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APP-2975: Fix Fabric focus navigation use-after-free (#11583)

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Samuel Newman
2026-08-31 16:45:03 +03:00
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commit 80d09a242d
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patches/react-native@0.86.0.patch.md
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# ***This second part of this patch is load bearing, do not remove.***
## UIManager.cpp Patch - Fabric focus navigation use-after-free
Fixes Sentry issue APP-T4H9: a SIGSEGV in
`FabricUIManagerBinding::findNextFocusableElement` during focus navigation.
React Native 0.86 contains the safe implementation behind
`fixFindShadowNodeByTagRaceCondition`, but the public default is false. The
fallback captures a raw root shadow-node pointer in `tryCommit` and dereferences
it after the lock is released, allowing a concurrent commit or surface stop to
free the node first. This backports the final upstream implementation, which
holds the current revision's `shared_ptr` for the entire traversal.
**TODO: Remove after bumping React Native to a release containing
facebook/react-native#56850.**
## RefreshControl Patch - iOS 17.4 Haptic Regression
Patching `RCTRefreshControl.mm` temporarily to play an impact haptic on refresh when using iOS 17.4 or higher. Since