Confirm e2e failures from backend source-formatting deploy - #10657

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markerikson merged 11 commits into
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bugfix/e2e-test-source-formatting
Aug 23, 2026
Merged

Confirm e2e failures from backend source-formatting deploy#10657
markerikson merged 11 commits into
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bugfix/e2e-test-source-formatting

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@markeriksonmarkerikson commented Aug 21, 2026

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Draft PR with an empty commit, purely to run e2e CI.

  • The Aug 20 backend controllers deploy shipped the source-worker formatting rewrite (backend #13141): isMinified long-line threshold went 500 → 200 chars, so regeneratorRuntime.js (and a few other CRA sources) are now classified minified and get pretty-printed.
  • Expected result on this PR, with zero devtools changes:
    • sourcemap_stacktrace fails: frames report pretty-printed lines regeneratorRuntime.js:136 / :72 instead of the raw :125 / :69 the test expects.
    • jump-to-code-01_basic fails at the first check: "Jump to code" where the test expects "No results".
  • Both failed identically on four backend-pin bisect runs (e2e #2547–Include webpack stats in deploy #2550), including one pinned to the runtime config that passed on Aug 19 — so the cause is the prod deploy, not runtime changes.

If CI here shows the same two failures, the fix is updating these test expectations (follow-up commits on this branch).

@markerikson
Empty commit to trigger e2e CI
4ac203e
Confirming that the two deterministic e2e failures (sourcemap_stacktrace,
jump-to-code-01_basic) reproduce on any new PR after the Aug 20 backend
controllers deploy, independent of devtools changes.
@vercel

vercelBot commented Aug 21, 2026•
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Confirmed. This PR is an empty commit on top of main (2c49b9a), and e2e fails, while the Nightly runs on that same SHA were green on Aug 19 and Aug 20 08:12 UTC — before the backend controllers deploy at 09:42 UTC.

Failed (all retries):

  • jump-to-code-01_basic — "Jump to code" where the test expects "No results" (same symptom as the Buildkite runtime e2e runs)
  • regression-fe-1875-cypress-jump-to-code
  • stepping-05 — stepping in pretty-printed code
  • stepping-06 — async frames / async call stacks
  • inspector-computed-02
  • playwright-05 — DOM node previews on step hover

Note sourcemap_stacktracepasses here but fails deterministically in the Buildkite runtime e2e suite. Likely difference: pretty-print artifacts are cached in S3 per recording, so tests running against a stored example recording still see pre-deploy formatting, while freshly recorded examples get the new isMinified classification (long-line threshold 500 → 200 chars, backend #13141), which pretty-prints regeneratorRuntime.js and friends and shifts frame lines.

Next step: update the affected test expectations (or revisit the threshold) — follow-ups on this branch.

@replay-io

replay-ioBot commented Aug 22, 2026•
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E2E Tests

StatusStarting
Commit626d9ae

@markerikson
markerikson marked this pull request as ready for review August 23, 2026 21:21
@markerikson
markerikson merged commit cd64c09 into mainAug 23, 2026
23 checks passed
@markerikson
markerikson deleted the bugfix/e2e-test-source-formatting branch August 23, 2026 21:25
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, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
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(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
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codeBlock.parentElement.style.position = 'relative';
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var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
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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" + '

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Confirm e2e failures from backend source-formatting deploy - #10657
Merged
markerikson merged 11 commits into
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bugfix/e2e-test-source-formatting
Aug 23, 2026
Merged
Confirm e2e failures from backend source-formatting deploy#10657
markerikson merged 11 commits into
mainfrom 
bugfix/e2e-test-source-formatting
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@markerikson
@markeriksonmarkerikson
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Aug 21, 2026

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Draft PR with an empty commit, purely to run e2e CI.
  • The Aug 20 backend controllers deploy shipped the source-worker formatting rewrite (backend #13141): isMinified long-line threshold went 500 → 200 chars, so regeneratorRuntime.js (and a few other CRA sources) are now classified minified and get pretty-printed.
  • Expected result on this PR, with zero devtools changes:

    • sourcemap_stacktrace fails: frames report pretty-printed lines regeneratorRuntime.js:136 / :72 instead of the raw :125 / :69 the test expects.
    • jump-to-code-01_basic fails at the first check: "Jump to code" where the test expects "No results".
  • Both failed identically on four backend-pin bisect runs (e2e #2547–Include webpack stats in deploy #2550), including one pinned to the runtime config that passed on Aug 19 — so the cause is the prod deploy, not runtime changes.
If CI here shows the same two failures, the fix is updating these test expectations (follow-up commits on this branch).
@markerikson
Empty commit to trigger e2e CI
4ac203e
Confirming that the two deterministic e2e failures (sourcemap_stacktrace,
jump-to-code-01_basic) reproduce on any new PR after the Aug 20 backend
controllers deploy, independent of devtools changes.
@vercel
vercelBot
commented
Aug 21, 2026•

edited

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Aug 21, 2026

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Confirmed. This PR is an empty commit on top of main (2c49b9a), and e2e fails, while the Nightly runs on that same SHA were green on Aug 19 and Aug 20 08:12 UTC — before the backend controllers deploy at 09:42 UTC.
Failed (all retries):
  • jump-to-code-01_basic — "Jump to code" where the test expects "No results" (same symptom as the Buildkite runtime e2e runs)
  • regression-fe-1875-cypress-jump-to-code
  • stepping-05 — stepping in pretty-printed code
  • stepping-06 — async frames / async call stacks
  • inspector-computed-02
  • playwright-05 — DOM node previews on step hover
Note sourcemap_stacktracepasses here but fails deterministically in the Buildkite runtime e2e suite. Likely difference: pretty-print artifacts are cached in S3 per recording, so tests running against a stored example recording still see pre-deploy formatting, while freshly recorded examples get the new isMinified classification (long-line threshold 500 → 200 chars, backend #13141), which pretty-prints regeneratorRuntime.js and friends and shifts frame lines.
Next step: update the affected test expectations (or revisit the threshold) — follow-ups on this branch.
@replay-io
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commented
Aug 22, 2026•

edited

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E2E Tests
StatusStarting
Commit626d9ae
@markerikson
markerikson
marked this pull request as ready for review
August 23, 2026 21:21
@markerikson
markerikson
merged commit cd64c09
into
mainAug 23, 2026

23 checks passed

@markerikson
markerikson
deleted the

bugfix/e2e-test-source-formatting

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August 23, 2026 21:25
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
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} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Confirm e2e failures from backend source-formatting deploy - #10657
Merged
markerikson merged 11 commits into
mainfrom 
bugfix/e2e-test-source-formatting
Aug 23, 2026
Merged
Confirm e2e failures from backend source-formatting deploy#10657
markerikson merged 11 commits into
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bugfix/e2e-test-source-formatting
Conversation
@markerikson
@markeriksonmarkerikson
commented
Aug 21, 2026

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Draft PR with an empty commit, purely to run e2e CI.
  • The Aug 20 backend controllers deploy shipped the source-worker formatting rewrite (backend #13141): isMinified long-line threshold went 500 → 200 chars, so regeneratorRuntime.js (and a few other CRA sources) are now classified minified and get pretty-printed.
  • Expected result on this PR, with zero devtools changes:

    • sourcemap_stacktrace fails: frames report pretty-printed lines regeneratorRuntime.js:136 / :72 instead of the raw :125 / :69 the test expects.
    • jump-to-code-01_basic fails at the first check: "Jump to code" where the test expects "No results".
  • Both failed identically on four backend-pin bisect runs (e2e #2547–Include webpack stats in deploy #2550), including one pinned to the runtime config that passed on Aug 19 — so the cause is the prod deploy, not runtime changes.
If CI here shows the same two failures, the fix is updating these test expectations (follow-up commits on this branch).
@markerikson
Empty commit to trigger e2e CI
4ac203e
Confirming that the two deterministic e2e failures (sourcemap_stacktrace,
jump-to-code-01_basic) reproduce on any new PR after the Aug 20 backend
controllers deploy, independent of devtools changes.
@vercel
vercelBot
commented
Aug 21, 2026•

edited

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ProjectDeploymentActionsUpdated (UTC)
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Aug 21, 2026

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Confirmed. This PR is an empty commit on top of main (2c49b9a), and e2e fails, while the Nightly runs on that same SHA were green on Aug 19 and Aug 20 08:12 UTC — before the backend controllers deploy at 09:42 UTC.
Failed (all retries):
  • jump-to-code-01_basic — "Jump to code" where the test expects "No results" (same symptom as the Buildkite runtime e2e runs)
  • regression-fe-1875-cypress-jump-to-code
  • stepping-05 — stepping in pretty-printed code
  • stepping-06 — async frames / async call stacks
  • inspector-computed-02
  • playwright-05 — DOM node previews on step hover
Note sourcemap_stacktracepasses here but fails deterministically in the Buildkite runtime e2e suite. Likely difference: pretty-print artifacts are cached in S3 per recording, so tests running against a stored example recording still see pre-deploy formatting, while freshly recorded examples get the new isMinified classification (long-line threshold 500 → 200 chars, backend #13141), which pretty-prints regeneratorRuntime.js and friends and shifts frame lines.
Next step: update the affected test expectations (or revisit the threshold) — follow-ups on this branch.
@replay-io
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commented
Aug 22, 2026•

edited

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E2E Tests
StatusStarting
Commit626d9ae
@markerikson
markerikson
marked this pull request as ready for review
August 23, 2026 21:21
@markerikson
markerikson
merged commit cd64c09
into
mainAug 23, 2026

23 checks passed

@markerikson
markerikson
deleted the

bugfix/e2e-test-source-formatting

branch
August 23, 2026 21:25
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@markerikson@Domiii

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
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frag.appendChild(document.createTextNode(part));
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span.className = 'userscript-highlight';
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node.parentNode.replaceChild(frag, node);
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highlight(document.body);
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} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Confirm e2e failures from backend source-formatting deploy - #10657
Merged
markerikson merged 11 commits into
mainfrom 
bugfix/e2e-test-source-formatting
Aug 23, 2026
Merged
Confirm e2e failures from backend source-formatting deploy#10657
markerikson merged 11 commits into
mainfrom 
bugfix/e2e-test-source-formatting
Conversation
@markerikson
@markeriksonmarkerikson
commented
Aug 21, 2026

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Draft PR with an empty commit, purely to run e2e CI.
  • The Aug 20 backend controllers deploy shipped the source-worker formatting rewrite (backend #13141): isMinified long-line threshold went 500 → 200 chars, so regeneratorRuntime.js (and a few other CRA sources) are now classified minified and get pretty-printed.
  • Expected result on this PR, with zero devtools changes:

    • sourcemap_stacktrace fails: frames report pretty-printed lines regeneratorRuntime.js:136 / :72 instead of the raw :125 / :69 the test expects.
    • jump-to-code-01_basic fails at the first check: "Jump to code" where the test expects "No results".
  • Both failed identically on four backend-pin bisect runs (e2e #2547–Include webpack stats in deploy #2550), including one pinned to the runtime config that passed on Aug 19 — so the cause is the prod deploy, not runtime changes.
If CI here shows the same two failures, the fix is updating these test expectations (follow-up commits on this branch).
@markerikson
Empty commit to trigger e2e CI
4ac203e
Confirming that the two deterministic e2e failures (sourcemap_stacktrace,
jump-to-code-01_basic) reproduce on any new PR after the Aug 20 backend
controllers deploy, independent of devtools changes.
@vercel
vercelBot
commented
Aug 21, 2026•

edited

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@markerikson
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Aug 21, 2026

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Confirmed. This PR is an empty commit on top of main (2c49b9a), and e2e fails, while the Nightly runs on that same SHA were green on Aug 19 and Aug 20 08:12 UTC — before the backend controllers deploy at 09:42 UTC.
Failed (all retries):
  • jump-to-code-01_basic — "Jump to code" where the test expects "No results" (same symptom as the Buildkite runtime e2e runs)
  • regression-fe-1875-cypress-jump-to-code
  • stepping-05 — stepping in pretty-printed code
  • stepping-06 — async frames / async call stacks
  • inspector-computed-02
  • playwright-05 — DOM node previews on step hover
Note sourcemap_stacktracepasses here but fails deterministically in the Buildkite runtime e2e suite. Likely difference: pretty-print artifacts are cached in S3 per recording, so tests running against a stored example recording still see pre-deploy formatting, while freshly recorded examples get the new isMinified classification (long-line threshold 500 → 200 chars, backend #13141), which pretty-prints regeneratorRuntime.js and friends and shifts frame lines.
Next step: update the affected test expectations (or revisit the threshold) — follow-ups on this branch.
@replay-io
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commented
Aug 22, 2026•

edited

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E2E Tests
StatusStarting
Commit626d9ae
@markerikson
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marked this pull request as ready for review
August 23, 2026 21:21
@markerikson
markerikson
merged commit cd64c09
into
mainAug 23, 2026

23 checks passed

@markerikson
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deleted the

bugfix/e2e-test-source-formatting

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August 23, 2026 21:25
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
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});
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});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} 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
Confirm e2e failures from backend source-formatting deploy - #10657
Merged
markerikson merged 11 commits into
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bugfix/e2e-test-source-formatting
Aug 23, 2026
Merged
Confirm e2e failures from backend source-formatting deploy#10657
markerikson merged 11 commits into
mainfrom 
bugfix/e2e-test-source-formatting
Conversation
@markerikson
@markeriksonmarkerikson
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Aug 21, 2026

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Draft PR with an empty commit, purely to run e2e CI.
  • The Aug 20 backend controllers deploy shipped the source-worker formatting rewrite (backend #13141): isMinified long-line threshold went 500 → 200 chars, so regeneratorRuntime.js (and a few other CRA sources) are now classified minified and get pretty-printed.
  • Expected result on this PR, with zero devtools changes:

    • sourcemap_stacktrace fails: frames report pretty-printed lines regeneratorRuntime.js:136 / :72 instead of the raw :125 / :69 the test expects.
    • jump-to-code-01_basic fails at the first check: "Jump to code" where the test expects "No results".
  • Both failed identically on four backend-pin bisect runs (e2e #2547–Include webpack stats in deploy #2550), including one pinned to the runtime config that passed on Aug 19 — so the cause is the prod deploy, not runtime changes.
If CI here shows the same two failures, the fix is updating these test expectations (follow-up commits on this branch).
@markerikson
Empty commit to trigger e2e CI
4ac203e
Confirming that the two deterministic e2e failures (sourcemap_stacktrace,
jump-to-code-01_basic) reproduce on any new PR after the Aug 20 backend
controllers deploy, independent of devtools changes.
@vercel
vercelBot
commented
Aug 21, 2026•

edited

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ProjectDeploymentActionsUpdated (UTC)
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@markerikson
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Aug 21, 2026

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Confirmed. This PR is an empty commit on top of main (2c49b9a), and e2e fails, while the Nightly runs on that same SHA were green on Aug 19 and Aug 20 08:12 UTC — before the backend controllers deploy at 09:42 UTC.
Failed (all retries):
  • jump-to-code-01_basic — "Jump to code" where the test expects "No results" (same symptom as the Buildkite runtime e2e runs)
  • regression-fe-1875-cypress-jump-to-code
  • stepping-05 — stepping in pretty-printed code
  • stepping-06 — async frames / async call stacks
  • inspector-computed-02
  • playwright-05 — DOM node previews on step hover
Note sourcemap_stacktracepasses here but fails deterministically in the Buildkite runtime e2e suite. Likely difference: pretty-print artifacts are cached in S3 per recording, so tests running against a stored example recording still see pre-deploy formatting, while freshly recorded examples get the new isMinified classification (long-line threshold 500 → 200 chars, backend #13141), which pretty-prints regeneratorRuntime.js and friends and shifts frame lines.
Next step: update the affected test expectations (or revisit the threshold) — follow-ups on this branch.
@replay-io
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commented
Aug 22, 2026•

edited

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E2E Tests
StatusStarting
Commit626d9ae
@markerikson
markerikson
marked this pull request as ready for review
August 23, 2026 21:21
@markerikson
markerikson
merged commit cd64c09
into
mainAug 23, 2026

23 checks passed

@markerikson
markerikson
deleted the

bugfix/e2e-test-source-formatting

branch
August 23, 2026 21:25
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@markerikson@Domiii

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

Skip to content
Confirm e2e failures from backend source-formatting deploy - #10657
Merged
markerikson merged 11 commits into
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bugfix/e2e-test-source-formatting
Aug 23, 2026
Merged
Confirm e2e failures from backend source-formatting deploy#10657
markerikson merged 11 commits into
mainfrom 
bugfix/e2e-test-source-formatting
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@markerikson
@markeriksonmarkerikson
commented
Aug 21, 2026

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Draft PR with an empty commit, purely to run e2e CI.
  • The Aug 20 backend controllers deploy shipped the source-worker formatting rewrite (backend #13141): isMinified long-line threshold went 500 → 200 chars, so regeneratorRuntime.js (and a few other CRA sources) are now classified minified and get pretty-printed.
  • Expected result on this PR, with zero devtools changes:

    • sourcemap_stacktrace fails: frames report pretty-printed lines regeneratorRuntime.js:136 / :72 instead of the raw :125 / :69 the test expects.
    • jump-to-code-01_basic fails at the first check: "Jump to code" where the test expects "No results".
  • Both failed identically on four backend-pin bisect runs (e2e #2547–Include webpack stats in deploy #2550), including one pinned to the runtime config that passed on Aug 19 — so the cause is the prod deploy, not runtime changes.
If CI here shows the same two failures, the fix is updating these test expectations (follow-up commits on this branch).
@markerikson
Empty commit to trigger e2e CI
4ac203e
Confirming that the two deterministic e2e failures (sourcemap_stacktrace,
jump-to-code-01_basic) reproduce on any new PR after the Aug 20 backend
controllers deploy, independent of devtools changes.
@vercel
vercelBot
commented
Aug 21, 2026•

edited

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ProjectDeploymentActionsUpdated (UTC)
devtoolsReadyReadyPreviewAug 23, 2026 9:14pm
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@markerikson
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Aug 21, 2026

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Confirmed. This PR is an empty commit on top of main (2c49b9a), and e2e fails, while the Nightly runs on that same SHA were green on Aug 19 and Aug 20 08:12 UTC — before the backend controllers deploy at 09:42 UTC.
Failed (all retries):
  • jump-to-code-01_basic — "Jump to code" where the test expects "No results" (same symptom as the Buildkite runtime e2e runs)
  • regression-fe-1875-cypress-jump-to-code
  • stepping-05 — stepping in pretty-printed code
  • stepping-06 — async frames / async call stacks
  • inspector-computed-02
  • playwright-05 — DOM node previews on step hover
Note sourcemap_stacktracepasses here but fails deterministically in the Buildkite runtime e2e suite. Likely difference: pretty-print artifacts are cached in S3 per recording, so tests running against a stored example recording still see pre-deploy formatting, while freshly recorded examples get the new isMinified classification (long-line threshold 500 → 200 chars, backend #13141), which pretty-prints regeneratorRuntime.js and friends and shifts frame lines.
Next step: update the affected test expectations (or revisit the threshold) — follow-ups on this branch.
@replay-io
replay-ioBot
commented
Aug 22, 2026•

edited

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E2E Tests
StatusStarting
Commit626d9ae
@markerikson
markerikson
marked this pull request as ready for review
August 23, 2026 21:21
@markerikson
markerikson
merged commit cd64c09
into
mainAug 23, 2026

23 checks passed

@markerikson
markerikson
deleted the

bugfix/e2e-test-source-formatting

branch
August 23, 2026 21:25
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Confirm e2e failures from backend source-formatting deploy - #10657
Merged
markerikson merged 11 commits into
mainfrom 
bugfix/e2e-test-source-formatting
Aug 23, 2026
Merged
Confirm e2e failures from backend source-formatting deploy#10657
markerikson merged 11 commits into
mainfrom 
bugfix/e2e-test-source-formatting
Conversation
@markerikson
@markeriksonmarkerikson
commented
Aug 21, 2026

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Collaborator
Draft PR with an empty commit, purely to run e2e CI.
  • The Aug 20 backend controllers deploy shipped the source-worker formatting rewrite (backend #13141): isMinified long-line threshold went 500 → 200 chars, so regeneratorRuntime.js (and a few other CRA sources) are now classified minified and get pretty-printed.
  • Expected result on this PR, with zero devtools changes:

    • sourcemap_stacktrace fails: frames report pretty-printed lines regeneratorRuntime.js:136 / :72 instead of the raw :125 / :69 the test expects.
    • jump-to-code-01_basic fails at the first check: "Jump to code" where the test expects "No results".
  • Both failed identically on four backend-pin bisect runs (e2e #2547–Include webpack stats in deploy #2550), including one pinned to the runtime config that passed on Aug 19 — so the cause is the prod deploy, not runtime changes.
If CI here shows the same two failures, the fix is updating these test expectations (follow-up commits on this branch).
@markerikson
Empty commit to trigger e2e CI
4ac203e
Confirming that the two deterministic e2e failures (sourcemap_stacktrace,
jump-to-code-01_basic) reproduce on any new PR after the Aug 20 backend
controllers deploy, independent of devtools changes.
@vercel
vercelBot
commented
Aug 21, 2026•

edited

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The latest updates on your projects. Learn more about Vercel for GitHub.
ProjectDeploymentActionsUpdated (UTC)
devtoolsReadyReadyPreviewAug 23, 2026 9:14pm
Request Review
@markerikson
markerikson
commented
Aug 21, 2026

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Confirmed. This PR is an empty commit on top of main (2c49b9a), and e2e fails, while the Nightly runs on that same SHA were green on Aug 19 and Aug 20 08:12 UTC — before the backend controllers deploy at 09:42 UTC.
Failed (all retries):
  • jump-to-code-01_basic — "Jump to code" where the test expects "No results" (same symptom as the Buildkite runtime e2e runs)
  • regression-fe-1875-cypress-jump-to-code
  • stepping-05 — stepping in pretty-printed code
  • stepping-06 — async frames / async call stacks
  • inspector-computed-02
  • playwright-05 — DOM node previews on step hover
Note sourcemap_stacktracepasses here but fails deterministically in the Buildkite runtime e2e suite. Likely difference: pretty-print artifacts are cached in S3 per recording, so tests running against a stored example recording still see pre-deploy formatting, while freshly recorded examples get the new isMinified classification (long-line threshold 500 → 200 chars, backend #13141), which pretty-prints regeneratorRuntime.js and friends and shifts frame lines.
Next step: update the affected test expectations (or revisit the threshold) — follow-ups on this branch.
@replay-io
replay-ioBot
commented
Aug 22, 2026•

edited

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E2E Tests
StatusStarting
Commit626d9ae
@markerikson
markerikson
marked this pull request as ready for review
August 23, 2026 21:21
@markerikson
markerikson
merged commit cd64c09
into
mainAug 23, 2026

23 checks passed

@markerikson
markerikson
deleted the

bugfix/e2e-test-source-formatting

branch
August 23, 2026 21:25
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@markerikson@Domiii

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

Skip to content
Confirm e2e failures from backend source-formatting deploy - #10657
Merged
markerikson merged 11 commits into
mainfrom 
bugfix/e2e-test-source-formatting
Aug 23, 2026
Merged
Confirm e2e failures from backend source-formatting deploy#10657
markerikson merged 11 commits into
mainfrom 
bugfix/e2e-test-source-formatting
Conversation
@markerikson
@markeriksonmarkerikson
commented
Aug 21, 2026

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Collaborator
Draft PR with an empty commit, purely to run e2e CI.
  • The Aug 20 backend controllers deploy shipped the source-worker formatting rewrite (backend #13141): isMinified long-line threshold went 500 → 200 chars, so regeneratorRuntime.js (and a few other CRA sources) are now classified minified and get pretty-printed.
  • Expected result on this PR, with zero devtools changes:

    • sourcemap_stacktrace fails: frames report pretty-printed lines regeneratorRuntime.js:136 / :72 instead of the raw :125 / :69 the test expects.
    • jump-to-code-01_basic fails at the first check: "Jump to code" where the test expects "No results".
  • Both failed identically on four backend-pin bisect runs (e2e #2547–Include webpack stats in deploy #2550), including one pinned to the runtime config that passed on Aug 19 — so the cause is the prod deploy, not runtime changes.
If CI here shows the same two failures, the fix is updating these test expectations (follow-up commits on this branch).
@markerikson
Empty commit to trigger e2e CI
4ac203e
Confirming that the two deterministic e2e failures (sourcemap_stacktrace,
jump-to-code-01_basic) reproduce on any new PR after the Aug 20 backend
controllers deploy, independent of devtools changes.
@vercel
vercelBot
commented
Aug 21, 2026•

edited

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The latest updates on your projects. Learn more about Vercel for GitHub.
ProjectDeploymentActionsUpdated (UTC)
devtoolsReadyReadyPreviewAug 23, 2026 9:14pm
Request Review
@markerikson
markerikson
commented
Aug 21, 2026

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CollaboratorAuthor
Confirmed. This PR is an empty commit on top of main (2c49b9a), and e2e fails, while the Nightly runs on that same SHA were green on Aug 19 and Aug 20 08:12 UTC — before the backend controllers deploy at 09:42 UTC.
Failed (all retries):
  • jump-to-code-01_basic — "Jump to code" where the test expects "No results" (same symptom as the Buildkite runtime e2e runs)
  • regression-fe-1875-cypress-jump-to-code
  • stepping-05 — stepping in pretty-printed code
  • stepping-06 — async frames / async call stacks
  • inspector-computed-02
  • playwright-05 — DOM node previews on step hover
Note sourcemap_stacktracepasses here but fails deterministically in the Buildkite runtime e2e suite. Likely difference: pretty-print artifacts are cached in S3 per recording, so tests running against a stored example recording still see pre-deploy formatting, while freshly recorded examples get the new isMinified classification (long-line threshold 500 → 200 chars, backend #13141), which pretty-prints regeneratorRuntime.js and friends and shifts frame lines.
Next step: update the affected test expectations (or revisit the threshold) — follow-ups on this branch.
@replay-io
replay-ioBot
commented
Aug 22, 2026•

edited

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E2E Tests
StatusStarting
Commit626d9ae
@markerikson
markerikson
marked this pull request as ready for review
August 23, 2026 21:21
@markerikson
markerikson
merged commit cd64c09
into
mainAug 23, 2026

23 checks passed

@markerikson
markerikson
deleted the

bugfix/e2e-test-source-formatting

branch
August 23, 2026 21:25
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@DomiiiDomiiiDomiii approved these changes
@replay-soc2replay-soc2[bot]replay-soc2[bot] approved these changes

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@markerikson@Domiii