Version Packages

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This PR was opened by the Changesets release GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated.

Releases

mobx@6.16.0

Minor Changes

• 6b3fb0ee725c0521bbaf7ba901a30261472a0e71 #4639 Thanks @ashishkr96! - feat(mobx): make the 2022.3 @computed decorator lazy. ComputedValue is now created on first read of the decorated getter rather than eagerly during instance construction, avoiding wasted allocations for getters that are never used. On a 50k-instance × 10-getter class with one read per instance this cuts construction heap by ~50% and construction time by ~25%; the steady-state read path is unchanged. Closes @computed decorator should be lazy #4616.

• f0c68749428fd4d3bba48e9685e44fd1ddbbee76 #4658 Thanks @ashishkr96! - feat(mobx): make the 2022.3 @observable accessor decorator lazy. ObservableValue is now created on first read/write/observe of the decorated accessor rather than eagerly during instance construction, avoiding wasted allocations for fields that are never touched. On a 50k-instance × 10-field class with sparse access (1 of 10 fields read per instance), this cuts construction heap by ~82% and construction time by ~86% versus the eager path. Follow-up to feat(mobx): make 2022.3 @computed decorator lazy #4639.

Patch Changes

• 7eb54418b16fb9b415c04c5b8e05779790dd74ed #4659 Thanks @kubk! - Fix regression from feat(mobx): make 2022.3 @computed decorator lazy #4639 where isComputedProp returned false for lazy @computed properties before first read

• c22b4b705447a4ccdce93473255f4beb170613f3 #4657 Thanks @kubk! - Add getOrInsert and getOrInsertComputed to ObservableMap for compatibility with ESNext Map typings.

mobx-undecorate@1.3.1

Patch Changes

• 0e8fbd6947350e4318d3cf83b69ee58b4b839c25 #4646 Thanks @kubk! - Fix CLI resolution of the bundled jscodeshift binary when dependencies are hoisted by npm workspaces.