# MobX 6.1.1

- Product: MobX (https://whatsnew.fyi/product/mobx)
- Vendor: MobX
- Date: 2021-01-28
- Version: 6.1.1
- Original notes: https://github.com/mobxjs/mobx/releases/tag/mobx%406.1.1
- Permalink: https://whatsnew.fyi/product/mobx/releases/6.1.1

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** — Fix error stringification on minified build
- **fixed** — Fix isObservableProp not supporting Symbols
- **fixed** — Fix makeAutoObservable not ignoring inferredAnnotationsSymbol

###### Patch Changes

-   [`39eca50d`](https://github.com/mobxjs/mobx/commit/39eca50de3936807037cb1205bbab29a3e328bc0) [#2757](https://github.com/mobxjs/mobx/pull/2757) Thanks [@urugator](https://github.com/urugator)! - Fix error stringification on minified build
    Fix `isObservableProp` not supporting `Symbols`
    Fix `makeAutoObservable` not ignoring `inferredAnnotationsSymbol`