Enable the RN Strict TypeScript API #101439

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1. roryabraham

   assigned

   roryabraham

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   Julesssss

   and

   mountiny

   on Sep 17, 2026
2. roryabraham

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   DailyKSv2KSv2

   on Sep 17, 2026
3. roryabraham

   added a parent issue on Sep 17, 2026

   • [$1000] Upgrade RN to 0.88 and Expo SDK 58 #101427
4. roryabraham

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   war-in

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   jakubstec

   on Sep 17, 2026
5. roryabraham commented on Sep 17, 2026

   

   roryabraham

   on Sep 17, 2026

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   I'm wondering if maybe we should try to land #99495 first. It's proving to be a bear of a PR
6. MelvinBot

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   shubham1206agra

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   collectioneur

   on Sep 17, 2026
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8. roryabraham commented on Sep 21, 2026

   

   roryabraham

   on Sep 21, 2026

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   Looks like there's a skill specifically for this npx skills add react-native-community/skills --skill migrate-to-strict-api. I'll give it a spin

   ❤️React with ❤️1Reacted by Marcin Warchoł
9. melvin-bot

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10. roryabraham commented on Sep 21, 2026

    

    roryabraham

    on Sep 21, 2026

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    Bailed out. React Native 0.86 opt-in produced 2944 errors across 420 files, so the Strict API is not enabled.
    Kept the dual-compatible rewrites (5 deep imports moved to react-native root exports; NodeHandle and HardwareBackPressEvent inlined). Typecheck passes.
    Still blocking a later attempt:

    • ReactNativeStyleAttributes in src/components/AlwaysPaintedView/index.native.tsx — private, no root export
    • Removed types: AlertStatic, CellRendererProps, ViewToken, ViewabilityConfig, ImageResizeMode, TextInputPasteEventData
    • Widespread style/*Instance ref mismatches

    react-native-safe-area-context is 5.6.2; Strict API needs >= 5.8.1. Feedback thread: react-native-community/discussions-and-proposals#1015
11. roryabraham

    added a sub-issue on Sep 21, 2026

    • Strict API: fix transformOrigin so ThemeStyles infers #101813
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13. roryabraham

    added sub-issues on Sep 21, 2026

    • Strict API: replace removed root type exports #101815
    • Strict API: type component refs with React.ComponentRef #101816
    • Strict API: fix Animated style assignability #101817
    • Strict API: bump react-native-safe-area-context to >= 5.8.1 #101818
14. roryabraham commented on Sep 21, 2026

    

    roryabraham

    on Sep 21, 2026

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    Created sub-issues to break down the scope of the change.
15. roryabraham commented on Sep 22, 2026

    

    roryabraham

    on Sep 22, 2026

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    Opened PRs for all the sub-issues that need them. One sub-issue was bogus, another was a dupe

    👍React with 👍1Reacted by Yehor Kharchenko
16. roryabraham commented on Sep 24, 2026

    

    roryabraham

    on Sep 24, 2026

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    Happy to hand this off while I'm mostly OOO the next few weeks. @collectioneur do you want to take it? I got us started but AI has been really bad so far at finishing it or even being clear on the scope.

    It does seem like web compatibility is a wrinkle that makes this harder, so it might be the case that landing #99495 would make this easier (though that's been hard to land in its own right, but I think it's independently valuable).

    👍React with 👍1Reacted by Yehor Kharchenko
17. roryabraham commented on Sep 24, 2026

    

    roryabraham

    on Sep 24, 2026

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    This isn't technically a blocker for the RN 0.88 bump (we can still explicitly opt out), so I'm making this a weekly
18. roryabraham

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19. collectioneur commented on Sep 30, 2026

    

    collectioneur

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    Yes, I can take this on. I'm currently updating the dependencies required to upgrade React Native to 0.88, so I'll start working on it as soon as the required libraries are migrated 🙌
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21. mountiny commented on Oct 15, 2026

    

    mountiny

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    @collectioneur how is this looking?
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23. collectioneur commented on Oct 16, 2026

    

    collectioneur

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    I looked into migrating the repo to the strict ts API about a week ago, and it seems like quite a big task. Once I wrap up the gesture handler hook migration, I'll get started on it (early next week) 👌