fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled - #19333

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fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled#19333
chargome merged 1 commit into
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cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of

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When users bring their own OpenTelemetry setup, we were still mutating their OTel spans by setting sentry.drop_transaction as a span attribute.

Added early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() to skip span mutation when skipOpenTelemetrySetup is enabled

closes#19169

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JS-1640 Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry

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Comment threadpackages/nextjs/src/common/utils/tracingUtils.ts
// mutate their spans with Sentry-internal attributes like `sentry.drop_transaction`
if ((getClient()?.getOptions() as { skipOpenTelemetrySetup?: boolean } | undefined)?.skipOpenTelemetrySetup) {
return;
}

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Fix PR lacks regression tests for the change

Low Severity

This fix PR adds early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() when skipOpenTelemetrySetup is enabled, but includes no unit, integration, or e2e tests verifying the regression. Per the review rules, fix PRs need at least one test that would have failed before the fix and passes after it. Adding tests for both functions to confirm spans are not mutated when skipOpenTelemetrySetup is true would help prevent future regressions.

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Fix in CursorFix in Web

Triggered by project rule: PR Review Guidelines for Cursor Bot

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chargome merged commit 526c3ec into developFeb 17, 2026
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chargome deleted the cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of branch February 17, 2026 16:18
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Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry

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, '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
fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled - #19333
Merged
chargome merged 1 commit into
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cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of
Feb 17, 2026
Merged
fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled#19333
chargome merged 1 commit into
developfrom 
cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of
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When users bring their own OpenTelemetry setup, we were still mutating their OTel spans by setting sentry.drop_transaction as a span attribute.
Added early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() to skip span mutation when skipOpenTelemetrySetup is enabled
closes#19169
@chargomechargome
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Feb 16, 2026
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JS-1640 Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry
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Cursor Bugbot has reviewed your changes and found 1 potential issue.
Bugbot Autofix is OFF. To automatically fix reported issues with Cloud Agents, enable Autofix in the Cursor dashboard.
Comment threadpackages/nextjs/src/common/utils/tracingUtils.ts
 // mutate their spans with Sentry-internal attributes like `sentry.drop_transaction`
 if ((getClient()?.getOptions() as { skipOpenTelemetrySetup?: boolean } | undefined)?.skipOpenTelemetrySetup) {
 return;
 }
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Fix PR lacks regression tests for the change
Low Severity
This fix PR adds early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() when skipOpenTelemetrySetup is enabled, but includes no unit, integration, or e2e tests verifying the regression. Per the review rules, fix PRs need at least one test that would have failed before the fix and passes after it. Adding tests for both functions to confirm spans are not mutated when skipOpenTelemetrySetup is true would help prevent future regressions.
Additional Locations (1)
Fix in CursorFix in Web
Triggered by project rule: PR Review Guidelines for Cursor Bot
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chargome
merged commit 526c3ec
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developFeb 17, 2026

70 checks passed

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chargome
deleted the

cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of

branch
February 17, 2026 16:18
@logaretmlogaretm
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Feb 20, 2026
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Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry


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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled - #19333
Merged
chargome merged 1 commit into
developfrom 
cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of
Feb 17, 2026
Merged
fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled#19333
chargome merged 1 commit into
developfrom 
cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of
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@chargome
@chargomechargome
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Feb 16, 2026

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When users bring their own OpenTelemetry setup, we were still mutating their OTel spans by setting sentry.drop_transaction as a span attribute.
Added early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() to skip span mutation when skipOpenTelemetrySetup is enabled
closes#19169
@chargomechargome
self-assigned this
Feb 16, 2026
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JS-1640 Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry
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reviewed
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Cursor Bugbot has reviewed your changes and found 1 potential issue.
Bugbot Autofix is OFF. To automatically fix reported issues with Cloud Agents, enable Autofix in the Cursor dashboard.
Comment threadpackages/nextjs/src/common/utils/tracingUtils.ts
 // mutate their spans with Sentry-internal attributes like `sentry.drop_transaction`
 if ((getClient()?.getOptions() as { skipOpenTelemetrySetup?: boolean } | undefined)?.skipOpenTelemetrySetup) {
 return;
 }
@cursorcursorBotFeb 16, 2026

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Fix PR lacks regression tests for the change
Low Severity
This fix PR adds early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() when skipOpenTelemetrySetup is enabled, but includes no unit, integration, or e2e tests verifying the regression. Per the review rules, fix PRs need at least one test that would have failed before the fix and passes after it. Adding tests for both functions to confirm spans are not mutated when skipOpenTelemetrySetup is true would help prevent future regressions.
Additional Locations (1)
Fix in CursorFix in Web
Triggered by project rule: PR Review Guidelines for Cursor Bot
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Feb 16, 2026•

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chargome
merged commit 526c3ec
into
developFeb 17, 2026

70 checks passed

@chargome
chargome
deleted the

cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of

branch
February 17, 2026 16:18
@logaretmlogaretm
mentioned this pull request
Feb 20, 2026
 Closed

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mentioned this pull request
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Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry


2 participants

@chargome@logaretm

, '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
fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled - #19333
Merged
chargome merged 1 commit into
developfrom 
cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of
Feb 17, 2026
Merged
fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled#19333
chargome merged 1 commit into
developfrom 
cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of
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Feb 16, 2026

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When users bring their own OpenTelemetry setup, we were still mutating their OTel spans by setting sentry.drop_transaction as a span attribute.
Added early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() to skip span mutation when skipOpenTelemetrySetup is enabled
closes#19169
@chargomechargome
self-assigned this
Feb 16, 2026
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JS-1640 Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry
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reviewed
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Cursor Bugbot has reviewed your changes and found 1 potential issue.
Bugbot Autofix is OFF. To automatically fix reported issues with Cloud Agents, enable Autofix in the Cursor dashboard.
Comment threadpackages/nextjs/src/common/utils/tracingUtils.ts
 // mutate their spans with Sentry-internal attributes like `sentry.drop_transaction`
 if ((getClient()?.getOptions() as { skipOpenTelemetrySetup?: boolean } | undefined)?.skipOpenTelemetrySetup) {
 return;
 }
@cursorcursorBotFeb 16, 2026

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Fix PR lacks regression tests for the change
Low Severity
This fix PR adds early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() when skipOpenTelemetrySetup is enabled, but includes no unit, integration, or e2e tests verifying the regression. Per the review rules, fix PRs need at least one test that would have failed before the fix and passes after it. Adding tests for both functions to confirm spans are not mutated when skipOpenTelemetrySetup is true would help prevent future regressions.
Additional Locations (1)
Fix in CursorFix in Web
Triggered by project rule: PR Review Guidelines for Cursor Bot
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merged commit 526c3ec
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developFeb 17, 2026

70 checks passed

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deleted the

cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of

branch
February 17, 2026 16:18
@logaretmlogaretm
mentioned this pull request
Feb 20, 2026
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Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry


2 participants

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

Skip to content
fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled - #19333
Merged
chargome merged 1 commit into
developfrom 
cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of
Feb 17, 2026
Merged
fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled#19333
chargome merged 1 commit into
developfrom 
cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of
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When users bring their own OpenTelemetry setup, we were still mutating their OTel spans by setting sentry.drop_transaction as a span attribute.
Added early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() to skip span mutation when skipOpenTelemetrySetup is enabled
closes#19169
@chargomechargome
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Feb 16, 2026
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JS-1640 Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry
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Cursor Bugbot has reviewed your changes and found 1 potential issue.
Bugbot Autofix is OFF. To automatically fix reported issues with Cloud Agents, enable Autofix in the Cursor dashboard.
Comment threadpackages/nextjs/src/common/utils/tracingUtils.ts
 // mutate their spans with Sentry-internal attributes like `sentry.drop_transaction`
 if ((getClient()?.getOptions() as { skipOpenTelemetrySetup?: boolean } | undefined)?.skipOpenTelemetrySetup) {
 return;
 }
@cursorcursorBotFeb 16, 2026

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Fix PR lacks regression tests for the change
Low Severity
This fix PR adds early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() when skipOpenTelemetrySetup is enabled, but includes no unit, integration, or e2e tests verifying the regression. Per the review rules, fix PRs need at least one test that would have failed before the fix and passes after it. Adding tests for both functions to confirm spans are not mutated when skipOpenTelemetrySetup is true would help prevent future regressions.
Additional Locations (1)
Fix in CursorFix in Web
Triggered by project rule: PR Review Guidelines for Cursor Bot
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chargome
merged commit 526c3ec
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70 checks passed

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chargome
deleted the

cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of

branch
February 17, 2026 16:18
@logaretmlogaretm
mentioned this pull request
Feb 20, 2026
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Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry


2 participants

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, '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
fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled - #19333
Merged
chargome merged 1 commit into
developfrom 
cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of
Feb 17, 2026
Merged
fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled#19333
chargome merged 1 commit into
developfrom 
cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of
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Feb 16, 2026

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When users bring their own OpenTelemetry setup, we were still mutating their OTel spans by setting sentry.drop_transaction as a span attribute.
Added early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() to skip span mutation when skipOpenTelemetrySetup is enabled
closes#19169
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JS-1640 Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry
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Cursor Bugbot has reviewed your changes and found 1 potential issue.
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Comment threadpackages/nextjs/src/common/utils/tracingUtils.ts
 // mutate their spans with Sentry-internal attributes like `sentry.drop_transaction`
 if ((getClient()?.getOptions() as { skipOpenTelemetrySetup?: boolean } | undefined)?.skipOpenTelemetrySetup) {
 return;
 }
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Fix PR lacks regression tests for the change
Low Severity
This fix PR adds early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() when skipOpenTelemetrySetup is enabled, but includes no unit, integration, or e2e tests verifying the regression. Per the review rules, fix PRs need at least one test that would have failed before the fix and passes after it. Adding tests for both functions to confirm spans are not mutated when skipOpenTelemetrySetup is true would help prevent future regressions.
Additional Locations (1)
Fix in CursorFix in Web
Triggered by project rule: PR Review Guidelines for Cursor Bot
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Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry


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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('^' + ".*" + '

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fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled - #19333
Merged
chargome merged 1 commit into
developfrom 
cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of
Feb 17, 2026
Merged
fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled#19333
chargome merged 1 commit into
developfrom 
cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of
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When users bring their own OpenTelemetry setup, we were still mutating their OTel spans by setting sentry.drop_transaction as a span attribute.
Added early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() to skip span mutation when skipOpenTelemetrySetup is enabled
closes#19169
@chargomechargome
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Feb 16, 2026
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JS-1640 Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry
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Feb 16, 2026
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Cursor Bugbot has reviewed your changes and found 1 potential issue.
Bugbot Autofix is OFF. To automatically fix reported issues with Cloud Agents, enable Autofix in the Cursor dashboard.
Comment threadpackages/nextjs/src/common/utils/tracingUtils.ts
 // mutate their spans with Sentry-internal attributes like `sentry.drop_transaction`
 if ((getClient()?.getOptions() as { skipOpenTelemetrySetup?: boolean } | undefined)?.skipOpenTelemetrySetup) {
 return;
 }
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Fix PR lacks regression tests for the change
Low Severity
This fix PR adds early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() when skipOpenTelemetrySetup is enabled, but includes no unit, integration, or e2e tests verifying the regression. Per the review rules, fix PRs need at least one test that would have failed before the fix and passes after it. Adding tests for both functions to confirm spans are not mutated when skipOpenTelemetrySetup is true would help prevent future regressions.
Additional Locations (1)
Fix in CursorFix in Web
Triggered by project rule: PR Review Guidelines for Cursor Bot
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Feb 16, 2026•

edited

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chargome
merged commit 526c3ec
into
developFeb 17, 2026

70 checks passed

@chargome
chargome
deleted the

cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of

branch
February 17, 2026 16:18
@logaretmlogaretm
mentioned this pull request
Feb 20, 2026
 Closed

@github-actionsgithub-actionsBot
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Feb 24, 2026

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Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry


2 participants

@chargome@logaretm

, '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
fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled - #19333
Merged
chargome merged 1 commit into
developfrom 
cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of
Feb 17, 2026
Merged
fix(nextjs): Don't set sentry.drop_transaction attribute on spans when skipOpenTelemetrySetup is enabled#19333
chargome merged 1 commit into
developfrom 
cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of
Conversation
@chargome
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Feb 16, 2026

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When users bring their own OpenTelemetry setup, we were still mutating their OTel spans by setting sentry.drop_transaction as a span attribute.
Added early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() to skip span mutation when skipOpenTelemetrySetup is enabled
closes#19169
@chargomechargome
self-assigned this
Feb 16, 2026
@linear
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Feb 16, 2026

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JS-1640 Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry
cursor[bot]
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reviewed
Feb 16, 2026
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Cursor Bugbot has reviewed your changes and found 1 potential issue.
Bugbot Autofix is OFF. To automatically fix reported issues with Cloud Agents, enable Autofix in the Cursor dashboard.
Comment threadpackages/nextjs/src/common/utils/tracingUtils.ts
 // mutate their spans with Sentry-internal attributes like `sentry.drop_transaction`
 if ((getClient()?.getOptions() as { skipOpenTelemetrySetup?: boolean } | undefined)?.skipOpenTelemetrySetup) {
 return;
 }
@cursorcursorBotFeb 16, 2026

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Fix PR lacks regression tests for the change
Low Severity
This fix PR adds early returns in dropNextjsRootContext() and dropMiddlewareTunnelRequests() when skipOpenTelemetrySetup is enabled, but includes no unit, integration, or e2e tests verifying the regression. Per the review rules, fix PRs need at least one test that would have failed before the fix and passes after it. Adding tests for both functions to confirm spans are not mutated when skipOpenTelemetrySetup is true would help prevent future regressions.
Additional Locations (1)
Fix in CursorFix in Web
Triggered by project rule: PR Review Guidelines for Cursor Bot
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commented
Feb 16, 2026•

edited

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@chargome
chargome
merged commit 526c3ec
into
developFeb 17, 2026

70 checks passed

@chargome
chargome
deleted the

cg/JS-1640/sentry-sdk-adding-sentrydrop-transaction-attribute-to-the-trace-of

branch
February 17, 2026 16:18
@logaretmlogaretm
mentioned this pull request
Feb 20, 2026
 Closed

@github-actionsgithub-actionsBot
mentioned this pull request
Feb 24, 2026

Closed

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Sentry SDK adding 'sentry.drop_transaction` attribute to the trace of NextJs app instrumented with Open Telemetry


2 participants

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