docs(react-native): Clarify TabNavigator behavior for Time to Display… #15118
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… (TTID/TTFD); recommend manual instrumentation in tabbed flows
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sfanahata
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Oct 2, 2025
docs/platforms/react-native/tracing/instrumentation/time-to-display.mdx
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Oct 2, 2025
…splay.mdx Co-authored-by: Shannon Anahata <shannon.anahata@gmail.com>
Bundle ReportChanges will decrease total bundle size by 15 bytes (-0.0%) ⬇️. This is within the configured threshold ✅ Detailed changes
Affected Assets, Files, and Routes:view changes for bundle: sentry-docs-server-cjsAssets Changed:
view changes for bundle: sentry-docs-client-array-pushAssets Changed:
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… (TTID/TTFD); recommend manual instrumentation in tabbed flows
DESCRIBE YOUR PR
Updates the React Native “Time to Display” docs to call out caveats when using React Navigation’s TabNavigator (or other preloaded/re-used routes). Automatic TTID may be skipped on already-seen/preloaded routes, which can also prevent TTFD from recording. Recommends explicit manual instrumentation for tabbed navigation scenarios and provides example usage.
New content added in docs/platforms/react-native/tracing/instrumentation/time-to-display.mdx under “Using Time to Display with TabNavigator”.
Example included:
<TimeToFullDisplay record={isLoading === false} />
IS YOUR CHANGE URGENT?
Help us prioritize incoming PRs by letting us know when the change needs to go live.
SLA
Thanks in advance for your help!
PRE-MERGE CHECKLIST
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LEGAL BOILERPLATE
Look, I get it. The entity doing business as "Sentry" was incorporated in the State of Delaware in 2015 as Functional Software, Inc. and is gonna need some rights from me in order to utilize my contributions in this here PR. So here's the deal: I retain all rights, title and interest in and to my contributions, and by keeping this boilerplate intact I confirm that Sentry can use, modify, copy, and redistribute my contributions, under Sentry's choice of terms.
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