feat(android): Expose enableAnrFingerprinting option#5838
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Semver Impact of This PR⚪ None (no version bump detected) 📋 Changelog PreviewThis is how your changes will appear in the changelog.
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This was referenced Mar 18, 2026
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Allows React Native users to opt out of the default-on ANR fingerprinting behavior introduced in Android SDK 8.35.0, which groups ANR events with system-only stacktraces into a single issue. Fixes #5837 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Looks good and straightforward. Thanks!
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Android (legacy) Performance metrics 🚀
|
| Revision | Plain | With Sentry | Diff |
|---|---|---|---|
| 4a17c8f+dirty | 406.62 ms | 400.58 ms | -6.04 ms |
| df1f7df+dirty | 442.64 ms | 427.16 ms | -15.48 ms |
| a483f9f+dirty | 396.82 ms | 453.28 ms | 56.46 ms |
| 60cd796+dirty | 445.84 ms | 492.45 ms | 46.61 ms |
| 5c16cdc+dirty | 423.48 ms | 452.35 ms | 28.88 ms |
| 80e4616+dirty | 411.58 ms | 462.12 ms | 50.54 ms |
| 55b77fc+dirty | 411.87 ms | 417.16 ms | 5.29 ms |
| bca62c0+dirty | 414.36 ms | 451.06 ms | 36.70 ms |
| 0b64753+dirty | 448.67 ms | 474.61 ms | 25.94 ms |
| 4e6d7d7+dirty | 480.73 ms | 515.73 ms | 35.00 ms |
App size
| Revision | Plain | With Sentry | Diff |
|---|---|---|---|
| 4a17c8f+dirty | 43.75 MiB | 47.99 MiB | 4.24 MiB |
| df1f7df+dirty | 43.75 MiB | 48.08 MiB | 4.33 MiB |
| a483f9f+dirty | 43.75 MiB | 48.41 MiB | 4.66 MiB |
| 60cd796+dirty | 43.75 MiB | 48.07 MiB | 4.32 MiB |
| 5c16cdc+dirty | 17.75 MiB | 19.68 MiB | 1.94 MiB |
| 80e4616+dirty | 43.75 MiB | 48.55 MiB | 4.80 MiB |
| 55b77fc+dirty | 43.75 MiB | 47.99 MiB | 4.24 MiB |
| bca62c0+dirty | 43.75 MiB | 48.41 MiB | 4.66 MiB |
| 0b64753+dirty | 17.75 MiB | 19.70 MiB | 1.95 MiB |
| 4e6d7d7+dirty | 43.75 MiB | 48.40 MiB | 4.64 MiB |
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Fixes #5837
Type of change
Description
Android SDK 8.35.0 introduced
enableAnrFingerprinting(defaulttrue), which groups ANR events whose stacktraces contain only system frames into a single Sentry issue. Until now there was no way for React Native users to opt out from JavaScript.This PR exposes the option in the RN SDK:
Changes:
enableAnrFingerprinting?: booleantoBaseReactNativeOptionsinoptions.tsRNSentryStart.javaand forwarding toSentryAndroidOptions.setEnableAnrFingerprinting()Docs PR: getsentry/sentry-docs#17021
Motivation and Context
When users upgrade to the Android SDK 8.35.0+ (via this SDK's bump in #5812), the ANR grouping behavior changes silently. This option lets them opt out if needed.
How did you test it?
yarn build)enableTombstone,enableNdk)Checklist
RNSentryStart.javacan be added as a follow-upNext steps
This PR is based on #5812 and should be merged after (or together with) that PR.