fix(tracing): Fix orphaned TTID/TTFD spans in the trace view by antonis · Pull Request #6437 · getsentry/sentry-react-native

antonis · 2026-07-10T09:30:43Z

📢 Type of change

Bugfix
New feature
Enhancement
Refactoring

📜 Description

The fix threads the parent transaction's trace_id (read once from event.contexts.trace.trace_id in processEvent) into all three createSpanJSON call sites: addTimeToInitialDisplay (manual), addAutomaticTimeToInitialDisplay, and addTimeToFullDisplay.

💡 Motivation and Context

Fixes #6432.

💚 How did you test it?

Added a regression test asserting the automatic TTID span inherits both trace_id and parent_span_id from the transaction (reactnavigation.ttid.test.tsx).
Extended the existing TTID/TTFD span assertions in timetodisplay.test.tsx to check trace_id matches the transaction's.
Full suite green: 1698 tests / 126 suites. Lint, circular-dep, and API report all clean.

📝 Checklist

I added tests to verify changes.
No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
I updated the docs if needed.
I updated the wizard if needed.
All tests passing.
Public API changes reviewed by another Mobile SDK team member or implemented according to the develop docs spec.
No breaking changes.

🔮 Next steps

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

github-actions · 2026-07-10T09:31:08Z

Semver Impact of This PR

⚪ None (no version bump detected)

📋 Changelog Preview

This is how your changes will appear in the changelog.
Entries from this PR are highlighted with a left border (blockquote style).

fix(tracing): Fix orphaned TTID/TTFD spans in the trace view by antonis in #6437

chore(deps): bump actions/setup-java from 5.5.0 to 5.6.0 by dependabot in #6476
release: 8.19.0 by alwx in b57f2519
chore(deps): bump ruby/setup-ruby from 1.316.0 to 1.319.0 by dependabot in #6462
chore(deps): update Sentry Android Gradle Plugin to v6.15.0 by github-actions in #6464
fix(tracing): Retry expoRouterIntegration navigationRef lookup by alwx in #6451
feat(core): Aggregate TurboModule call counts and latency per (module, method, kind) by alwx in #6377
chore(deps): bump the codeql-action group with 2 updates by dependabot in #6461
fix(core): Fix stale route when reactNavigationIntegration uses a route override provider by alwx in #6458
chore(deps): update Android SDK to v8.49.0 by github-actions in #6459
feat(android): Add enableHistoricalTombstoneReporting option by Cryptoteep in #6450
docs(sdk-versions): Add 8.14.2 row to main by alwx in #6456
docs(changelog): Add 8.14.2 changelog entry by alwx in #6455
chore(deps): bump ruby/setup-ruby from 1.314.0 to 1.316.0 by dependabot in #6446
chore(deps): bump actions/setup-java from 5.3.0 to 5.5.0 by dependabot in #6444
chore(deps): bump github/codeql-action/analyze from 4.36.3 to 4.37.0 by dependabot in #6443
chore(deps): bump dorny/paths-filter from 4.0.1 to 4.0.2 by dependabot in #6442
chore(deps): update JavaScript SDK to v10.65.0 by github-actions in #6441
fix(ios): Break RNSentryOnDrawReporterView retain cycle in emit-new-frame block by alwx in #6449
refactor(ios): Migrate from PrivateSentrySDKOnly to SentrySDK.internal by alwx in #6380
docs: Improve PR template guidance by sentry-junior in #6447
fix(ios): Resolve getNewScreenTimeToDisplay Promise with number not array by antonis in #6438
fix(feedback): Guard show/hide against uninitialized _setVisibility by antonis in #6435
fix(tracing): Fix orphaned TTID/TTFD spans in the trace view by antonis in #6437

Plus 8 more

_{🤖 This preview updates automatically when you update the PR.}

cursor

✅ Bugbot reviewed your changes and found no new issues!

Comment @cursor review or bugbot run to trigger another review on this PR

^{Reviewed by Cursor Bugbot for commit 315a163. Configure here.}

TTID/TTFD spans created in the TimeToDisplay integration passed `parent_span_id` but no `trace_id`, so `createSpanJSON` minted a random `uuid4()` trace_id. Sentry groups spans by `trace_id` first, so the spans rendered as orphaned top-level traces despite a correct `parent_span_id`. Thread the transaction's `trace_id` (from `event.contexts.trace.trace_id`) into all three `createSpanJSON` call sites, matching the pattern already used by the app start integration and `createChildSpanJSON`. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

cursor

✅ Bugbot reviewed your changes and found no new issues!

Comment @cursor review or bugbot run to trigger another review on this PR

^{Reviewed by Cursor Bugbot for commit d9451ff. Configure here.}

github-actions · 2026-07-10T10:24:03Z

Android (legacy) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	414.64 ms	470.69 ms	56.05 ms
Size	49.74 MiB	55.26 MiB	5.52 MiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
`f3215d3`+dirty	411.11 ms	454.38 ms	43.27 ms
`d2eadf8`+dirty	414.64 ms	454.56 ms	39.92 ms
`b0d3373`+dirty	557.66 ms	579.42 ms	21.76 ms
`27d9693`+dirty	419.08 ms	469.12 ms	50.04 ms
`4e0b819`+dirty	420.56 ms	470.08 ms	49.52 ms
`9474ead`+dirty	411.45 ms	446.80 ms	35.35 ms
`0bd8916`+dirty	412.77 ms	451.31 ms	38.54 ms
`f9c1ed4`+dirty	431.00 ms	466.22 ms	35.22 ms
`3d536d1`+dirty	524.34 ms	547.32 ms	22.98 ms
`04207c4`+dirty	459.19 ms	518.54 ms	59.35 ms

App size

Revision	Plain	With Sentry	Diff
`f3215d3`+dirty	48.30 MiB	53.49 MiB	5.19 MiB
`d2eadf8`+dirty	48.30 MiB	53.48 MiB	5.18 MiB
`b0d3373`+dirty	48.30 MiB	53.58 MiB	5.28 MiB
`27d9693`+dirty	49.74 MiB	55.09 MiB	5.34 MiB
`4e0b819`+dirty	49.74 MiB	54.81 MiB	5.07 MiB
`9474ead`+dirty	48.30 MiB	53.61 MiB	5.30 MiB
`0bd8916`+dirty	48.30 MiB	53.57 MiB	5.26 MiB
`f9c1ed4`+dirty	49.74 MiB	54.86 MiB	5.12 MiB
`3d536d1`+dirty	49.74 MiB	55.26 MiB	5.52 MiB
`04207c4`+dirty	43.75 MiB	48.12 MiB	4.37 MiB

sentry · 2026-07-10T10:24:09Z

📲 Install Builds

Android

🔗 App Name	App ID	Version	Configuration
Sentry RN	io.sentry.reactnative.sample	8.18.0 (98)	Release

⚙️ sentry-react-native Build Distribution Settings

github-actions · 2026-07-10T10:28:14Z

iOS (legacy) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	3840.88 ms	1223.73 ms	-2617.15 ms
Size	4.98 MiB	6.53 MiB	1.55 MiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
`b9bebee`+dirty	3850.15 ms	1227.51 ms	-2622.64 ms
`3d377b5`+dirty	1218.48 ms	1219.51 ms	1.03 ms
`1a2e7e0`+dirty	3842.49 ms	1220.04 ms	-2622.45 ms
`e5bb5f6`+dirty	3826.14 ms	1212.24 ms	-2613.90 ms
`6acdf1d`+dirty	3844.33 ms	1212.96 ms	-2631.38 ms
`41d6254`+dirty	3845.71 ms	1224.51 ms	-2621.20 ms
`9210ae6`+dirty	3815.93 ms	1214.14 ms	-2601.79 ms
`c004dae`+dirty	3850.32 ms	1227.79 ms	-2622.53 ms
`4e0b819`+dirty	3839.05 ms	1210.75 ms	-2628.30 ms
`0b5120f`+dirty	3838.39 ms	1232.91 ms	-2605.48 ms

App size

Revision	Plain	With Sentry	Diff
`b9bebee`+dirty	5.15 MiB	6.68 MiB	1.53 MiB
`3d377b5`+dirty	3.38 MiB	4.76 MiB	1.38 MiB
`1a2e7e0`+dirty	4.98 MiB	6.46 MiB	1.49 MiB
`e5bb5f6`+dirty	4.98 MiB	6.51 MiB	1.53 MiB
`6acdf1d`+dirty	4.98 MiB	6.51 MiB	1.53 MiB
`41d6254`+dirty	5.15 MiB	6.70 MiB	1.54 MiB
`9210ae6`+dirty	5.15 MiB	6.68 MiB	1.53 MiB
`c004dae`+dirty	5.15 MiB	6.67 MiB	1.51 MiB
`4e0b819`+dirty	4.98 MiB	6.46 MiB	1.49 MiB
`0b5120f`+dirty	5.15 MiB	6.68 MiB	1.53 MiB

github-actions · 2026-07-10T10:36:32Z

iOS (new) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	3838.30 ms	1217.62 ms	-2620.68 ms
Size	4.98 MiB	6.53 MiB	1.55 MiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
`b0d3373`+dirty	3842.49 ms	1218.49 ms	-2624.00 ms
`ef27341`+dirty	3835.20 ms	1212.23 ms	-2622.97 ms
`e5bb5f6`+dirty	3825.74 ms	1217.30 ms	-2608.43 ms
`44c8b3f`+dirty	3849.24 ms	1209.94 ms	-2639.31 ms
`68672fc`+dirty	3832.22 ms	1228.29 ms	-2603.93 ms
`5748023`+dirty	3844.74 ms	1225.49 ms	-2619.26 ms
`6acdf1d`+dirty	3835.35 ms	1218.30 ms	-2617.06 ms
`2c735cc`+dirty	1223.33 ms	1224.38 ms	1.04 ms
`100ce80`+dirty	3843.57 ms	1226.46 ms	-2617.12 ms
`9210ae6`+dirty	3834.11 ms	1216.64 ms	-2617.47 ms

App size

Revision	Plain	With Sentry	Diff
`b0d3373`+dirty	5.15 MiB	6.68 MiB	1.53 MiB
`ef27341`+dirty	5.15 MiB	6.68 MiB	1.53 MiB
`e5bb5f6`+dirty	4.98 MiB	6.51 MiB	1.53 MiB
`44c8b3f`+dirty	5.15 MiB	6.66 MiB	1.51 MiB
`68672fc`+dirty	5.15 MiB	6.71 MiB	1.55 MiB
`5748023`+dirty	5.15 MiB	6.68 MiB	1.53 MiB
`6acdf1d`+dirty	4.98 MiB	6.51 MiB	1.53 MiB
`2c735cc`+dirty	3.38 MiB	4.74 MiB	1.35 MiB
`100ce80`+dirty	5.15 MiB	6.67 MiB	1.51 MiB
`9210ae6`+dirty	5.15 MiB	6.68 MiB	1.53 MiB

github-actions · 2026-07-10T11:07:46Z

Android (new) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	460.92 ms	501.94 ms	41.02 ms
Size	49.74 MiB	55.26 MiB	5.52 MiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
`a50b33d`+dirty	353.21 ms	398.48 ms	45.27 ms
`d038a14`+dirty	405.08 ms	444.36 ms	39.28 ms
`68672fc`+dirty	407.55 ms	442.96 ms	35.41 ms
`ad66da3`+dirty	411.49 ms	449.38 ms	37.89 ms
`f170ec3`+dirty	505.96 ms	551.88 ms	45.92 ms
`27d9693`+dirty	438.63 ms	514.08 ms	75.46 ms
`41d6254`+dirty	406.20 ms	445.52 ms	39.32 ms
`68ae91b`+dirty	515.04 ms	578.08 ms	63.04 ms
`5ee78d6`+dirty	411.18 ms	437.83 ms	26.65 ms
`ae37560`+dirty	428.96 ms	456.86 ms	27.90 ms

App size

Revision	Plain	With Sentry	Diff
`a50b33d`+dirty	43.94 MiB	48.94 MiB	5.00 MiB
`d038a14`+dirty	48.30 MiB	53.49 MiB	5.19 MiB
`68672fc`+dirty	48.30 MiB	53.61 MiB	5.31 MiB
`ad66da3`+dirty	48.30 MiB	53.49 MiB	5.19 MiB
`f170ec3`+dirty	48.30 MiB	53.57 MiB	5.26 MiB
`27d9693`+dirty	49.74 MiB	55.09 MiB	5.34 MiB
`41d6254`+dirty	48.30 MiB	53.60 MiB	5.30 MiB
`68ae91b`+dirty	49.74 MiB	54.79 MiB	5.05 MiB
`5ee78d6`+dirty	48.30 MiB	53.58 MiB	5.28 MiB
`ae37560`+dirty	48.30 MiB	53.60 MiB	5.29 MiB

github-actions · 2026-07-21T06:21:53Z

	Fails
🚫	Please consider adding a changelog entry for the next release.

Instructions and example for changelog

Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

Example:

## Unreleased

### Fixes

- Fix orphaned TTID/TTFD spans in the trace view ([#6437](https://github.com/getsentry/sentry-react-native/pull/6437))

If none of the above apply, you can opt out of this check by adding #skip-changelog to the PR description or adding a skip-changelog label.

Generated by 🚫 dangerJS against d9451ff

antonis added a commit that referenced this pull request Jul 10, 2026

docs: Point changelog entry at PR #6437

511ece9

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

antonis changed the title ~~fix(tracing): Inherit transaction trace_id on TTID/TTFD spans~~ fix(tracing): Fix orphaned TTID/TTFD spans in the trace view Jul 10, 2026

antonis force-pushed the fix/ttid-ttfd-trace-id-6432 branch from 9c90e4f to 315a163 Compare July 10, 2026 09:34

cursor Bot reviewed Jul 10, 2026

View reviewed changes

sentry Bot reviewed Jul 10, 2026

View reviewed changes

Comment thread packages/core/src/js/tracing/integrations/timeToDisplayIntegration.ts Outdated

antonis force-pushed the fix/ttid-ttfd-trace-id-6432 branch from 315a163 to d9451ff Compare July 10, 2026 10:11

antonis added the ready-to-merge Triggers the full CI test suite label Jul 10, 2026

cursor Bot reviewed Jul 10, 2026

View reviewed changes

antonis marked this pull request as ready for review July 10, 2026 10:19

antonis requested review from alwx and lucas-zimerman as code owners July 10, 2026 10:19

alwx approved these changes Jul 13, 2026

View reviewed changes

alwx merged commit 208bf09 into main Jul 13, 2026
169 of 178 checks passed

alwx deleted the fix/ttid-ttfd-trace-id-6432 branch July 13, 2026 08:58

sentry-release-bot Bot mentioned this pull request Jul 16, 2026

publish: getsentry/sentry-react-native@8.19.0 getsentry/publish#8923

Closed

3 tasks

github-actions Bot mentioned this pull request Jul 16, 2026

TTID/TTFD spans get a random trace_id instead of inheriting the parent transaction's, so they render as orphaned traces despite a correct parent_span_id #6432

Closed

antonis mentioned this pull request Jul 28, 2026

test(e2e): Assert TTID/TTFD trace in the navigation e2e #6529

Closed

Uh oh!

Uh oh!

Conversation

antonis commented Jul 10, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

📢 Type of change

📜 Description

💡 Motivation and Context

💚 How did you test it?

📝 Checklist

🔮 Next steps

Uh oh!

github-actions Bot commented Jul 10, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Semver Impact of This PR

Uh oh!

cursor Bot left a comment

Choose a reason for hiding this comment

Uh oh!

Uh oh!

cursor Bot left a comment

Choose a reason for hiding this comment

Uh oh!

github-actions Bot commented Jul 10, 2026

Android (legacy) Performance metrics 🚀

Baseline results on branch: main

Startup times

App size

Uh oh!

sentry Bot commented Jul 10, 2026

📲 Install Builds

Android

Uh oh!

github-actions Bot commented Jul 10, 2026

iOS (legacy) Performance metrics 🚀

Baseline results on branch: main

Startup times

App size

Uh oh!

github-actions Bot commented Jul 10, 2026

iOS (new) Performance metrics 🚀

Baseline results on branch: main

Startup times

App size

Uh oh!

github-actions Bot commented Jul 10, 2026

Android (new) Performance metrics 🚀

Baseline results on branch: main

Startup times

App size

Uh oh!

Uh oh!

github-actions Bot commented Jul 21, 2026

Instructions and example for changelog

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

2 participants

antonis commented Jul 10, 2026 •

edited

Loading

github-actions Bot commented Jul 10, 2026 •

edited

Loading