# react-native v0.86.3 — 0.86.3

- Product: react-native (https://whatsnew.fyi/product/react-native)
- Vendor: Meta
- Date: 2026-08-24
- Version: v0.86.3
- Original notes: https://github.com/react/react-native/releases/tag/v0.86.3
- Permalink: https://whatsnew.fyi/product/react-native/releases/v0.86.3

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **changed** — Bump hermes-v1 to 250829098.0.17
- **fixed** — Fix use-after-free data race in EventEmitter.cpp
- **fixed** — Fix parentNode/parentElement returning the document instead of the containing element for Modal and other nested root host views, which severed capture/bubble event propagation to ancestors rendered above them
- **fixed** — Make Podfile.lock SPEC CHECKSUMS deterministic across machines by sorting Dir.glob results in Yoga.podspec and using a dynamically computed Pods-relative path in hermes-engine.podspec
- **fixed** — Fix ConcurrentModificationException when getInitialURL re-enters during onHostResume
- **fixed** — Custom fonts with an explicit fontWeight no longer render at the heaviest weight on the New Architecture

- **Hermes:** Bump hermes-v1 to 250829098.0.17 ([3fd71f07c3](https://github.com/react/react-native/commit/3fd71f07c389c9310630b418c270b742fbb4e948) by [@cipolleschi](https://github.com/cipolleschi))
- **EventEmitter:** Fix use-after-free data race in EventEmitter.cpp ([fdb26edfe7](https://github.com/react/react-native/commit/fdb26edfe79041380147b0dde0ccd6552d29d31b))
- **Modal:** Fix `parentNode`/`parentElement` returning the document instead of the containing element for `<Modal>` and other nested root host views, which severed capture/bubble event propagation to ancestors rendered above them ([6e3f0e8f9f](https://github.com/react/react-native/commit/6e3f0e8f9fbb947fc05d7f91a625705d599a3144) by [rubennorte](https://github.com/rubennorte))
- **Cocoapods:** Make Podfile.lock SPEC CHECKSUMS deterministic across machines by sorting Dir.glob results in Yoga.podspec and using a dynamically computed Pods-relative path in hermes-engine.podspec ([6e3f0e8f9f](https://github.com/react/react-native/commit/6e3f0e8f9fbb947fc05d7f91a625705d599a3144) by [IsaacIsrael](https://github.com/IsaacIsrael))
- **Runtime:** Fix ConcurrentModificationException when getInitialURL re-enters during onHostResume ([20d04aefa1](https://github.com/react/react-native/commit/20d04aefa17acbbbf89ff055adf798827bd7787b) by [@nickcernera](https://github.com/nickcernera))
- **Font:** Custom fonts with an explicit fontWeight no longer render at the heaviest weight on the New Architecture ([918fb15bfe](https://github.com/react/react-native/commit/918fb15bfe5ff434d036c91be957de62cf8f8449) by [@jensdev](https://github.com/jensdev))

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Hermes dSYMS:
- [Debug](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/0.17.0/hermes-ios-0.17.0-hermes-framework-dSYM-debug.tar.gz)
- [Release](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/0.17.0/hermes-ios-0.17.0-hermes-framework-dSYM-release.tar.gz)

Hermes V1 dSYMS:
- [Debug](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/250829098.0.17/hermes-ios-250829098.0.17-hermes-framework-dSYM-debug.tar.gz)
- [Release](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/250829098.0.17/hermes-ios-250829098.0.17-hermes-framework-dSYM-release.tar.gz)

ReactNativeDependencies dSYMs:
- [Debug](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/0.86.3/react-native-artifacts-0.86.3-reactnative-dependencies-dSYM-debug.tar.gz)
- [Release](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/0.86.3/react-native-artifacts-0.86.3-reactnative-dependencies-dSYM-release.tar.gz)

ReactNative Core dSYMs:
- [Debug](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/0.86.3/react-native-artifacts-0.86.3-reactnative-core-debug.tar.gz)
- [Release](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/0.86.3/react-native-artifacts-0.86.3-reactnative-core-release.tar.gz)

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You can file issues or pick requests against this release [here](https://github.com/reactwg/react-native-releases/issues/new/choose).

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To help you upgrade to this version, you can use the [Upgrade Helper](https://react-native-community.github.io/upgrade-helper/) ⚛️.

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View the whole changelog in the [CHANGELOG.md file](https://github.com/react/react-native/blob/main/CHANGELOG.md).