Backport #3620: [e2e] Assert only the positive direction of step source maps - #3624

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VaguelySerious merged 1 commit into
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Backport #3620: [e2e] Assert only the positive direction of step source maps#3624
VaguelySerious merged 1 commit into
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backport/pr-3620-to-stable

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Automated backport of #3620 to stable (backport job run).

AI recommendation: Test-only change that removes negative source-map assertions which flake on lanes (nuxt, nextjs-webpack) where maps apply nondeterministically. The same assertions and hasStepSourceMaps() matrix exist on stable (verified in packages/core/e2e/e2e.test.ts), so the flake affects stable's e2e suite too, and a flaky-test fix keeps the maintenance line testable.

Merge conflicts were resolved by AI (opencode with anthropic/claude-opus-5). Please review the conflict resolution carefully before merging.

@github-actions
[e2e] Assert only the positive direction of step source maps (#3620)
991fa93
Where hasStepSourceMaps() reports maps unsupported, the tests asserted
their absence - but on some lanes (nuxt, nextjs-webpack) source maps
apply nondeterministically, so the negative assertion pinned that
nondeterminism as a flake (#2083 measured this as one of the three
flake classes blocking e2e concurrency re-enablement). A stack that
resolves to source where none was promised is an improvement, not a
failure; hasStepSourceMaps() remains the record to update when a lane
starts mapping reliably, verified by the positive assertions on the
lanes it does promise.
Signed-off-by: Alex Langenfeld <alex.langenfeld@vercel.com>
@github-actions
github-actionsBot requested review from a team and ijjk as code ownersAugust 18, 2026 20:50
@github-actionsgithub-actionsBot mentioned this pull request Aug 18, 2026
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🧪 E2E Test Results

❌ Some tests failed

Summary

PassedFailedSkippedTotal
✅ ▲ Vercel Production10770781155
✅ 💻 Local Development11740861260
✅ 📦 Local Production11740861260
✅ 🐘 Local Postgres11740861260
✅ 🪟 Windows10500105
❌ 🌍 Community Worlds831019193
✅ 📋 Other594036630
Total53811013815863

❌ Failed Tests

🌍 Community Worlds (101 failed)

redis (18 failed):

  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • pages router sleepingWorkflow via pages router
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN

turso (83 failed):

  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • deploymentId: 'latest' is a no-op in non-Vercel worlds
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01M0BADSEZ6NS6FAT3NF0PXGGY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01M0BACJ7EW8AXAXRQZ42ZC9GW
  • promiseRaceWorkflow | wrun_01M0BACQATKXHKNVSGYBNVAK58
  • promiseAnyWorkflow | wrun_01M0BACST9Q1Q5JY9GD8632ZBV
  • importedStepOnlyWorkflow | wrun_01M0BAE5ST95AQ141BYQVCQMDR
  • readableStreamWorkflow | wrun_01M0BACWBAC6CC3ZRCAPWYRYNR
  • hookWorkflow | wrun_01M0BAD98TK3M73YGRY0Y1EEBF
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • webhookWorkflow | wrun_01M0BADPCGDHJM3M3Y73M8SVZ8
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • parallelSleepWorkflow | wrun_01M0BAJ6N2D1Z4V76S5VW5XDCN
  • sleepWinsRaceWorkflow | wrun_01M0BAJA69Y5C8170S57FF1D3Z
  • stepWinsRaceWorkflow | wrun_01M0BAJDT9PFT3P44GBXRDC3G3
  • nullByteWorkflow | wrun_01M0BAJHC6Q150YVABHYYPK16M
  • workflowAndStepMetadataWorkflow | wrun_01M0BAJKW21YCBS1S6YKRJ5XP6
  • outputStreamWorkflow no startIndex (reads all chunks)
  • outputStreamWorkflow positive startIndex (skips first chunk)
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions | wrun_01M0BAMXDF091YHA68Y8DQZGDQ
  • writableForwardedFromWorkflowWorkflow | wrun_01M0BANA6JE89KG3451M8GWJ2A
  • writableForwardedFromStepWorkflow | wrun_01M0BANE722P1ACX0XHWMBY8WH
  • fetchWorkflow | wrun_01M0BANHM0XWD1Q3KT2D4EG9AX
  • promiseRaceStressTestWorkflow | wrun_01M0BANN60VXT86R6F8DXE83MZ
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01M0BAS8SEKBW36M328QEX2WZY
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • 'hookGetConflictWithPriorStepWorkflow' - hook.getConflict() does not block step execution | wrun_01M0BATAWEXFCR5TNWAH8WQXTE
  • 'hookGetConflictWithParallelStepWorkfl…' - hook.getConflict() does not block step execution | wrun_01M0BATDMT9B614Z1X6NEZC6EN
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01M0BAWYF6JYD0H85CFM7A7KTE
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01M0BAXEZDQQNP79N1YRJQQ963
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01M0BAXRV6FJGX45FW6NNFPMH3
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01M0BAXYWAFZ0SAS6K59XN3P1X
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01M0BAY19YCRW28Z8AAEWYK7D3
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01M0BAYHWNSA6QJX498Y8B4ZM9
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01M0BAYR708WDRJFJD39N4H47N
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01M0BAYZMN3TQDA7D0BDBEG9KN
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01M0BAZ6W37Q2H5WVSXMDN6XXT
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01M0BAZD321HHWDHDZEXRR8Q25
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01M0BAZMJCFRW8ZK2FE5MY0GRA
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01M0BAZVZB16Y01421JBVYC9C3
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01M0BB089QC5WG6H9CYZF4XHP9
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01M0BB0GXMGH737B7MQDYDPPSE
  • cancelRun - cancelling a running workflow | wrun_01M0BB0RBJ6EV85J2KM9PWMWEH
  • cancelRun via CLI - cancelling a running workflow | wrun_01M0BB0Y22QA2798ZANF6NPWRA
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01M0BB16J4NHX6K8CVS09SWCVB
  • hookWithSleepFinalStepWorkflow - step only on final payload | wrun_01M0BB1KD8S6YC7G8XD44KKTS8
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01M0BB1Y72ND2P5C4B4QQ9WJ7T
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01M0BB297HNZC5H2PHRX0H5E5N
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01M0BB2GS5G1KEN2P4E0FZ71PM
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01M0BB2K8DJ8TH1ZA5H3BGSTPS
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN

Details by Category

✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro9708
✅ example9708
✅ express9708
✅ fastify9708
✅ hono9708
✅ nextjs-turbopack10203
✅ nextjs-webpack10203
✅ nitro9708
✅ nuxt9708
✅ sveltekit9708
✅ vite9708
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
✅ sveltekit-stable9906
✅ vite-stable9906
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
✅ sveltekit-stable9906
✅ vite-stable9906
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
✅ sveltekit-stable9906
✅ vite-stable9906
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack10500
❌ 🌍 Community Worlds
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✅ mongodb-dev403
✅ redis-dev403
❌ redis68180
✅ turso-dev403
❌ turso3830
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✅ e2e-local-prod-tanstack-start-stable9906

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VaguelySerious merged commit 234b904 into stableAug 18, 2026
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VaguelySerious deleted the backport/pr-3620-to-stable branch August 18, 2026 21:29
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
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}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
Backport #3620: [e2e] Assert only the positive direction of step source maps - #3624
Merged
VaguelySerious merged 1 commit into
stablefrom 
backport/pr-3620-to-stable
Aug 18, 2026
Merged
Backport #3620: [e2e] Assert only the positive direction of step source maps#3624
VaguelySerious merged 1 commit into
stablefrom 
backport/pr-3620-to-stable
Conversation
@github-actions
@github-actionsgithub-actionsBot
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Aug 18, 2026

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Automated backport of #3620 to stable (backport job run).
AI recommendation: Test-only change that removes negative source-map assertions which flake on lanes (nuxt, nextjs-webpack) where maps apply nondeterministically. The same assertions and hasStepSourceMaps() matrix exist on stable (verified in packages/core/e2e/e2e.test.ts), so the flake affects stable's e2e suite too, and a flaky-test fix keeps the maintenance line testable.
Merge conflicts were resolved by AI (opencode with anthropic/claude-opus-5). Please review the conflict resolution carefully before merging.
@github-actions
[e2e] Assert only the positive direction of step source maps (#3620)
991fa93
Where hasStepSourceMaps() reports maps unsupported, the tests asserted
their absence - but on some lanes (nuxt, nextjs-webpack) source maps
apply nondeterministically, so the negative assertion pinned that
nondeterminism as a flake (#2083 measured this as one of the three
flake classes blocking e2e concurrency re-enablement). A stack that
resolves to source where none was promised is an improvement, not a
failure; hasStepSourceMaps() remains the record to update when a lane
starts mapping reliably, verified by the positive assertions on the
lanes it does promise.
Signed-off-by: Alex Langenfeld <alex.langenfeld@vercel.com>
@github-actions
github-actionsBot
requested review from
a team and ijjk
as code ownersAugust 18, 2026 20:50
@github-actionsgithub-actionsBot
mentioned this pull request
Aug 18, 2026
 Merged

1 task
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⚠️ No Changeset found
Latest commit: 991fa93
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
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The latest updates on your projects. Learn more about Vercel for GitHub.
ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreviewAug 18, 2026 8:53pm
example-nextjs-workflow-webpackReadyReadyPreviewAug 18, 2026 8:53pm
example-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-astro-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-express-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-fastify-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-hono-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-nestjs-workflowReadyReadyPreviewAug 18, 2026 8:53pm
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workbench-tanstack-start-workflowReadyReadyPreviewAug 18, 2026 8:53pm
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workflow-swc-playgroundBuildingBuildingPreviewAug 18, 2026 8:53pm
workflow-tarballsReadyReadyPreviewAug 18, 2026 8:53pm
workflow-webReadyReadyPreviewAug 18, 2026 8:53pm
1 Skipped Deployment
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@vercel
vercelBottemporarily deployed
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August 18, 2026 20:51
Inactive

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edited

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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production10770781155
✅ 💻 Local Development11740861260
✅ 📦 Local Production11740861260
✅ 🐘 Local Postgres11740861260
✅ 🪟 Windows10500105
❌ 🌍 Community Worlds831019193
✅ 📋 Other594036630
Total53811013815863
❌ Failed Tests
🌍 Community Worlds (101 failed)
redis (18 failed):
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • pages router sleepingWorkflow via pages router
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN
turso (83 failed):
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • deploymentId: 'latest' is a no-op in non-Vercel worlds
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01M0BADSEZ6NS6FAT3NF0PXGGY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01M0BACJ7EW8AXAXRQZ42ZC9GW
  • promiseRaceWorkflow | wrun_01M0BACQATKXHKNVSGYBNVAK58
  • promiseAnyWorkflow | wrun_01M0BACST9Q1Q5JY9GD8632ZBV
  • importedStepOnlyWorkflow | wrun_01M0BAE5ST95AQ141BYQVCQMDR
  • readableStreamWorkflow | wrun_01M0BACWBAC6CC3ZRCAPWYRYNR
  • hookWorkflow | wrun_01M0BAD98TK3M73YGRY0Y1EEBF
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • webhookWorkflow | wrun_01M0BADPCGDHJM3M3Y73M8SVZ8
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • parallelSleepWorkflow | wrun_01M0BAJ6N2D1Z4V76S5VW5XDCN
  • sleepWinsRaceWorkflow | wrun_01M0BAJA69Y5C8170S57FF1D3Z
  • stepWinsRaceWorkflow | wrun_01M0BAJDT9PFT3P44GBXRDC3G3
  • nullByteWorkflow | wrun_01M0BAJHC6Q150YVABHYYPK16M
  • workflowAndStepMetadataWorkflow | wrun_01M0BAJKW21YCBS1S6YKRJ5XP6
  • outputStreamWorkflow no startIndex (reads all chunks)
  • outputStreamWorkflow positive startIndex (skips first chunk)
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions | wrun_01M0BAMXDF091YHA68Y8DQZGDQ
  • writableForwardedFromWorkflowWorkflow | wrun_01M0BANA6JE89KG3451M8GWJ2A
  • writableForwardedFromStepWorkflow | wrun_01M0BANE722P1ACX0XHWMBY8WH
  • fetchWorkflow | wrun_01M0BANHM0XWD1Q3KT2D4EG9AX
  • promiseRaceStressTestWorkflow | wrun_01M0BANN60VXT86R6F8DXE83MZ
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01M0BAS8SEKBW36M328QEX2WZY
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • 'hookGetConflictWithPriorStepWorkflow' - hook.getConflict() does not block step execution | wrun_01M0BATAWEXFCR5TNWAH8WQXTE
  • 'hookGetConflictWithParallelStepWorkfl…' - hook.getConflict() does not block step execution | wrun_01M0BATDMT9B614Z1X6NEZC6EN
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01M0BAWYF6JYD0H85CFM7A7KTE
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01M0BAXEZDQQNP79N1YRJQQ963
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01M0BAXRV6FJGX45FW6NNFPMH3
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01M0BAXYWAFZ0SAS6K59XN3P1X
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01M0BAY19YCRW28Z8AAEWYK7D3
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01M0BAYHWNSA6QJX498Y8B4ZM9
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01M0BAYR708WDRJFJD39N4H47N
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01M0BAYZMN3TQDA7D0BDBEG9KN
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01M0BAZ6W37Q2H5WVSXMDN6XXT
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01M0BAZD321HHWDHDZEXRR8Q25
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01M0BAZMJCFRW8ZK2FE5MY0GRA
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01M0BAZVZB16Y01421JBVYC9C3
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01M0BB089QC5WG6H9CYZF4XHP9
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01M0BB0GXMGH737B7MQDYDPPSE
  • cancelRun - cancelling a running workflow | wrun_01M0BB0RBJ6EV85J2KM9PWMWEH
  • cancelRun via CLI - cancelling a running workflow | wrun_01M0BB0Y22QA2798ZANF6NPWRA
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01M0BB16J4NHX6K8CVS09SWCVB
  • hookWithSleepFinalStepWorkflow - step only on final payload | wrun_01M0BB1KD8S6YC7G8XD44KKTS8
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01M0BB1Y72ND2P5C4B4QQ9WJ7T
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01M0BB297HNZC5H2PHRX0H5E5N
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01M0BB2GS5G1KEN2P4E0FZ71PM
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01M0BB2K8DJ8TH1ZA5H3BGSTPS
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN
Details by Category
✅ ▲ Vercel Production
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✅ astro9708
✅ example9708
✅ express9708
✅ fastify9708
✅ hono9708
✅ nextjs-turbopack10203
✅ nextjs-webpack10203
✅ nitro9708
✅ nuxt9708
✅ sveltekit9708
✅ vite9708
✅ 💻 Local Development
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✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
✅ sveltekit-stable9906
✅ vite-stable9906
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
✅ sveltekit-stable9906
✅ vite-stable9906
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
✅ sveltekit-stable9906
✅ vite-stable9906
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack10500
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev403
✅ redis-dev403
❌ redis68180
✅ turso-dev403
❌ turso3830
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable9906
✅ e2e-local-dev-tanstack-start-stable9906
✅ e2e-local-postgres-nest-stable9906
✅ e2e-local-postgres-tanstack-start-stable9906
✅ e2e-local-prod-nest-stable9906
✅ e2e-local-prod-tanstack-start-stable9906
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@VaguelySerious
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merged commit 234b904
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Backport #3620: [e2e] Assert only the positive direction of step source maps - #3624
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Aug 18, 2026
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Backport #3620: [e2e] Assert only the positive direction of step source maps#3624
VaguelySerious merged 1 commit into
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Aug 18, 2026

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Automated backport of #3620 to stable (backport job run).
AI recommendation: Test-only change that removes negative source-map assertions which flake on lanes (nuxt, nextjs-webpack) where maps apply nondeterministically. The same assertions and hasStepSourceMaps() matrix exist on stable (verified in packages/core/e2e/e2e.test.ts), so the flake affects stable's e2e suite too, and a flaky-test fix keeps the maintenance line testable.
Merge conflicts were resolved by AI (opencode with anthropic/claude-opus-5). Please review the conflict resolution carefully before merging.
@github-actions
[e2e] Assert only the positive direction of step source maps (#3620)
991fa93
Where hasStepSourceMaps() reports maps unsupported, the tests asserted
their absence - but on some lanes (nuxt, nextjs-webpack) source maps
apply nondeterministically, so the negative assertion pinned that
nondeterminism as a flake (#2083 measured this as one of the three
flake classes blocking e2e concurrency re-enablement). A stack that
resolves to source where none was promised is an improvement, not a
failure; hasStepSourceMaps() remains the record to update when a lane
starts mapping reliably, verified by the positive assertions on the
lanes it does promise.
Signed-off-by: Alex Langenfeld <alex.langenfeld@vercel.com>
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⚠️ No Changeset found
Latest commit: 991fa93
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production10770781155
✅ 💻 Local Development11740861260
✅ 📦 Local Production11740861260
✅ 🐘 Local Postgres11740861260
✅ 🪟 Windows10500105
❌ 🌍 Community Worlds831019193
✅ 📋 Other594036630
Total53811013815863
❌ Failed Tests
🌍 Community Worlds (101 failed)
redis (18 failed):
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • pages router sleepingWorkflow via pages router
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN
turso (83 failed):
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • deploymentId: 'latest' is a no-op in non-Vercel worlds
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01M0BADSEZ6NS6FAT3NF0PXGGY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01M0BACJ7EW8AXAXRQZ42ZC9GW
  • promiseRaceWorkflow | wrun_01M0BACQATKXHKNVSGYBNVAK58
  • promiseAnyWorkflow | wrun_01M0BACST9Q1Q5JY9GD8632ZBV
  • importedStepOnlyWorkflow | wrun_01M0BAE5ST95AQ141BYQVCQMDR
  • readableStreamWorkflow | wrun_01M0BACWBAC6CC3ZRCAPWYRYNR
  • hookWorkflow | wrun_01M0BAD98TK3M73YGRY0Y1EEBF
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • webhookWorkflow | wrun_01M0BADPCGDHJM3M3Y73M8SVZ8
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • parallelSleepWorkflow | wrun_01M0BAJ6N2D1Z4V76S5VW5XDCN
  • sleepWinsRaceWorkflow | wrun_01M0BAJA69Y5C8170S57FF1D3Z
  • stepWinsRaceWorkflow | wrun_01M0BAJDT9PFT3P44GBXRDC3G3
  • nullByteWorkflow | wrun_01M0BAJHC6Q150YVABHYYPK16M
  • workflowAndStepMetadataWorkflow | wrun_01M0BAJKW21YCBS1S6YKRJ5XP6
  • outputStreamWorkflow no startIndex (reads all chunks)
  • outputStreamWorkflow positive startIndex (skips first chunk)
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions | wrun_01M0BAMXDF091YHA68Y8DQZGDQ
  • writableForwardedFromWorkflowWorkflow | wrun_01M0BANA6JE89KG3451M8GWJ2A
  • writableForwardedFromStepWorkflow | wrun_01M0BANE722P1ACX0XHWMBY8WH
  • fetchWorkflow | wrun_01M0BANHM0XWD1Q3KT2D4EG9AX
  • promiseRaceStressTestWorkflow | wrun_01M0BANN60VXT86R6F8DXE83MZ
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01M0BAS8SEKBW36M328QEX2WZY
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • 'hookGetConflictWithPriorStepWorkflow' - hook.getConflict() does not block step execution | wrun_01M0BATAWEXFCR5TNWAH8WQXTE
  • 'hookGetConflictWithParallelStepWorkfl…' - hook.getConflict() does not block step execution | wrun_01M0BATDMT9B614Z1X6NEZC6EN
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01M0BAWYF6JYD0H85CFM7A7KTE
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01M0BAXEZDQQNP79N1YRJQQ963
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01M0BAXRV6FJGX45FW6NNFPMH3
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01M0BAXYWAFZ0SAS6K59XN3P1X
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01M0BAY19YCRW28Z8AAEWYK7D3
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01M0BAYHWNSA6QJX498Y8B4ZM9
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01M0BAYR708WDRJFJD39N4H47N
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01M0BAYZMN3TQDA7D0BDBEG9KN
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01M0BAZ6W37Q2H5WVSXMDN6XXT
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01M0BAZD321HHWDHDZEXRR8Q25
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01M0BAZMJCFRW8ZK2FE5MY0GRA
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01M0BAZVZB16Y01421JBVYC9C3
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01M0BB089QC5WG6H9CYZF4XHP9
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01M0BB0GXMGH737B7MQDYDPPSE
  • cancelRun - cancelling a running workflow | wrun_01M0BB0RBJ6EV85J2KM9PWMWEH
  • cancelRun via CLI - cancelling a running workflow | wrun_01M0BB0Y22QA2798ZANF6NPWRA
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01M0BB16J4NHX6K8CVS09SWCVB
  • hookWithSleepFinalStepWorkflow - step only on final payload | wrun_01M0BB1KD8S6YC7G8XD44KKTS8
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01M0BB1Y72ND2P5C4B4QQ9WJ7T
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01M0BB297HNZC5H2PHRX0H5E5N
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01M0BB2GS5G1KEN2P4E0FZ71PM
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01M0BB2K8DJ8TH1ZA5H3BGSTPS
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN
Details by Category
✅ ▲ Vercel Production
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✅ astro9708
✅ example9708
✅ express9708
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✅ nextjs-turbopack10203
✅ nextjs-webpack10203
✅ nitro9708
✅ nuxt9708
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✅ 💻 Local Development
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✅ astro-stable9906
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✅ 📦 Local Production
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✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
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✅ 🐘 Local Postgres
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✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
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✅ sveltekit-stable9906
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✅ 🪟 Windows
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✅ mongodb-dev403
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❌ redis68180
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❌ turso3830
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✅ e2e-local-dev-nest-stable9906
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✅ e2e-local-postgres-tanstack-start-stable9906
✅ e2e-local-prod-nest-stable9906
✅ e2e-local-prod-tanstack-start-stable9906
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@VaguelySerious
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merged commit 234b904
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Backport #3620: [e2e] Assert only the positive direction of step source maps - #3624
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Aug 18, 2026
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Backport #3620: [e2e] Assert only the positive direction of step source maps#3624
VaguelySerious merged 1 commit into
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Automated backport of #3620 to stable (backport job run).
AI recommendation: Test-only change that removes negative source-map assertions which flake on lanes (nuxt, nextjs-webpack) where maps apply nondeterministically. The same assertions and hasStepSourceMaps() matrix exist on stable (verified in packages/core/e2e/e2e.test.ts), so the flake affects stable's e2e suite too, and a flaky-test fix keeps the maintenance line testable.
Merge conflicts were resolved by AI (opencode with anthropic/claude-opus-5). Please review the conflict resolution carefully before merging.
@github-actions
[e2e] Assert only the positive direction of step source maps (#3620)
991fa93
Where hasStepSourceMaps() reports maps unsupported, the tests asserted
their absence - but on some lanes (nuxt, nextjs-webpack) source maps
apply nondeterministically, so the negative assertion pinned that
nondeterminism as a flake (#2083 measured this as one of the three
flake classes blocking e2e concurrency re-enablement). A stack that
resolves to source where none was promised is an improvement, not a
failure; hasStepSourceMaps() remains the record to update when a lane
starts mapping reliably, verified by the positive assertions on the
lanes it does promise.
Signed-off-by: Alex Langenfeld <alex.langenfeld@vercel.com>
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⚠️ No Changeset found
Latest commit: 991fa93
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production10770781155
✅ 💻 Local Development11740861260
✅ 📦 Local Production11740861260
✅ 🐘 Local Postgres11740861260
✅ 🪟 Windows10500105
❌ 🌍 Community Worlds831019193
✅ 📋 Other594036630
Total53811013815863
❌ Failed Tests
🌍 Community Worlds (101 failed)
redis (18 failed):
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • pages router sleepingWorkflow via pages router
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN
turso (83 failed):
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • deploymentId: 'latest' is a no-op in non-Vercel worlds
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01M0BADSEZ6NS6FAT3NF0PXGGY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01M0BACJ7EW8AXAXRQZ42ZC9GW
  • promiseRaceWorkflow | wrun_01M0BACQATKXHKNVSGYBNVAK58
  • promiseAnyWorkflow | wrun_01M0BACST9Q1Q5JY9GD8632ZBV
  • importedStepOnlyWorkflow | wrun_01M0BAE5ST95AQ141BYQVCQMDR
  • readableStreamWorkflow | wrun_01M0BACWBAC6CC3ZRCAPWYRYNR
  • hookWorkflow | wrun_01M0BAD98TK3M73YGRY0Y1EEBF
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • webhookWorkflow | wrun_01M0BADPCGDHJM3M3Y73M8SVZ8
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • parallelSleepWorkflow | wrun_01M0BAJ6N2D1Z4V76S5VW5XDCN
  • sleepWinsRaceWorkflow | wrun_01M0BAJA69Y5C8170S57FF1D3Z
  • stepWinsRaceWorkflow | wrun_01M0BAJDT9PFT3P44GBXRDC3G3
  • nullByteWorkflow | wrun_01M0BAJHC6Q150YVABHYYPK16M
  • workflowAndStepMetadataWorkflow | wrun_01M0BAJKW21YCBS1S6YKRJ5XP6
  • outputStreamWorkflow no startIndex (reads all chunks)
  • outputStreamWorkflow positive startIndex (skips first chunk)
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions | wrun_01M0BAMXDF091YHA68Y8DQZGDQ
  • writableForwardedFromWorkflowWorkflow | wrun_01M0BANA6JE89KG3451M8GWJ2A
  • writableForwardedFromStepWorkflow | wrun_01M0BANE722P1ACX0XHWMBY8WH
  • fetchWorkflow | wrun_01M0BANHM0XWD1Q3KT2D4EG9AX
  • promiseRaceStressTestWorkflow | wrun_01M0BANN60VXT86R6F8DXE83MZ
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01M0BAS8SEKBW36M328QEX2WZY
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • 'hookGetConflictWithPriorStepWorkflow' - hook.getConflict() does not block step execution | wrun_01M0BATAWEXFCR5TNWAH8WQXTE
  • 'hookGetConflictWithParallelStepWorkfl…' - hook.getConflict() does not block step execution | wrun_01M0BATDMT9B614Z1X6NEZC6EN
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01M0BAWYF6JYD0H85CFM7A7KTE
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01M0BAXEZDQQNP79N1YRJQQ963
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01M0BAXRV6FJGX45FW6NNFPMH3
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01M0BAXYWAFZ0SAS6K59XN3P1X
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01M0BAY19YCRW28Z8AAEWYK7D3
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01M0BAYHWNSA6QJX498Y8B4ZM9
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01M0BAYR708WDRJFJD39N4H47N
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01M0BAYZMN3TQDA7D0BDBEG9KN
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01M0BAZ6W37Q2H5WVSXMDN6XXT
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01M0BAZD321HHWDHDZEXRR8Q25
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01M0BAZMJCFRW8ZK2FE5MY0GRA
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01M0BAZVZB16Y01421JBVYC9C3
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01M0BB089QC5WG6H9CYZF4XHP9
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01M0BB0GXMGH737B7MQDYDPPSE
  • cancelRun - cancelling a running workflow | wrun_01M0BB0RBJ6EV85J2KM9PWMWEH
  • cancelRun via CLI - cancelling a running workflow | wrun_01M0BB0Y22QA2798ZANF6NPWRA
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01M0BB16J4NHX6K8CVS09SWCVB
  • hookWithSleepFinalStepWorkflow - step only on final payload | wrun_01M0BB1KD8S6YC7G8XD44KKTS8
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01M0BB1Y72ND2P5C4B4QQ9WJ7T
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01M0BB297HNZC5H2PHRX0H5E5N
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01M0BB2GS5G1KEN2P4E0FZ71PM
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01M0BB2K8DJ8TH1ZA5H3BGSTPS
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN
Details by Category
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✅ nitro9708
✅ nuxt9708
✅ sveltekit9708
✅ vite9708
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
✅ sveltekit-stable9906
✅ vite-stable9906
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
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✅ vite-stable9906
✅ 🐘 Local Postgres
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✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
✅ sveltekit-stable9906
✅ vite-stable9906
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack10500
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✅ mongodb-dev403
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❌ redis68180
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❌ turso3830
✅ 📋 Other
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✅ e2e-local-dev-nest-stable9906
✅ e2e-local-dev-tanstack-start-stable9906
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✅ e2e-local-postgres-tanstack-start-stable9906
✅ e2e-local-prod-nest-stable9906
✅ e2e-local-prod-tanstack-start-stable9906
📋 View full workflow run
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merged commit 234b904
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stableAug 18, 2026

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VaguelySerious
deleted the

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branch
August 18, 2026 21:29
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
Backport #3620: [e2e] Assert only the positive direction of step source maps - #3624
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VaguelySerious merged 1 commit into
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backport/pr-3620-to-stable
Aug 18, 2026
Merged
Backport #3620: [e2e] Assert only the positive direction of step source maps#3624
VaguelySerious merged 1 commit into
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backport/pr-3620-to-stable
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Automated backport of #3620 to stable (backport job run).
AI recommendation: Test-only change that removes negative source-map assertions which flake on lanes (nuxt, nextjs-webpack) where maps apply nondeterministically. The same assertions and hasStepSourceMaps() matrix exist on stable (verified in packages/core/e2e/e2e.test.ts), so the flake affects stable's e2e suite too, and a flaky-test fix keeps the maintenance line testable.
Merge conflicts were resolved by AI (opencode with anthropic/claude-opus-5). Please review the conflict resolution carefully before merging.
@github-actions
[e2e] Assert only the positive direction of step source maps (#3620)
991fa93
Where hasStepSourceMaps() reports maps unsupported, the tests asserted
their absence - but on some lanes (nuxt, nextjs-webpack) source maps
apply nondeterministically, so the negative assertion pinned that
nondeterminism as a flake (#2083 measured this as one of the three
flake classes blocking e2e concurrency re-enablement). A stack that
resolves to source where none was promised is an improvement, not a
failure; hasStepSourceMaps() remains the record to update when a lane
starts mapping reliably, verified by the positive assertions on the
lanes it does promise.
Signed-off-by: Alex Langenfeld <alex.langenfeld@vercel.com>
@github-actions
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requested review from
a team and ijjk
as code ownersAugust 18, 2026 20:50
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mentioned this pull request
Aug 18, 2026
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⚠️ No Changeset found
Latest commit: 991fa93
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
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The latest updates on your projects. Learn more about Vercel for GitHub.
ProjectDeploymentActionsUpdated (UTC)
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production10770781155
✅ 💻 Local Development11740861260
✅ 📦 Local Production11740861260
✅ 🐘 Local Postgres11740861260
✅ 🪟 Windows10500105
❌ 🌍 Community Worlds831019193
✅ 📋 Other594036630
Total53811013815863
❌ Failed Tests
🌍 Community Worlds (101 failed)
redis (18 failed):
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • pages router sleepingWorkflow via pages router
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN
turso (83 failed):
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • deploymentId: 'latest' is a no-op in non-Vercel worlds
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01M0BADSEZ6NS6FAT3NF0PXGGY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01M0BACJ7EW8AXAXRQZ42ZC9GW
  • promiseRaceWorkflow | wrun_01M0BACQATKXHKNVSGYBNVAK58
  • promiseAnyWorkflow | wrun_01M0BACST9Q1Q5JY9GD8632ZBV
  • importedStepOnlyWorkflow | wrun_01M0BAE5ST95AQ141BYQVCQMDR
  • readableStreamWorkflow | wrun_01M0BACWBAC6CC3ZRCAPWYRYNR
  • hookWorkflow | wrun_01M0BAD98TK3M73YGRY0Y1EEBF
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • webhookWorkflow | wrun_01M0BADPCGDHJM3M3Y73M8SVZ8
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • parallelSleepWorkflow | wrun_01M0BAJ6N2D1Z4V76S5VW5XDCN
  • sleepWinsRaceWorkflow | wrun_01M0BAJA69Y5C8170S57FF1D3Z
  • stepWinsRaceWorkflow | wrun_01M0BAJDT9PFT3P44GBXRDC3G3
  • nullByteWorkflow | wrun_01M0BAJHC6Q150YVABHYYPK16M
  • workflowAndStepMetadataWorkflow | wrun_01M0BAJKW21YCBS1S6YKRJ5XP6
  • outputStreamWorkflow no startIndex (reads all chunks)
  • outputStreamWorkflow positive startIndex (skips first chunk)
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions | wrun_01M0BAMXDF091YHA68Y8DQZGDQ
  • writableForwardedFromWorkflowWorkflow | wrun_01M0BANA6JE89KG3451M8GWJ2A
  • writableForwardedFromStepWorkflow | wrun_01M0BANE722P1ACX0XHWMBY8WH
  • fetchWorkflow | wrun_01M0BANHM0XWD1Q3KT2D4EG9AX
  • promiseRaceStressTestWorkflow | wrun_01M0BANN60VXT86R6F8DXE83MZ
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01M0BAS8SEKBW36M328QEX2WZY
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • 'hookGetConflictWithPriorStepWorkflow' - hook.getConflict() does not block step execution | wrun_01M0BATAWEXFCR5TNWAH8WQXTE
  • 'hookGetConflictWithParallelStepWorkfl…' - hook.getConflict() does not block step execution | wrun_01M0BATDMT9B614Z1X6NEZC6EN
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01M0BAWYF6JYD0H85CFM7A7KTE
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01M0BAXEZDQQNP79N1YRJQQ963
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01M0BAXRV6FJGX45FW6NNFPMH3
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01M0BAXYWAFZ0SAS6K59XN3P1X
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01M0BAY19YCRW28Z8AAEWYK7D3
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01M0BAYHWNSA6QJX498Y8B4ZM9
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01M0BAYR708WDRJFJD39N4H47N
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01M0BAYZMN3TQDA7D0BDBEG9KN
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01M0BAZ6W37Q2H5WVSXMDN6XXT
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01M0BAZD321HHWDHDZEXRR8Q25
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01M0BAZMJCFRW8ZK2FE5MY0GRA
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01M0BAZVZB16Y01421JBVYC9C3
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01M0BB089QC5WG6H9CYZF4XHP9
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01M0BB0GXMGH737B7MQDYDPPSE
  • cancelRun - cancelling a running workflow | wrun_01M0BB0RBJ6EV85J2KM9PWMWEH
  • cancelRun via CLI - cancelling a running workflow | wrun_01M0BB0Y22QA2798ZANF6NPWRA
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01M0BB16J4NHX6K8CVS09SWCVB
  • hookWithSleepFinalStepWorkflow - step only on final payload | wrun_01M0BB1KD8S6YC7G8XD44KKTS8
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01M0BB1Y72ND2P5C4B4QQ9WJ7T
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01M0BB297HNZC5H2PHRX0H5E5N
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01M0BB2GS5G1KEN2P4E0FZ71PM
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01M0BB2K8DJ8TH1ZA5H3BGSTPS
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro9708
✅ example9708
✅ express9708
✅ fastify9708
✅ hono9708
✅ nextjs-turbopack10203
✅ nextjs-webpack10203
✅ nitro9708
✅ nuxt9708
✅ sveltekit9708
✅ vite9708
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
✅ sveltekit-stable9906
✅ vite-stable9906
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
✅ sveltekit-stable9906
✅ vite-stable9906
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
✅ sveltekit-stable9906
✅ vite-stable9906
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack10500
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev403
✅ redis-dev403
❌ redis68180
✅ turso-dev403
❌ turso3830
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable9906
✅ e2e-local-dev-tanstack-start-stable9906
✅ e2e-local-postgres-nest-stable9906
✅ e2e-local-postgres-tanstack-start-stable9906
✅ e2e-local-prod-nest-stable9906
✅ e2e-local-prod-tanstack-start-stable9906
📋 View full workflow run
@VaguelySerious
VaguelySerious
merged commit 234b904
into
stableAug 18, 2026

96 of 100 checks passed

@VaguelySerious
VaguelySerious
deleted the

backport/pr-3620-to-stable

branch
August 18, 2026 21:29
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Successfully merging this pull request may close these issues.

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@VaguelySerious

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Backport #3620: [e2e] Assert only the positive direction of step source maps - #3624
Merged
VaguelySerious merged 1 commit into
stablefrom 
backport/pr-3620-to-stable
Aug 18, 2026
Merged
Backport #3620: [e2e] Assert only the positive direction of step source maps#3624
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Automated backport of #3620 to stable (backport job run).
AI recommendation: Test-only change that removes negative source-map assertions which flake on lanes (nuxt, nextjs-webpack) where maps apply nondeterministically. The same assertions and hasStepSourceMaps() matrix exist on stable (verified in packages/core/e2e/e2e.test.ts), so the flake affects stable's e2e suite too, and a flaky-test fix keeps the maintenance line testable.
Merge conflicts were resolved by AI (opencode with anthropic/claude-opus-5). Please review the conflict resolution carefully before merging.
@github-actions
[e2e] Assert only the positive direction of step source maps (#3620)
991fa93
Where hasStepSourceMaps() reports maps unsupported, the tests asserted
their absence - but on some lanes (nuxt, nextjs-webpack) source maps
apply nondeterministically, so the negative assertion pinned that
nondeterminism as a flake (#2083 measured this as one of the three
flake classes blocking e2e concurrency re-enablement). A stack that
resolves to source where none was promised is an improvement, not a
failure; hasStepSourceMaps() remains the record to update when a lane
starts mapping reliably, verified by the positive assertions on the
lanes it does promise.
Signed-off-by: Alex Langenfeld <alex.langenfeld@vercel.com>
@github-actions
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requested review from
a team and ijjk
as code ownersAugust 18, 2026 20:50
@github-actionsgithub-actionsBot
mentioned this pull request
Aug 18, 2026
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Latest commit: 991fa93
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production10770781155
✅ 💻 Local Development11740861260
✅ 📦 Local Production11740861260
✅ 🐘 Local Postgres11740861260
✅ 🪟 Windows10500105
❌ 🌍 Community Worlds831019193
✅ 📋 Other594036630
Total53811013815863
❌ Failed Tests
🌍 Community Worlds (101 failed)
redis (18 failed):
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • pages router sleepingWorkflow via pages router
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN
turso (83 failed):
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • deploymentId: 'latest' is a no-op in non-Vercel worlds
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01M0BADSEZ6NS6FAT3NF0PXGGY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01M0BACJ7EW8AXAXRQZ42ZC9GW
  • promiseRaceWorkflow | wrun_01M0BACQATKXHKNVSGYBNVAK58
  • promiseAnyWorkflow | wrun_01M0BACST9Q1Q5JY9GD8632ZBV
  • importedStepOnlyWorkflow | wrun_01M0BAE5ST95AQ141BYQVCQMDR
  • readableStreamWorkflow | wrun_01M0BACWBAC6CC3ZRCAPWYRYNR
  • hookWorkflow | wrun_01M0BAD98TK3M73YGRY0Y1EEBF
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • webhookWorkflow | wrun_01M0BADPCGDHJM3M3Y73M8SVZ8
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • parallelSleepWorkflow | wrun_01M0BAJ6N2D1Z4V76S5VW5XDCN
  • sleepWinsRaceWorkflow | wrun_01M0BAJA69Y5C8170S57FF1D3Z
  • stepWinsRaceWorkflow | wrun_01M0BAJDT9PFT3P44GBXRDC3G3
  • nullByteWorkflow | wrun_01M0BAJHC6Q150YVABHYYPK16M
  • workflowAndStepMetadataWorkflow | wrun_01M0BAJKW21YCBS1S6YKRJ5XP6
  • outputStreamWorkflow no startIndex (reads all chunks)
  • outputStreamWorkflow positive startIndex (skips first chunk)
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions | wrun_01M0BAMXDF091YHA68Y8DQZGDQ
  • writableForwardedFromWorkflowWorkflow | wrun_01M0BANA6JE89KG3451M8GWJ2A
  • writableForwardedFromStepWorkflow | wrun_01M0BANE722P1ACX0XHWMBY8WH
  • fetchWorkflow | wrun_01M0BANHM0XWD1Q3KT2D4EG9AX
  • promiseRaceStressTestWorkflow | wrun_01M0BANN60VXT86R6F8DXE83MZ
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01M0BAS8SEKBW36M328QEX2WZY
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • 'hookGetConflictWithPriorStepWorkflow' - hook.getConflict() does not block step execution | wrun_01M0BATAWEXFCR5TNWAH8WQXTE
  • 'hookGetConflictWithParallelStepWorkfl…' - hook.getConflict() does not block step execution | wrun_01M0BATDMT9B614Z1X6NEZC6EN
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01M0BAWYF6JYD0H85CFM7A7KTE
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01M0BAXEZDQQNP79N1YRJQQ963
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01M0BAXRV6FJGX45FW6NNFPMH3
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01M0BAXYWAFZ0SAS6K59XN3P1X
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01M0BAY19YCRW28Z8AAEWYK7D3
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01M0BAYHWNSA6QJX498Y8B4ZM9
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01M0BAYR708WDRJFJD39N4H47N
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01M0BAYZMN3TQDA7D0BDBEG9KN
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01M0BAZ6W37Q2H5WVSXMDN6XXT
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01M0BAZD321HHWDHDZEXRR8Q25
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01M0BAZMJCFRW8ZK2FE5MY0GRA
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01M0BAZVZB16Y01421JBVYC9C3
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01M0BB089QC5WG6H9CYZF4XHP9
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01M0BB0GXMGH737B7MQDYDPPSE
  • cancelRun - cancelling a running workflow | wrun_01M0BB0RBJ6EV85J2KM9PWMWEH
  • cancelRun via CLI - cancelling a running workflow | wrun_01M0BB0Y22QA2798ZANF6NPWRA
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01M0BB16J4NHX6K8CVS09SWCVB
  • hookWithSleepFinalStepWorkflow - step only on final payload | wrun_01M0BB1KD8S6YC7G8XD44KKTS8
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01M0BB1Y72ND2P5C4B4QQ9WJ7T
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01M0BB297HNZC5H2PHRX0H5E5N
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01M0BB2GS5G1KEN2P4E0FZ71PM
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01M0BB2K8DJ8TH1ZA5H3BGSTPS
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN
Details by Category
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✅ astro9708
✅ example9708
✅ express9708
✅ fastify9708
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✅ nextjs-turbopack10203
✅ nextjs-webpack10203
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✅ sveltekit9708
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injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Backport #3620: [e2e] Assert only the positive direction of step source maps - #3624
Merged
VaguelySerious merged 1 commit into
stablefrom 
backport/pr-3620-to-stable
Aug 18, 2026
Merged
Backport #3620: [e2e] Assert only the positive direction of step source maps#3624
VaguelySerious merged 1 commit into
stablefrom 
backport/pr-3620-to-stable
Conversation
@github-actions
@github-actionsgithub-actionsBot
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Aug 18, 2026

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Automated backport of #3620 to stable (backport job run).
AI recommendation: Test-only change that removes negative source-map assertions which flake on lanes (nuxt, nextjs-webpack) where maps apply nondeterministically. The same assertions and hasStepSourceMaps() matrix exist on stable (verified in packages/core/e2e/e2e.test.ts), so the flake affects stable's e2e suite too, and a flaky-test fix keeps the maintenance line testable.
Merge conflicts were resolved by AI (opencode with anthropic/claude-opus-5). Please review the conflict resolution carefully before merging.
@github-actions
[e2e] Assert only the positive direction of step source maps (#3620)
991fa93
Where hasStepSourceMaps() reports maps unsupported, the tests asserted
their absence - but on some lanes (nuxt, nextjs-webpack) source maps
apply nondeterministically, so the negative assertion pinned that
nondeterminism as a flake (#2083 measured this as one of the three
flake classes blocking e2e concurrency re-enablement). A stack that
resolves to source where none was promised is an improvement, not a
failure; hasStepSourceMaps() remains the record to update when a lane
starts mapping reliably, verified by the positive assertions on the
lanes it does promise.
Signed-off-by: Alex Langenfeld <alex.langenfeld@vercel.com>
@github-actions
github-actionsBot
requested review from
a team and ijjk
as code ownersAugust 18, 2026 20:50
@github-actionsgithub-actionsBot
mentioned this pull request
Aug 18, 2026
 Merged

1 task
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⚠️ No Changeset found
Latest commit: 991fa93
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
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The latest updates on your projects. Learn more about Vercel for GitHub.
ProjectDeploymentActionsUpdated (UTC)
example-nextjs-workflow-turbopackReadyReadyPreviewAug 18, 2026 8:53pm
example-nextjs-workflow-webpackReadyReadyPreviewAug 18, 2026 8:53pm
example-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-astro-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-express-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-fastify-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-hono-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-nestjs-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-nitro-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-nuxt-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-python-workflowErrorErrorAug 18, 2026 8:53pm
workbench-sveltekit-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-tanstack-start-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workbench-vite-workflowReadyReadyPreviewAug 18, 2026 8:53pm
workflow-swc-playgroundBuildingBuildingPreviewAug 18, 2026 8:53pm
workflow-tarballsReadyReadyPreviewAug 18, 2026 8:53pm
workflow-webReadyReadyPreviewAug 18, 2026 8:53pm
1 Skipped Deployment
ProjectDeploymentActionsUpdated (UTC)
workflow-docsSkippedSkippedAug 18, 2026 8:53pm
@vercel
vercelBottemporarily deployed
to
Preview – workflow-docs
August 18, 2026 20:51
Inactive

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edited

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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production10770781155
✅ 💻 Local Development11740861260
✅ 📦 Local Production11740861260
✅ 🐘 Local Postgres11740861260
✅ 🪟 Windows10500105
❌ 🌍 Community Worlds831019193
✅ 📋 Other594036630
Total53811013815863
❌ Failed Tests
🌍 Community Worlds (101 failed)
redis (18 failed):
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • pages router sleepingWorkflow via pages router
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN
turso (83 failed):
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • deploymentId: 'latest' is a no-op in non-Vercel worlds
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01M0BADSEZ6NS6FAT3NF0PXGGY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01M0BACJ7EW8AXAXRQZ42ZC9GW
  • promiseRaceWorkflow | wrun_01M0BACQATKXHKNVSGYBNVAK58
  • promiseAnyWorkflow | wrun_01M0BACST9Q1Q5JY9GD8632ZBV
  • importedStepOnlyWorkflow | wrun_01M0BAE5ST95AQ141BYQVCQMDR
  • readableStreamWorkflow | wrun_01M0BACWBAC6CC3ZRCAPWYRYNR
  • hookWorkflow | wrun_01M0BAD98TK3M73YGRY0Y1EEBF
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • webhookWorkflow | wrun_01M0BADPCGDHJM3M3Y73M8SVZ8
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • parallelSleepWorkflow | wrun_01M0BAJ6N2D1Z4V76S5VW5XDCN
  • sleepWinsRaceWorkflow | wrun_01M0BAJA69Y5C8170S57FF1D3Z
  • stepWinsRaceWorkflow | wrun_01M0BAJDT9PFT3P44GBXRDC3G3
  • nullByteWorkflow | wrun_01M0BAJHC6Q150YVABHYYPK16M
  • workflowAndStepMetadataWorkflow | wrun_01M0BAJKW21YCBS1S6YKRJ5XP6
  • outputStreamWorkflow no startIndex (reads all chunks)
  • outputStreamWorkflow positive startIndex (skips first chunk)
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions | wrun_01M0BAMXDF091YHA68Y8DQZGDQ
  • writableForwardedFromWorkflowWorkflow | wrun_01M0BANA6JE89KG3451M8GWJ2A
  • writableForwardedFromStepWorkflow | wrun_01M0BANE722P1ACX0XHWMBY8WH
  • fetchWorkflow | wrun_01M0BANHM0XWD1Q3KT2D4EG9AX
  • promiseRaceStressTestWorkflow | wrun_01M0BANN60VXT86R6F8DXE83MZ
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01M0BAS8SEKBW36M328QEX2WZY
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • 'hookGetConflictWithPriorStepWorkflow' - hook.getConflict() does not block step execution | wrun_01M0BATAWEXFCR5TNWAH8WQXTE
  • 'hookGetConflictWithParallelStepWorkfl…' - hook.getConflict() does not block step execution | wrun_01M0BATDMT9B614Z1X6NEZC6EN
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01M0BAWYF6JYD0H85CFM7A7KTE
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01M0BAXEZDQQNP79N1YRJQQ963
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01M0BAXRV6FJGX45FW6NNFPMH3
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01M0BAXYWAFZ0SAS6K59XN3P1X
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01M0BAY19YCRW28Z8AAEWYK7D3
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01M0BAYHWNSA6QJX498Y8B4ZM9
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01M0BAYR708WDRJFJD39N4H47N
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01M0BAYZMN3TQDA7D0BDBEG9KN
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01M0BAZ6W37Q2H5WVSXMDN6XXT
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01M0BAZD321HHWDHDZEXRR8Q25
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01M0BAZMJCFRW8ZK2FE5MY0GRA
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01M0BAZVZB16Y01421JBVYC9C3
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01M0BB089QC5WG6H9CYZF4XHP9
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01M0BB0GXMGH737B7MQDYDPPSE
  • cancelRun - cancelling a running workflow | wrun_01M0BB0RBJ6EV85J2KM9PWMWEH
  • cancelRun via CLI - cancelling a running workflow | wrun_01M0BB0Y22QA2798ZANF6NPWRA
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01M0BB16J4NHX6K8CVS09SWCVB
  • hookWithSleepFinalStepWorkflow - step only on final payload | wrun_01M0BB1KD8S6YC7G8XD44KKTS8
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01M0BB1Y72ND2P5C4B4QQ9WJ7T
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01M0BB297HNZC5H2PHRX0H5E5N
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01M0BB2GS5G1KEN2P4E0FZ71PM
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01M0BB2K8DJ8TH1ZA5H3BGSTPS
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN
Details by Category
✅ ▲ Vercel Production
AppPassedFailedSkipped
✅ astro9708
✅ example9708
✅ express9708
✅ fastify9708
✅ hono9708
✅ nextjs-turbopack10203
✅ nextjs-webpack10203
✅ nitro9708
✅ nuxt9708
✅ sveltekit9708
✅ vite9708
✅ 💻 Local Development
AppPassedFailedSkipped
✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
✅ sveltekit-stable9906
✅ vite-stable9906
✅ 📦 Local Production
AppPassedFailedSkipped
✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
✅ sveltekit-stable9906
✅ vite-stable9906
✅ 🐘 Local Postgres
AppPassedFailedSkipped
✅ astro-stable9906
✅ express-stable9906
✅ fastify-stable9906
✅ hono-stable9906
✅ nextjs-turbopack-canary86019
✅ nextjs-turbopack-stable10500
✅ nextjs-webpack-canary86019
✅ nextjs-webpack-stable10500
✅ nitro-stable9906
✅ nuxt-stable9906
✅ sveltekit-stable9906
✅ vite-stable9906
✅ 🪟 Windows
AppPassedFailedSkipped
✅ nextjs-turbopack10500
❌ 🌍 Community Worlds
AppPassedFailedSkipped
✅ mongodb-dev403
✅ redis-dev403
❌ redis68180
✅ turso-dev403
❌ turso3830
✅ 📋 Other
AppPassedFailedSkipped
✅ e2e-local-dev-nest-stable9906
✅ e2e-local-dev-tanstack-start-stable9906
✅ e2e-local-postgres-nest-stable9906
✅ e2e-local-postgres-tanstack-start-stable9906
✅ e2e-local-prod-nest-stable9906
✅ e2e-local-prod-tanstack-start-stable9906
📋 View full workflow run
@VaguelySerious
VaguelySerious
merged commit 234b904
into
stableAug 18, 2026

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VaguelySerious
deleted the

backport/pr-3620-to-stable

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August 18, 2026 21:29
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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Backport #3620: [e2e] Assert only the positive direction of step source maps - #3624
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VaguelySerious merged 1 commit into
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backport/pr-3620-to-stable
Aug 18, 2026
Merged
Backport #3620: [e2e] Assert only the positive direction of step source maps#3624
VaguelySerious merged 1 commit into
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backport/pr-3620-to-stable
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Aug 18, 2026

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Automated backport of #3620 to stable (backport job run).
AI recommendation: Test-only change that removes negative source-map assertions which flake on lanes (nuxt, nextjs-webpack) where maps apply nondeterministically. The same assertions and hasStepSourceMaps() matrix exist on stable (verified in packages/core/e2e/e2e.test.ts), so the flake affects stable's e2e suite too, and a flaky-test fix keeps the maintenance line testable.
Merge conflicts were resolved by AI (opencode with anthropic/claude-opus-5). Please review the conflict resolution carefully before merging.
@github-actions
[e2e] Assert only the positive direction of step source maps (#3620)
991fa93
Where hasStepSourceMaps() reports maps unsupported, the tests asserted
their absence - but on some lanes (nuxt, nextjs-webpack) source maps
apply nondeterministically, so the negative assertion pinned that
nondeterminism as a flake (#2083 measured this as one of the three
flake classes blocking e2e concurrency re-enablement). A stack that
resolves to source where none was promised is an improvement, not a
failure; hasStepSourceMaps() remains the record to update when a lane
starts mapping reliably, verified by the positive assertions on the
lanes it does promise.
Signed-off-by: Alex Langenfeld <alex.langenfeld@vercel.com>
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as code ownersAugust 18, 2026 20:50
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⚠️ No Changeset found
Latest commit: 991fa93
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
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🧪 E2E Test Results
❌ Some tests failed
Summary
PassedFailedSkippedTotal
✅ ▲ Vercel Production10770781155
✅ 💻 Local Development11740861260
✅ 📦 Local Production11740861260
✅ 🐘 Local Postgres11740861260
✅ 🪟 Windows10500105
❌ 🌍 Community Worlds831019193
✅ 📋 Other594036630
Total53811013815863
❌ Failed Tests
🌍 Community Worlds (101 failed)
redis (18 failed):
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • pages router sleepingWorkflow via pages router
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN
turso (83 failed):
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • addTenWorkflow | wrun_01M0BACAYFZANBZ2AH3BNFC6JV
  • deploymentId: 'latest' is a no-op in non-Vercel worlds
  • wellKnownAgentWorkflow (.well-known/agent) | wrun_01M0BADSEZ6NS6FAT3NF0PXGGY
  • should work with react rendering in step
  • promiseAllWorkflow | wrun_01M0BACJ7EW8AXAXRQZ42ZC9GW
  • promiseRaceWorkflow | wrun_01M0BACQATKXHKNVSGYBNVAK58
  • promiseAnyWorkflow | wrun_01M0BACST9Q1Q5JY9GD8632ZBV
  • importedStepOnlyWorkflow | wrun_01M0BAE5ST95AQ141BYQVCQMDR
  • readableStreamWorkflow | wrun_01M0BACWBAC6CC3ZRCAPWYRYNR
  • hookWorkflow | wrun_01M0BAD98TK3M73YGRY0Y1EEBF
  • hookWorkflow is not resumable via public webhook endpoint | wrun_01M0BADHW52HYAH6GPDK0VF9EH
  • webhookWorkflow | wrun_01M0BADPCGDHJM3M3Y73M8SVZ8
  • parallelStepsThenWebhookWorkflow - no hook_conflict from same-tick replay race | wrun_01M0BAE3X7HF7Y1MF7724CQXFQ
  • sleepingWorkflow | wrun_01M0BAHPVVWDN7KC1XVAFQT0GM
  • parallelSleepWorkflow | wrun_01M0BAJ6N2D1Z4V76S5VW5XDCN
  • sleepWinsRaceWorkflow | wrun_01M0BAJA69Y5C8170S57FF1D3Z
  • stepWinsRaceWorkflow | wrun_01M0BAJDT9PFT3P44GBXRDC3G3
  • nullByteWorkflow | wrun_01M0BAJHC6Q150YVABHYYPK16M
  • workflowAndStepMetadataWorkflow | wrun_01M0BAJKW21YCBS1S6YKRJ5XP6
  • outputStreamWorkflow no startIndex (reads all chunks)
  • outputStreamWorkflow positive startIndex (skips first chunk)
  • outputStreamWorkflow negative startIndex (reads from end)
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns correct index after stream completes
  • outputStreamWorkflow - getTailIndex and getStreamChunks getTailIndex returns -1 before any chunks are written
  • outputStreamWorkflow - getTailIndex and getStreamChunks getStreamChunks returns same content as reading the stream
  • outputStreamInsideStepWorkflow - getWritable() called inside step functions | wrun_01M0BAMXDF091YHA68Y8DQZGDQ
  • writableForwardedFromWorkflowWorkflow | wrun_01M0BANA6JE89KG3451M8GWJ2A
  • writableForwardedFromStepWorkflow | wrun_01M0BANE722P1ACX0XHWMBY8WH
  • fetchWorkflow | wrun_01M0BANHM0XWD1Q3KT2D4EG9AX
  • promiseRaceStressTestWorkflow | wrun_01M0BANN60VXT86R6F8DXE83MZ
  • error handling error propagation workflow errors nested function calls preserve message and stack trace
  • error handling error propagation workflow errors cross-file imports preserve message and stack trace
  • error handling error propagation step errors basic step error preserves message and stack trace
  • error handling error propagation step errors cross-file step error preserves message and function names in stack
  • error handling retry behavior regular Error retries until success
  • error handling retry behavior FatalError fails immediately without retries
  • error handling retry behavior RetryableError respects custom retryAfter delay
  • error handling retry behavior maxRetries=0 disables retries
  • error handling catchability FatalError can be caught and detected with FatalError.is()
  • error handling not registered WorkflowNotRegisteredError fails the run when workflow does not exist
  • error handling not registered StepNotRegisteredError fails the step but workflow can catch it
  • error handling not registered StepNotRegisteredError fails the run when not caught in workflow
  • hookCleanupTestWorkflow - hook token reuse after workflow completion | wrun_01M0BAS8SEKBW36M328QEX2WZY
  • concurrent hook token conflict - two workflows cannot use the same hook token simultaneously | wrun_01M0BASNV6RTYRNKPX98DG01JP
  • hookGetConflictWorkflow - awaiting hook.getConflict() registers hook without payload | wrun_01M0BAT888YD0579WJJFJG9X45
  • 'hookGetConflictWithPriorStepWorkflow' - hook.getConflict() does not block step execution | wrun_01M0BATAWEXFCR5TNWAH8WQXTE
  • 'hookGetConflictWithParallelStepWorkfl…' - hook.getConflict() does not block step execution | wrun_01M0BATDMT9B614Z1X6NEZC6EN
  • hookGetConflictThenStepParallelWorkflow - hook.getConflict() continuation step runs alongside other steps | wrun_01M0BATGCSX7WHPBPDARKMXNWK
  • hookGetConflictWorkflow - hook.getConflict() resolves with the conflicting run when token is already registered | wrun_01M0BATXWA9146XC8ZQEMG7EZZ
  • hookClaimOnlyMutexWorkflow - hook works as a pure run mutex without payload data | wrun_01M0BAVTX1GZZVPD6V1HE6533Y
  • hookAdoptOwnerResultWorkflow - duplicate adopts the owner result via conflict.returnValue | wrun_01M0BAVZPW0ZFZER94VD8CAS2V
  • hookSignalOwnerWorkflow - duplicate forwards its payload to the owner via resumeHook | wrun_01M0BAW6WN1SERFHRHCTKC1M1B
  • hookSupersedeOwnerWorkflow - duplicate cancels the owner and claims the released token | wrun_01M0BAWCDCP7XRWC03CCYR7B59
  • resume-or-start route pattern - resumeHook retried after start() reaches the new run | wrun_01M0BAWPAB5QC30GE7BC714BT1
  • hookDisposeTestWorkflow - hook token reuse after explicit disposal while workflow still running | wrun_01M0BAWYF6JYD0H85CFM7A7KTE
  • stepFunctionPassingWorkflow - step function references can be passed as arguments (without closure vars) | wrun_01M0BAXEZDQQNP79N1YRJQQ963
  • stepFunctionWithClosureWorkflow - step function with closure variables passed as argument | wrun_01M0BAXRV6FJGX45FW6NNFPMH3
  • closureVariableWorkflow - nested step functions with closure variables | wrun_01M0BAXYWAFZ0SAS6K59XN3P1X
  • spawnWorkflowFromStepWorkflow - spawning a child workflow using start() inside a step | wrun_01M0BAY19YCRW28Z8AAEWYK7D3
  • health check (queue-based) - workflow and step endpoints respond to health check messages
  • health check (CLI) - workflow health command reports healthy endpoints
  • pathsAliasWorkflow - TypeScript path aliases resolve correctly | wrun_01M0BAYHWNSA6QJX498Y8B4ZM9
  • Calculator.calculate - static workflow method using static step methods from another class | wrun_01M0BAYR708WDRJFJD39N4H47N
  • AllInOneService.processNumber - static workflow method using sibling static step methods | wrun_01M0BAYZMN3TQDA7D0BDBEG9KN
  • ChainableService.processWithThis - static step methods using this to reference the class | wrun_01M0BAZ6W37Q2H5WVSXMDN6XXT
  • thisSerializationWorkflow - step function invoked with .call() and .apply() | wrun_01M0BAZD321HHWDHDZEXRR8Q25
  • customSerializationWorkflow - custom class serialization with WORKFLOW_SERIALIZE/WORKFLOW_DESERIALIZE | wrun_01M0BAZMJCFRW8ZK2FE5MY0GRA
  • instanceMethodStepWorkflow - instance methods with "use step" directive | wrun_01M0BAZVZB16Y01421JBVYC9C3
  • crossContextSerdeWorkflow - classes defined in step code are deserializable in workflow context | wrun_01M0BB089QC5WG6H9CYZF4XHP9
  • stepFunctionAsStartArgWorkflow - step function reference passed as start() argument | wrun_01M0BB0GXMGH737B7MQDYDPPSE
  • cancelRun - cancelling a running workflow | wrun_01M0BB0RBJ6EV85J2KM9PWMWEH
  • cancelRun via CLI - cancelling a running workflow | wrun_01M0BB0Y22QA2798ZANF6NPWRA
  • pages router addTenWorkflow via pages router
  • pages router promiseAllWorkflow via pages router
  • pages router sleepingWorkflow via pages router
  • hookWithSleepWorkflow - hook payloads delivered correctly with concurrent sleep | wrun_01M0BB16J4NHX6K8CVS09SWCVB
  • hookWithSleepFinalStepWorkflow - step only on final payload | wrun_01M0BB1KD8S6YC7G8XD44KKTS8
  • sleepInLoopWorkflow - sleep inside loop with steps actually delays each iteration | wrun_01M0BB1Y72ND2P5C4B4QQ9WJ7T
  • sleepWithSequentialStepsWorkflow - sequential steps work with concurrent sleep (control) | wrun_01M0BB297HNZC5H2PHRX0H5E5N
  • importMetaUrlWorkflow - import.meta.url is available in step bundles | wrun_01M0BB2GS5G1KEN2P4E0FZ71PM
  • metadataFromHelperWorkflow - getWorkflowMetadata/getStepMetadata work from module-level helper (#1577) | wrun_01M0BB2K8DJ8TH1ZA5H3BGSTPS
  • resilient start: addTenWorkflow completes when run_created returns 500 | wrun_01M0BB2NSFMSFWNA6J7SFX0PKN
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@VaguelySerious
VaguelySerious
merged commit 234b904
into
stableAug 18, 2026

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@VaguelySerious
VaguelySerious
deleted the

backport/pr-3620-to-stable

branch
August 18, 2026 21:29
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