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[iOS] Debug-only SIGABRT in React Native DevTools when inspecting a network response containing non-ASCII (UTF-8 multi-byte) text

DebuggingIssues related to React Native DevTools or legacy JavaScript/Hermes debuggingIssues related to React Native DevTools or legacy JavaScript/Hermes debugging

Needs: Author Feedback

Needs: ReproThis issue could be improved with a clear list of steps to reproduce the issue.This issue could be improved with a clear list of steps to reproduce the issue.

Platform: iOSiOS applications.iOS applications.

Status: Open.

#57061 In facebook/react-native;

· ahmedemc2 opened on Jun 3, 2026

[Android] - Higher memory usage on 0.85.x vs 0.83.x with the new Hermes (~25–30% more RAM, same app)

Needs: Triage 🔍

Status: Open.

#57059 In facebook/react-native;

· SirJalias opened on Jun 3, 2026

Getting production crash on 0.83,Fatal Exception: java.lang.IllegalStateException addViewAt: failed to insert view [288] into parent [290] at index 0

Needs: Author Feedback

Needs: ReproThis issue could be improved with a clear list of steps to reproduce the issue.This issue could be improved with a clear list of steps to reproduce the issue.

Needs: Version Info

Status: Open.

#57017 In facebook/react-native;

· mksmanishp opened on Jun 1, 2026

RN 0.85.0 + iOS 26 crashes on root component swap - RCTFatal in TurboModule queue

Needs: Author Feedback

Needs: ReproThis issue could be improved with a clear list of steps to reproduce the issue.This issue could be improved with a clear list of steps to reproduce the issue.

Platform: iOSiOS applications.iOS applications.

Status: Open.

#57014 In facebook/react-native;

· charleyms opened on Jun 1, 2026

Question about contributing

Needs: Author Feedback

Needs: ReproThis issue could be improved with a clear list of steps to reproduce the issue.This issue could be improved with a clear list of steps to reproduce the issue.

Status: Open.

#57010 In facebook/react-native;

· deathlegionteamlk opened on May 31, 2026

iOS 26.5 + Fabric: RCTGetBorderImage allocates thousands of CG raster surfaces, OOMing Hermes during JS bundle eval

Needs: Author Feedback

Needs: ReproThis issue could be improved with a clear list of steps to reproduce the issue.This issue could be improved with a clear list of steps to reproduce the issue.

Status: Open.

#56980 In facebook/react-native;

· BodholdtSpeedTesting opened on May 27, 2026

[iOS] Share.share Promise neither resolves nor rejects when presentViewController: is silently dropped (view not in window hierarchy)

API: Share

Needs: Author Feedback

Needs: ReproThis issue could be improved with a clear list of steps to reproduce the issue.This issue could be improved with a clear list of steps to reproduce the issue.

Platform: iOSiOS applications.iOS applications.

Status: Open.

#56979 In facebook/react-native;

· BadLice opened on May 27, 2026

TypeError: Cannot read property 'OS' of undefined in Libraries/Settings/Settings.js due to circular dependency on startup

API: Settings

Needs: Triage 🔍

Status: Open.

#56967 In facebook/react-native;

· Capstan opened on May 25, 2026

Android system font scaling has no effect on certain cases

Needs: Triage 🔍

Platform: AndroidAndroid applications.Android applications.

Status: Open.

#56961 In facebook/react-native;

· atlj opened on May 25, 2026

Axios requests network errors, which are caused by random network fluctuations

Needs: Author Feedback

Needs: ReproThis issue could be improved with a clear list of steps to reproduce the issue.This issue could be improved with a clear list of steps to reproduce the issue.

Platform: iOSiOS applications.iOS applications.

Status: Open.

#56903 In facebook/react-native;

· hellolgl opened on May 20, 2026

[Android] Dimensions.get('screen').scale reports primary display density on secondary displays, breaking Fabric layout

Resolution: PR SubmittedA pull request with a fix has been provided.A pull request with a fix has been provided.

Status: Open.

#56894 In facebook/react-native;

· DouweBos opened on May 19, 2026

response.text() fails with "Unable to resolve data for blob" under concurrent fetch (Hermes, iOS device)

Needs: Triage 🔍

Platform: iOSiOS applications.iOS applications.

🌐NetworkingRelated to a networking API.Related to a networking API.

Status: Open.

#56884 In facebook/react-native;

· xavi opened on May 19, 2026