feat(node-core): Add outgoing trace propagation to light mode - #19251

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feat(node-core): Add outgoing trace propagation to light mode#19251
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@andreiborzaandreiborza commented Feb 10, 2026•
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This PR adds outgoing trace propagation and breadcrumb creation to node-core/light.

  • extracted shouldPropagateTraceForUrl into @sentry/core (kept a re-export of it in @sentry/opentelemetry for backwards compatibility)
  • renamed the httpServerIntegration to httpIntegration to better reflect the changes, this now handles both incoming request isolation and outgoing trace propagation
  • added a fetch integration for outgoing trace propagation, based on undici:request:create / undici:request:headers diagnostics channels
  • extracted some of the http integration functions that both node-core and node-core/light use out into utils

Closes https://linear.app/getsentry/issue/FE-719/support-trace-continuation-for-outgoing-requestsfetch

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FE-719 Support trace continuation for outgoing requests/fetch

github-advanced-security[bot]
github-advanced-securityAI found potential problems Feb 10, 2026
View reviewed changes
Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-fetch/server.js Fixed
Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-http/server.js Fixed
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Codecov Results 📊

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Codecov Results 📊

✅ 25 passed | ⏭️ 5 skipped | Total: 30 | Pass Rate: 83.33% | Execution Time: 12.70s

All tests are passing successfully.

Generated by Codecov Action

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size-limit report 📦

PathSize% ChangeChange
@sentry/browser25.53 kB--
@sentry/browser - with treeshaking flags24.05 kB--
@sentry/browser (incl. Tracing)42.36 kB--
@sentry/browser (incl. Tracing, Profiling)47.02 kB--
@sentry/browser (incl. Tracing, Replay)81.14 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags70.77 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)85.84 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)98.02 kB--
@sentry/browser (incl. Feedback)42.27 kB--
@sentry/browser (incl. sendFeedback)30.22 kB--
@sentry/browser (incl. FeedbackAsync)35.21 kB--
@sentry/browser (incl. Metrics)26.71 kB--
@sentry/browser (incl. Logs)26.85 kB--
@sentry/browser (incl. Metrics & Logs)27.53 kB--
@sentry/react27.3 kB--
@sentry/react (incl. Tracing)44.68 kB--
@sentry/vue29.98 kB--
@sentry/vue (incl. Tracing)44.2 kB--
@sentry/svelte25.55 kB--
CDN Bundle28.08 kB--
CDN Bundle (incl. Tracing)43.15 kB--
CDN Bundle (incl. Logs, Metrics)28.92 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)43.99 kB--
CDN Bundle (incl. Replay, Logs, Metrics)67.99 kB--
CDN Bundle (incl. Tracing, Replay)80.04 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)80.91 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)85.46 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)86.36 kB--
CDN Bundle - uncompressed82.12 kB--
CDN Bundle (incl. Tracing) - uncompressed127.83 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed84.95 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed130.66 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed208.62 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed244.71 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed247.53 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed257.51 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed260.32 kB--
@sentry/nextjs (client)47.02 kB--
@sentry/sveltekit (client)42.78 kB--
@sentry/node-core52.16 kB-0.05%-25 B 🔽
@sentry/node166.52 kB-0.01%-12 B 🔽
@sentry/node - without tracing93.96 kB-0.02%-14 B 🔽
@sentry/aws-serverless109.46 kB-0.02%-15 B 🔽

View base workflow run

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node-overhead report 🧳

Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.

ScenarioRequests/s% of BaselinePrev. Requests/sChange %
GET Baseline8,890-8,882+0%
GET With Sentry1,74320%1,756-1%
GET With Sentry (error only)6,17769%6,178-0%
POST Baseline1,198-1,182+1%
POST With Sentry60651%592+2%
POST With Sentry (error only)1,05788%1,038+2%
MYSQL Baseline3,336-3,315+1%
MYSQL With Sentry49115%446+10%
MYSQL With Sentry (error only)2,72382%2,680+2%

View base workflow run

@andreiborza
andreiborzaforce-pushed the ab/node-light-outgoing-trace-propagation branch from 003e99b to 8c3fd4dCompareFebruary 10, 2026 14:19
@andreiborza
Reduce duplication
baf4768
@andreiborza
Extract duplicated fetch/undici utils into shared file
c4dd8df
Both the full mode (SentryNodeFetchInstrumentation) and light mode
(nativeNodeFetchIntegration) duplicated identical logic for trace
propagation header injection, breadcrumb creation, and URL construction.
Extract these into a shared outgoingFetchRequest.ts utility.
@andreiborza

andreiborza commented Feb 18, 2026

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This PR has been split into three: #19254, #19258 and #19262. All of which were merged in already.

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@andreiborza@github-advanced-security
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n 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;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} 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
feat(node-core): Add outgoing trace propagation to light mode - #19251
Closed
andreiborza wants to merge 4 commits into
developfrom 
ab/node-light-outgoing-trace-propagation
Closed
feat(node-core): Add outgoing trace propagation to light mode#19251
andreiborza wants to merge 4 commits into
developfrom 
ab/node-light-outgoing-trace-propagation
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@andreiborza
@andreiborzaandreiborza
commented
Feb 10, 2026•

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This PR adds outgoing trace propagation and breadcrumb creation to node-core/light.
  • extracted shouldPropagateTraceForUrl into @sentry/core (kept a re-export of it in @sentry/opentelemetry for backwards compatibility)
  • renamed the httpServerIntegration to httpIntegration to better reflect the changes, this now handles both incoming request isolation and outgoing trace propagation
  • added a fetch integration for outgoing trace propagation, based on undici:request:create / undici:request:headers diagnostics channels
  • extracted some of the http integration functions that both node-core and node-core/light use out into utils
Closes https://linear.app/getsentry/issue/FE-719/support-trace-continuation-for-outgoing-requestsfetch
@linear
linearBot
commented
Feb 10, 2026

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FE-719 Support trace continuation for outgoing requests/fetch
github-advanced-security[bot]
github-advanced-securityAI
found potential problems
Feb 10, 2026
View reviewed changes
Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-fetch/server.js
Fixed

Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-http/server.js
Fixed

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Feb 10, 2026•

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Codecov Results 📊
Generated by Codecov Action
@github-actions
github-actionsBot
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Feb 10, 2026

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Codecov Results 📊
✅ 25 passed | ⏭️ 5 skipped | Total: 30 | Pass Rate: 83.33% | Execution Time: 12.70s
All tests are passing successfully.
Generated by Codecov Action
@github-actions
github-actionsBot
commented
Feb 10, 2026•

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size-limit report 📦
PathSize% ChangeChange
@sentry/browser25.53 kB--
@sentry/browser - with treeshaking flags24.05 kB--
@sentry/browser (incl. Tracing)42.36 kB--
@sentry/browser (incl. Tracing, Profiling)47.02 kB--
@sentry/browser (incl. Tracing, Replay)81.14 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags70.77 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)85.84 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)98.02 kB--
@sentry/browser (incl. Feedback)42.27 kB--
@sentry/browser (incl. sendFeedback)30.22 kB--
@sentry/browser (incl. FeedbackAsync)35.21 kB--
@sentry/browser (incl. Metrics)26.71 kB--
@sentry/browser (incl. Logs)26.85 kB--
@sentry/browser (incl. Metrics & Logs)27.53 kB--
@sentry/react27.3 kB--
@sentry/react (incl. Tracing)44.68 kB--
@sentry/vue29.98 kB--
@sentry/vue (incl. Tracing)44.2 kB--
@sentry/svelte25.55 kB--
CDN Bundle28.08 kB--
CDN Bundle (incl. Tracing)43.15 kB--
CDN Bundle (incl. Logs, Metrics)28.92 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)43.99 kB--
CDN Bundle (incl. Replay, Logs, Metrics)67.99 kB--
CDN Bundle (incl. Tracing, Replay)80.04 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)80.91 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)85.46 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)86.36 kB--
CDN Bundle - uncompressed82.12 kB--
CDN Bundle (incl. Tracing) - uncompressed127.83 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed84.95 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed130.66 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed208.62 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed244.71 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed247.53 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed257.51 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed260.32 kB--
@sentry/nextjs (client)47.02 kB--
@sentry/sveltekit (client)42.78 kB--
@sentry/node-core52.16 kB-0.05%-25 B 🔽
@sentry/node166.52 kB-0.01%-12 B 🔽
@sentry/node - without tracing93.96 kB-0.02%-14 B 🔽
@sentry/aws-serverless109.46 kB-0.02%-15 B 🔽
View base workflow run
@github-actions
github-actionsBot
commented
Feb 10, 2026•

edited

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node-overhead report 🧳
Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.
ScenarioRequests/s% of BaselinePrev. Requests/sChange %
GET Baseline8,890-8,882+0%
GET With Sentry1,74320%1,756-1%
GET With Sentry (error only)6,17769%6,178-0%
POST Baseline1,198-1,182+1%
POST With Sentry60651%592+2%
POST With Sentry (error only)1,05788%1,038+2%
MYSQL Baseline3,336-3,315+1%
MYSQL With Sentry49115%446+10%
MYSQL With Sentry (error only)2,72382%2,680+2%
View base workflow run
@andreiborza
andreiborzaforce-pushed
the
ab/node-light-outgoing-trace-propagation
branch
from
003e99b to
8c3fd4dCompareFebruary 10, 2026 14:19
@andreiborza
Reduce duplication
baf4768
@andreiborza
Extract duplicated fetch/undici utils into shared file
c4dd8df
Both the full mode (SentryNodeFetchInstrumentation) and light mode
(nativeNodeFetchIntegration) duplicated identical logic for trace
propagation header injection, breadcrumb creation, and URL construction.
Extract these into a shared outgoingFetchRequest.ts utility.
@andreiborza
andreiborza
commented
Feb 18, 2026

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MemberAuthor
This PR has been split into three: #19254, #19258 and #19262. All of which were merged in already.
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@andreiborza@github-advanced-security

, '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('^' + ".*" + '

Skip to content
feat(node-core): Add outgoing trace propagation to light mode - #19251
Closed
andreiborza wants to merge 4 commits into
developfrom 
ab/node-light-outgoing-trace-propagation
Closed
feat(node-core): Add outgoing trace propagation to light mode#19251
andreiborza wants to merge 4 commits into
developfrom 
ab/node-light-outgoing-trace-propagation
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@andreiborza
@andreiborzaandreiborza
commented
Feb 10, 2026•

edited

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This PR adds outgoing trace propagation and breadcrumb creation to node-core/light.
  • extracted shouldPropagateTraceForUrl into @sentry/core (kept a re-export of it in @sentry/opentelemetry for backwards compatibility)
  • renamed the httpServerIntegration to httpIntegration to better reflect the changes, this now handles both incoming request isolation and outgoing trace propagation
  • added a fetch integration for outgoing trace propagation, based on undici:request:create / undici:request:headers diagnostics channels
  • extracted some of the http integration functions that both node-core and node-core/light use out into utils
Closes https://linear.app/getsentry/issue/FE-719/support-trace-continuation-for-outgoing-requestsfetch
@linear
linearBot
commented
Feb 10, 2026

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FE-719 Support trace continuation for outgoing requests/fetch
github-advanced-security[bot]
github-advanced-securityAI
found potential problems
Feb 10, 2026
View reviewed changes
Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-fetch/server.js
Fixed

Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-http/server.js
Fixed

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Feb 10, 2026•

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Codecov Results 📊
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Codecov Results 📊
✅ 25 passed | ⏭️ 5 skipped | Total: 30 | Pass Rate: 83.33% | Execution Time: 12.70s
All tests are passing successfully.
Generated by Codecov Action
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commented
Feb 10, 2026•

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size-limit report 📦
PathSize% ChangeChange
@sentry/browser25.53 kB--
@sentry/browser - with treeshaking flags24.05 kB--
@sentry/browser (incl. Tracing)42.36 kB--
@sentry/browser (incl. Tracing, Profiling)47.02 kB--
@sentry/browser (incl. Tracing, Replay)81.14 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags70.77 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)85.84 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)98.02 kB--
@sentry/browser (incl. Feedback)42.27 kB--
@sentry/browser (incl. sendFeedback)30.22 kB--
@sentry/browser (incl. FeedbackAsync)35.21 kB--
@sentry/browser (incl. Metrics)26.71 kB--
@sentry/browser (incl. Logs)26.85 kB--
@sentry/browser (incl. Metrics & Logs)27.53 kB--
@sentry/react27.3 kB--
@sentry/react (incl. Tracing)44.68 kB--
@sentry/vue29.98 kB--
@sentry/vue (incl. Tracing)44.2 kB--
@sentry/svelte25.55 kB--
CDN Bundle28.08 kB--
CDN Bundle (incl. Tracing)43.15 kB--
CDN Bundle (incl. Logs, Metrics)28.92 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)43.99 kB--
CDN Bundle (incl. Replay, Logs, Metrics)67.99 kB--
CDN Bundle (incl. Tracing, Replay)80.04 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)80.91 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)85.46 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)86.36 kB--
CDN Bundle - uncompressed82.12 kB--
CDN Bundle (incl. Tracing) - uncompressed127.83 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed84.95 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed130.66 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed208.62 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed244.71 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed247.53 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed257.51 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed260.32 kB--
@sentry/nextjs (client)47.02 kB--
@sentry/sveltekit (client)42.78 kB--
@sentry/node-core52.16 kB-0.05%-25 B 🔽
@sentry/node166.52 kB-0.01%-12 B 🔽
@sentry/node - without tracing93.96 kB-0.02%-14 B 🔽
@sentry/aws-serverless109.46 kB-0.02%-15 B 🔽
View base workflow run
@github-actions
github-actionsBot
commented
Feb 10, 2026•

edited

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node-overhead report 🧳
Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.
ScenarioRequests/s% of BaselinePrev. Requests/sChange %
GET Baseline8,890-8,882+0%
GET With Sentry1,74320%1,756-1%
GET With Sentry (error only)6,17769%6,178-0%
POST Baseline1,198-1,182+1%
POST With Sentry60651%592+2%
POST With Sentry (error only)1,05788%1,038+2%
MYSQL Baseline3,336-3,315+1%
MYSQL With Sentry49115%446+10%
MYSQL With Sentry (error only)2,72382%2,680+2%
View base workflow run
@andreiborza
andreiborzaforce-pushed
the
ab/node-light-outgoing-trace-propagation
branch
from
003e99b to
8c3fd4dCompareFebruary 10, 2026 14:19
@andreiborza
Reduce duplication
baf4768
@andreiborza
Extract duplicated fetch/undici utils into shared file
c4dd8df
Both the full mode (SentryNodeFetchInstrumentation) and light mode
(nativeNodeFetchIntegration) duplicated identical logic for trace
propagation header injection, breadcrumb creation, and URL construction.
Extract these into a shared outgoingFetchRequest.ts utility.
@andreiborza
andreiborza
commented
Feb 18, 2026

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MemberAuthor
This PR has been split into three: #19254, #19258 and #19262. All of which were merged in already.
Sign up for freeto join this conversation on GitHub.
Already have an account?
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2 participants

@andreiborza@github-advanced-security

, '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('^' + ".*" + '

Skip to content
feat(node-core): Add outgoing trace propagation to light mode - #19251
Closed
andreiborza wants to merge 4 commits into
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ab/node-light-outgoing-trace-propagation
Closed
feat(node-core): Add outgoing trace propagation to light mode#19251
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This PR adds outgoing trace propagation and breadcrumb creation to node-core/light.
  • extracted shouldPropagateTraceForUrl into @sentry/core (kept a re-export of it in @sentry/opentelemetry for backwards compatibility)
  • renamed the httpServerIntegration to httpIntegration to better reflect the changes, this now handles both incoming request isolation and outgoing trace propagation
  • added a fetch integration for outgoing trace propagation, based on undici:request:create / undici:request:headers diagnostics channels
  • extracted some of the http integration functions that both node-core and node-core/light use out into utils
Closes https://linear.app/getsentry/issue/FE-719/support-trace-continuation-for-outgoing-requestsfetch
@linear
linearBot
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Feb 10, 2026

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FE-719 Support trace continuation for outgoing requests/fetch
github-advanced-security[bot]
github-advanced-securityAI
found potential problems
Feb 10, 2026
View reviewed changes
Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-fetch/server.js
Fixed

Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-http/server.js
Fixed

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Feb 10, 2026•

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Codecov Results 📊
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Codecov Results 📊
✅ 25 passed | ⏭️ 5 skipped | Total: 30 | Pass Rate: 83.33% | Execution Time: 12.70s
All tests are passing successfully.
Generated by Codecov Action
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Feb 10, 2026•

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size-limit report 📦
PathSize% ChangeChange
@sentry/browser25.53 kB--
@sentry/browser - with treeshaking flags24.05 kB--
@sentry/browser (incl. Tracing)42.36 kB--
@sentry/browser (incl. Tracing, Profiling)47.02 kB--
@sentry/browser (incl. Tracing, Replay)81.14 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags70.77 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)85.84 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)98.02 kB--
@sentry/browser (incl. Feedback)42.27 kB--
@sentry/browser (incl. sendFeedback)30.22 kB--
@sentry/browser (incl. FeedbackAsync)35.21 kB--
@sentry/browser (incl. Metrics)26.71 kB--
@sentry/browser (incl. Logs)26.85 kB--
@sentry/browser (incl. Metrics & Logs)27.53 kB--
@sentry/react27.3 kB--
@sentry/react (incl. Tracing)44.68 kB--
@sentry/vue29.98 kB--
@sentry/vue (incl. Tracing)44.2 kB--
@sentry/svelte25.55 kB--
CDN Bundle28.08 kB--
CDN Bundle (incl. Tracing)43.15 kB--
CDN Bundle (incl. Logs, Metrics)28.92 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)43.99 kB--
CDN Bundle (incl. Replay, Logs, Metrics)67.99 kB--
CDN Bundle (incl. Tracing, Replay)80.04 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)80.91 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)85.46 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)86.36 kB--
CDN Bundle - uncompressed82.12 kB--
CDN Bundle (incl. Tracing) - uncompressed127.83 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed84.95 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed130.66 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed208.62 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed244.71 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed247.53 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed257.51 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed260.32 kB--
@sentry/nextjs (client)47.02 kB--
@sentry/sveltekit (client)42.78 kB--
@sentry/node-core52.16 kB-0.05%-25 B 🔽
@sentry/node166.52 kB-0.01%-12 B 🔽
@sentry/node - without tracing93.96 kB-0.02%-14 B 🔽
@sentry/aws-serverless109.46 kB-0.02%-15 B 🔽
View base workflow run
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Feb 10, 2026•

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node-overhead report 🧳
Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.
ScenarioRequests/s% of BaselinePrev. Requests/sChange %
GET Baseline8,890-8,882+0%
GET With Sentry1,74320%1,756-1%
GET With Sentry (error only)6,17769%6,178-0%
POST Baseline1,198-1,182+1%
POST With Sentry60651%592+2%
POST With Sentry (error only)1,05788%1,038+2%
MYSQL Baseline3,336-3,315+1%
MYSQL With Sentry49115%446+10%
MYSQL With Sentry (error only)2,72382%2,680+2%
View base workflow run
@andreiborza
andreiborzaforce-pushed
the
ab/node-light-outgoing-trace-propagation
branch
from
003e99b to
8c3fd4dCompareFebruary 10, 2026 14:19
@andreiborza
Reduce duplication
baf4768
@andreiborza
Extract duplicated fetch/undici utils into shared file
c4dd8df
Both the full mode (SentryNodeFetchInstrumentation) and light mode
(nativeNodeFetchIntegration) duplicated identical logic for trace
propagation header injection, breadcrumb creation, and URL construction.
Extract these into a shared outgoingFetchRequest.ts utility.
@andreiborza
andreiborza
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Feb 18, 2026

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This PR has been split into three: #19254, #19258 and #19262. All of which were merged in already.
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@andreiborza@github-advanced-security

, '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
feat(node-core): Add outgoing trace propagation to light mode - #19251
Closed
andreiborza wants to merge 4 commits into
developfrom 
ab/node-light-outgoing-trace-propagation
Closed
feat(node-core): Add outgoing trace propagation to light mode#19251
andreiborza wants to merge 4 commits into
developfrom 
ab/node-light-outgoing-trace-propagation
Conversation
@andreiborza
@andreiborzaandreiborza
commented
Feb 10, 2026•

edited

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This PR adds outgoing trace propagation and breadcrumb creation to node-core/light.
  • extracted shouldPropagateTraceForUrl into @sentry/core (kept a re-export of it in @sentry/opentelemetry for backwards compatibility)
  • renamed the httpServerIntegration to httpIntegration to better reflect the changes, this now handles both incoming request isolation and outgoing trace propagation
  • added a fetch integration for outgoing trace propagation, based on undici:request:create / undici:request:headers diagnostics channels
  • extracted some of the http integration functions that both node-core and node-core/light use out into utils
Closes https://linear.app/getsentry/issue/FE-719/support-trace-continuation-for-outgoing-requestsfetch
@linear
linearBot
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Feb 10, 2026

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FE-719 Support trace continuation for outgoing requests/fetch
github-advanced-security[bot]
github-advanced-securityAI
found potential problems
Feb 10, 2026
View reviewed changes
Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-fetch/server.js
Fixed

Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-http/server.js
Fixed

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github-actionsBot
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Feb 10, 2026•

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Codecov Results 📊
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Codecov Results 📊
✅ 25 passed | ⏭️ 5 skipped | Total: 30 | Pass Rate: 83.33% | Execution Time: 12.70s
All tests are passing successfully.
Generated by Codecov Action
@github-actions
github-actionsBot
commented
Feb 10, 2026•

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size-limit report 📦
PathSize% ChangeChange
@sentry/browser25.53 kB--
@sentry/browser - with treeshaking flags24.05 kB--
@sentry/browser (incl. Tracing)42.36 kB--
@sentry/browser (incl. Tracing, Profiling)47.02 kB--
@sentry/browser (incl. Tracing, Replay)81.14 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags70.77 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)85.84 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)98.02 kB--
@sentry/browser (incl. Feedback)42.27 kB--
@sentry/browser (incl. sendFeedback)30.22 kB--
@sentry/browser (incl. FeedbackAsync)35.21 kB--
@sentry/browser (incl. Metrics)26.71 kB--
@sentry/browser (incl. Logs)26.85 kB--
@sentry/browser (incl. Metrics & Logs)27.53 kB--
@sentry/react27.3 kB--
@sentry/react (incl. Tracing)44.68 kB--
@sentry/vue29.98 kB--
@sentry/vue (incl. Tracing)44.2 kB--
@sentry/svelte25.55 kB--
CDN Bundle28.08 kB--
CDN Bundle (incl. Tracing)43.15 kB--
CDN Bundle (incl. Logs, Metrics)28.92 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)43.99 kB--
CDN Bundle (incl. Replay, Logs, Metrics)67.99 kB--
CDN Bundle (incl. Tracing, Replay)80.04 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)80.91 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)85.46 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)86.36 kB--
CDN Bundle - uncompressed82.12 kB--
CDN Bundle (incl. Tracing) - uncompressed127.83 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed84.95 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed130.66 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed208.62 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed244.71 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed247.53 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed257.51 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed260.32 kB--
@sentry/nextjs (client)47.02 kB--
@sentry/sveltekit (client)42.78 kB--
@sentry/node-core52.16 kB-0.05%-25 B 🔽
@sentry/node166.52 kB-0.01%-12 B 🔽
@sentry/node - without tracing93.96 kB-0.02%-14 B 🔽
@sentry/aws-serverless109.46 kB-0.02%-15 B 🔽
View base workflow run
@github-actions
github-actionsBot
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Feb 10, 2026•

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node-overhead report 🧳
Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.
ScenarioRequests/s% of BaselinePrev. Requests/sChange %
GET Baseline8,890-8,882+0%
GET With Sentry1,74320%1,756-1%
GET With Sentry (error only)6,17769%6,178-0%
POST Baseline1,198-1,182+1%
POST With Sentry60651%592+2%
POST With Sentry (error only)1,05788%1,038+2%
MYSQL Baseline3,336-3,315+1%
MYSQL With Sentry49115%446+10%
MYSQL With Sentry (error only)2,72382%2,680+2%
View base workflow run
@andreiborza
andreiborzaforce-pushed
the
ab/node-light-outgoing-trace-propagation
branch
from
003e99b to
8c3fd4dCompareFebruary 10, 2026 14:19
@andreiborza
Reduce duplication
baf4768
@andreiborza
Extract duplicated fetch/undici utils into shared file
c4dd8df
Both the full mode (SentryNodeFetchInstrumentation) and light mode
(nativeNodeFetchIntegration) duplicated identical logic for trace
propagation header injection, breadcrumb creation, and URL construction.
Extract these into a shared outgoingFetchRequest.ts utility.
@andreiborza
andreiborza
commented
Feb 18, 2026

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MemberAuthor
This PR has been split into three: #19254, #19258 and #19262. All of which were merged in already.
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2 participants

@andreiborza@github-advanced-security

, '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
feat(node-core): Add outgoing trace propagation to light mode - #19251
Closed
andreiborza wants to merge 4 commits into
developfrom 
ab/node-light-outgoing-trace-propagation
Closed
feat(node-core): Add outgoing trace propagation to light mode#19251
andreiborza wants to merge 4 commits into
developfrom 
ab/node-light-outgoing-trace-propagation
Conversation
@andreiborza
@andreiborzaandreiborza
commented
Feb 10, 2026•

edited

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This PR adds outgoing trace propagation and breadcrumb creation to node-core/light.
  • extracted shouldPropagateTraceForUrl into @sentry/core (kept a re-export of it in @sentry/opentelemetry for backwards compatibility)
  • renamed the httpServerIntegration to httpIntegration to better reflect the changes, this now handles both incoming request isolation and outgoing trace propagation
  • added a fetch integration for outgoing trace propagation, based on undici:request:create / undici:request:headers diagnostics channels
  • extracted some of the http integration functions that both node-core and node-core/light use out into utils
Closes https://linear.app/getsentry/issue/FE-719/support-trace-continuation-for-outgoing-requestsfetch
@linear
linearBot
commented
Feb 10, 2026

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FE-719 Support trace continuation for outgoing requests/fetch
github-advanced-security[bot]
github-advanced-securityAI
found potential problems
Feb 10, 2026
View reviewed changes
Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-fetch/server.js
Fixed

Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-http/server.js
Fixed

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Feb 10, 2026•

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Codecov Results 📊
Generated by Codecov Action
@github-actions
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Codecov Results 📊
✅ 25 passed | ⏭️ 5 skipped | Total: 30 | Pass Rate: 83.33% | Execution Time: 12.70s
All tests are passing successfully.
Generated by Codecov Action
@github-actions
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size-limit report 📦
PathSize% ChangeChange
@sentry/browser25.53 kB--
@sentry/browser - with treeshaking flags24.05 kB--
@sentry/browser (incl. Tracing)42.36 kB--
@sentry/browser (incl. Tracing, Profiling)47.02 kB--
@sentry/browser (incl. Tracing, Replay)81.14 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags70.77 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)85.84 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)98.02 kB--
@sentry/browser (incl. Feedback)42.27 kB--
@sentry/browser (incl. sendFeedback)30.22 kB--
@sentry/browser (incl. FeedbackAsync)35.21 kB--
@sentry/browser (incl. Metrics)26.71 kB--
@sentry/browser (incl. Logs)26.85 kB--
@sentry/browser (incl. Metrics & Logs)27.53 kB--
@sentry/react27.3 kB--
@sentry/react (incl. Tracing)44.68 kB--
@sentry/vue29.98 kB--
@sentry/vue (incl. Tracing)44.2 kB--
@sentry/svelte25.55 kB--
CDN Bundle28.08 kB--
CDN Bundle (incl. Tracing)43.15 kB--
CDN Bundle (incl. Logs, Metrics)28.92 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)43.99 kB--
CDN Bundle (incl. Replay, Logs, Metrics)67.99 kB--
CDN Bundle (incl. Tracing, Replay)80.04 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)80.91 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)85.46 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)86.36 kB--
CDN Bundle - uncompressed82.12 kB--
CDN Bundle (incl. Tracing) - uncompressed127.83 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed84.95 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed130.66 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed208.62 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed244.71 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed247.53 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed257.51 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed260.32 kB--
@sentry/nextjs (client)47.02 kB--
@sentry/sveltekit (client)42.78 kB--
@sentry/node-core52.16 kB-0.05%-25 B 🔽
@sentry/node166.52 kB-0.01%-12 B 🔽
@sentry/node - without tracing93.96 kB-0.02%-14 B 🔽
@sentry/aws-serverless109.46 kB-0.02%-15 B 🔽
View base workflow run
@github-actions
github-actionsBot
commented
Feb 10, 2026•

edited

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node-overhead report 🧳
Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.
ScenarioRequests/s% of BaselinePrev. Requests/sChange %
GET Baseline8,890-8,882+0%
GET With Sentry1,74320%1,756-1%
GET With Sentry (error only)6,17769%6,178-0%
POST Baseline1,198-1,182+1%
POST With Sentry60651%592+2%
POST With Sentry (error only)1,05788%1,038+2%
MYSQL Baseline3,336-3,315+1%
MYSQL With Sentry49115%446+10%
MYSQL With Sentry (error only)2,72382%2,680+2%
View base workflow run
@andreiborza
andreiborzaforce-pushed
the
ab/node-light-outgoing-trace-propagation
branch
from
003e99b to
8c3fd4dCompareFebruary 10, 2026 14:19
@andreiborza
Reduce duplication
baf4768
@andreiborza
Extract duplicated fetch/undici utils into shared file
c4dd8df
Both the full mode (SentryNodeFetchInstrumentation) and light mode
(nativeNodeFetchIntegration) duplicated identical logic for trace
propagation header injection, breadcrumb creation, and URL construction.
Extract these into a shared outgoingFetchRequest.ts utility.
@andreiborza
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Feb 18, 2026

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This PR has been split into three: #19254, #19258 and #19262. All of which were merged in already.
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, 'i');
if (__m === '*' || __re.test(location.href)) {
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
feat(node-core): Add outgoing trace propagation to light mode - #19251
Closed
andreiborza wants to merge 4 commits into
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ab/node-light-outgoing-trace-propagation
Closed
feat(node-core): Add outgoing trace propagation to light mode#19251
andreiborza wants to merge 4 commits into
developfrom 
ab/node-light-outgoing-trace-propagation
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@andreiborza
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Feb 10, 2026•

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This PR adds outgoing trace propagation and breadcrumb creation to node-core/light.
  • extracted shouldPropagateTraceForUrl into @sentry/core (kept a re-export of it in @sentry/opentelemetry for backwards compatibility)
  • renamed the httpServerIntegration to httpIntegration to better reflect the changes, this now handles both incoming request isolation and outgoing trace propagation
  • added a fetch integration for outgoing trace propagation, based on undici:request:create / undici:request:headers diagnostics channels
  • extracted some of the http integration functions that both node-core and node-core/light use out into utils
Closes https://linear.app/getsentry/issue/FE-719/support-trace-continuation-for-outgoing-requestsfetch
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Feb 10, 2026

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FE-719 Support trace continuation for outgoing requests/fetch
github-advanced-security[bot]
github-advanced-securityAI
found potential problems
Feb 10, 2026
View reviewed changes
Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-fetch/server.js
Fixed

Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-http/server.js
Fixed

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Codecov Results 📊
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Codecov Results 📊
✅ 25 passed | ⏭️ 5 skipped | Total: 30 | Pass Rate: 83.33% | Execution Time: 12.70s
All tests are passing successfully.
Generated by Codecov Action
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size-limit report 📦
PathSize% ChangeChange
@sentry/browser25.53 kB--
@sentry/browser - with treeshaking flags24.05 kB--
@sentry/browser (incl. Tracing)42.36 kB--
@sentry/browser (incl. Tracing, Profiling)47.02 kB--
@sentry/browser (incl. Tracing, Replay)81.14 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags70.77 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)85.84 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)98.02 kB--
@sentry/browser (incl. Feedback)42.27 kB--
@sentry/browser (incl. sendFeedback)30.22 kB--
@sentry/browser (incl. FeedbackAsync)35.21 kB--
@sentry/browser (incl. Metrics)26.71 kB--
@sentry/browser (incl. Logs)26.85 kB--
@sentry/browser (incl. Metrics & Logs)27.53 kB--
@sentry/react27.3 kB--
@sentry/react (incl. Tracing)44.68 kB--
@sentry/vue29.98 kB--
@sentry/vue (incl. Tracing)44.2 kB--
@sentry/svelte25.55 kB--
CDN Bundle28.08 kB--
CDN Bundle (incl. Tracing)43.15 kB--
CDN Bundle (incl. Logs, Metrics)28.92 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)43.99 kB--
CDN Bundle (incl. Replay, Logs, Metrics)67.99 kB--
CDN Bundle (incl. Tracing, Replay)80.04 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)80.91 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)85.46 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)86.36 kB--
CDN Bundle - uncompressed82.12 kB--
CDN Bundle (incl. Tracing) - uncompressed127.83 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed84.95 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed130.66 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed208.62 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed244.71 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed247.53 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed257.51 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed260.32 kB--
@sentry/nextjs (client)47.02 kB--
@sentry/sveltekit (client)42.78 kB--
@sentry/node-core52.16 kB-0.05%-25 B 🔽
@sentry/node166.52 kB-0.01%-12 B 🔽
@sentry/node - without tracing93.96 kB-0.02%-14 B 🔽
@sentry/aws-serverless109.46 kB-0.02%-15 B 🔽
View base workflow run
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Feb 10, 2026•

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node-overhead report 🧳
Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.
ScenarioRequests/s% of BaselinePrev. Requests/sChange %
GET Baseline8,890-8,882+0%
GET With Sentry1,74320%1,756-1%
GET With Sentry (error only)6,17769%6,178-0%
POST Baseline1,198-1,182+1%
POST With Sentry60651%592+2%
POST With Sentry (error only)1,05788%1,038+2%
MYSQL Baseline3,336-3,315+1%
MYSQL With Sentry49115%446+10%
MYSQL With Sentry (error only)2,72382%2,680+2%
View base workflow run
@andreiborza
andreiborzaforce-pushed
the
ab/node-light-outgoing-trace-propagation
branch
from
003e99b to
8c3fd4dCompareFebruary 10, 2026 14:19
@andreiborza
Reduce duplication
baf4768
@andreiborza
Extract duplicated fetch/undici utils into shared file
c4dd8df
Both the full mode (SentryNodeFetchInstrumentation) and light mode
(nativeNodeFetchIntegration) duplicated identical logic for trace
propagation header injection, breadcrumb creation, and URL construction.
Extract these into a shared outgoingFetchRequest.ts utility.
@andreiborza
andreiborza
commented
Feb 18, 2026

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MemberAuthor
This PR has been split into three: #19254, #19258 and #19262. All of which were merged in already.
Sign up for freeto join this conversation on GitHub.
Already have an account?
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Successfully merging this pull request may close these issues.

2 participants

@andreiborza@github-advanced-security

, '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); }
})();
})();

Skip to content
feat(node-core): Add outgoing trace propagation to light mode - #19251
Closed
andreiborza wants to merge 4 commits into
developfrom 
ab/node-light-outgoing-trace-propagation
Closed
feat(node-core): Add outgoing trace propagation to light mode#19251
andreiborza wants to merge 4 commits into
developfrom 
ab/node-light-outgoing-trace-propagation
Conversation
@andreiborza
@andreiborzaandreiborza
commented
Feb 10, 2026•

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This PR adds outgoing trace propagation and breadcrumb creation to node-core/light.
  • extracted shouldPropagateTraceForUrl into @sentry/core (kept a re-export of it in @sentry/opentelemetry for backwards compatibility)
  • renamed the httpServerIntegration to httpIntegration to better reflect the changes, this now handles both incoming request isolation and outgoing trace propagation
  • added a fetch integration for outgoing trace propagation, based on undici:request:create / undici:request:headers diagnostics channels
  • extracted some of the http integration functions that both node-core and node-core/light use out into utils
Closes https://linear.app/getsentry/issue/FE-719/support-trace-continuation-for-outgoing-requestsfetch
@linear
linearBot
commented
Feb 10, 2026

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FE-719 Support trace continuation for outgoing requests/fetch
github-advanced-security[bot]
github-advanced-securityAI
found potential problems
Feb 10, 2026
View reviewed changes
Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-fetch/server.js
Fixed

Comment threaddev-packages/node-core-integration-tests/suites/light-mode/outgoing-http/server.js
Fixed

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Feb 10, 2026•

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Codecov Results 📊
Generated by Codecov Action
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Feb 10, 2026

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Codecov Results 📊
✅ 25 passed | ⏭️ 5 skipped | Total: 30 | Pass Rate: 83.33% | Execution Time: 12.70s
All tests are passing successfully.
Generated by Codecov Action
@github-actions
github-actionsBot
commented
Feb 10, 2026•

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size-limit report 📦
PathSize% ChangeChange
@sentry/browser25.53 kB--
@sentry/browser - with treeshaking flags24.05 kB--
@sentry/browser (incl. Tracing)42.36 kB--
@sentry/browser (incl. Tracing, Profiling)47.02 kB--
@sentry/browser (incl. Tracing, Replay)81.14 kB--
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags70.77 kB--
@sentry/browser (incl. Tracing, Replay with Canvas)85.84 kB--
@sentry/browser (incl. Tracing, Replay, Feedback)98.02 kB--
@sentry/browser (incl. Feedback)42.27 kB--
@sentry/browser (incl. sendFeedback)30.22 kB--
@sentry/browser (incl. FeedbackAsync)35.21 kB--
@sentry/browser (incl. Metrics)26.71 kB--
@sentry/browser (incl. Logs)26.85 kB--
@sentry/browser (incl. Metrics & Logs)27.53 kB--
@sentry/react27.3 kB--
@sentry/react (incl. Tracing)44.68 kB--
@sentry/vue29.98 kB--
@sentry/vue (incl. Tracing)44.2 kB--
@sentry/svelte25.55 kB--
CDN Bundle28.08 kB--
CDN Bundle (incl. Tracing)43.15 kB--
CDN Bundle (incl. Logs, Metrics)28.92 kB--
CDN Bundle (incl. Tracing, Logs, Metrics)43.99 kB--
CDN Bundle (incl. Replay, Logs, Metrics)67.99 kB--
CDN Bundle (incl. Tracing, Replay)80.04 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics)80.91 kB--
CDN Bundle (incl. Tracing, Replay, Feedback)85.46 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics)86.36 kB--
CDN Bundle - uncompressed82.12 kB--
CDN Bundle (incl. Tracing) - uncompressed127.83 kB--
CDN Bundle (incl. Logs, Metrics) - uncompressed84.95 kB--
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed130.66 kB--
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed208.62 kB--
CDN Bundle (incl. Tracing, Replay) - uncompressed244.71 kB--
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed247.53 kB--
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed257.51 kB--
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed260.32 kB--
@sentry/nextjs (client)47.02 kB--
@sentry/sveltekit (client)42.78 kB--
@sentry/node-core52.16 kB-0.05%-25 B 🔽
@sentry/node166.52 kB-0.01%-12 B 🔽
@sentry/node - without tracing93.96 kB-0.02%-14 B 🔽
@sentry/aws-serverless109.46 kB-0.02%-15 B 🔽
View base workflow run
@github-actions
github-actionsBot
commented
Feb 10, 2026•

edited

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node-overhead report 🧳
Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.
ScenarioRequests/s% of BaselinePrev. Requests/sChange %
GET Baseline8,890-8,882+0%
GET With Sentry1,74320%1,756-1%
GET With Sentry (error only)6,17769%6,178-0%
POST Baseline1,198-1,182+1%
POST With Sentry60651%592+2%
POST With Sentry (error only)1,05788%1,038+2%
MYSQL Baseline3,336-3,315+1%
MYSQL With Sentry49115%446+10%
MYSQL With Sentry (error only)2,72382%2,680+2%
View base workflow run
@andreiborza
andreiborzaforce-pushed
the
ab/node-light-outgoing-trace-propagation
branch
from
003e99b to
8c3fd4dCompareFebruary 10, 2026 14:19
@andreiborza
Reduce duplication
baf4768
@andreiborza
Extract duplicated fetch/undici utils into shared file
c4dd8df
Both the full mode (SentryNodeFetchInstrumentation) and light mode
(nativeNodeFetchIntegration) duplicated identical logic for trace
propagation header injection, breadcrumb creation, and URL construction.
Extract these into a shared outgoingFetchRequest.ts utility.
@andreiborza
andreiborza
commented
Feb 18, 2026

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MemberAuthor
This PR has been split into three: #19254, #19258 and #19262. All of which were merged in already.
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@andreiborza@github-advanced-security