# MobX 6.3.9

- Product: MobX (https://whatsnew.fyi/product/mobx)
- Vendor: MobX
- Date: 2021-12-15
- Version: 6.3.9
- Original notes: https://github.com/mobxjs/mobx/releases/tag/mobx%406.3.9
- Permalink: https://whatsnew.fyi/product/mobx/releases/6.3.9

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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- **fixed** — requiresReaction always takes precedence over global computedRequiresReaction
- **fixed** — fix isPlainObject implementation

###### Patch Changes

-   [`87e5a037`](https://github.com/mobxjs/mobx/commit/87e5a03735dbc1930e54a15b5ce88ad684bc3dc1) [#3214](https://github.com/mobxjs/mobx/pull/3214) Thanks [@urugator](https://github.com/urugator)! - `requiresReaction` always takes precedence over global `computedRequiresReaction`


-   [`9b90e25c`](https://github.com/mobxjs/mobx/commit/9b90e25c7bc0cdc0a07d1f847683604e86790f24) [#3198](https://github.com/mobxjs/mobx/pull/3198) Thanks [@urugator](https://github.com/urugator)! - fix `isPlainObject` impl (fixes #3197)