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Major Changes

• 473cb3f5 #3718 Thanks @mweststrate! - - Fixed observer in StrictMode #3671
  • [BREAKING CHANGE] Class component's props/state/context are no longer observable. Attempt to use these in any derivation other than component's render throws and error. For details see https://github.com/mobxjs/mobx/blob/main/packages/mobx-react/README.md#note-on-using-props-and-state-in-derivations
  • Extending or applying observer classes is now explicitly forbidden

Patch Changes

• Updated dependencies [58bb052c, 473cb3f5]:
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Patch Changes

• 58bb052c #3670 Thanks @urugator! - fix #3669: SSR: useSyncExternalStore throws due to missing getServerSnapshot

• 473cb3f5 #3718 Thanks @mweststrate! - - Fixed observer in StrictMode #3671

  • [BREAKING CHANGE] Class component's props/state/context are no longer observable. Attempt to use these in any derivation other than component's render throws and error. For details see https://github.com/mobxjs/mobx/blob/main/packages/mobx-react/README.md#note-on-using-props-and-state-in-derivations
  • Extending or applying observer classes is now explicitly forbidden

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Patch Changes

• f86df867 #3667 Thanks @tony! - Fix package dependency for use-sync-external-store.

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Patch Changes

• 8e58fa95 #3664 Thanks @mweststrate! - (Hopefully) fixed release process for mobx-react-lite

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Patch Changes

• dfeb1f5d #3651 Thanks @urugator! - fix #3650 regression clearTimers -> clearTimes

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Patch Changes

• 7acaf305 #3645 Thanks @urugator! - fix FinalizationRegistry support check #3643

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Patch Changes

• 4ef8ff3f #3598 Thanks @urugator! - refactor reaction tracking

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Minor Changes

• 8cf4784f #3559 Thanks @urugator! - Proxied observable arrays can now safely read/write out of bound indices. See https://github.com/mobxjs/mobx/discussions/3537

• 223e3688 #3551 Thanks @deadbeef84! - Added new option signal to when(), to support abortion using an AbortSignal / AbortController.

Patch Changes

• fe25cfed #3566 Thanks @upsuper! - Make return value of reportObserved match invoke of onBecomeObserved

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Minor Changes

• 7aab223e #3565 Thanks @kubk! - Make mobx-react compatible with TS 4.8+

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Patch Changes

• b375535c #3344 Thanks @Nokel81! - Allow readonly tuples as part of IObservableMapInitialValues

• 7260cd41 #3516 Thanks @urugator! - fix regression #3514: LegacyObservableArray compat with Safari 9.*

• 78d1aa23 #3458 Thanks @egilll! - A slight revamp of the README, wording, and clearer links