# MobX 6.13.6

- Product: MobX (https://whatsnew.fyi/product/mobx)
- Vendor: MobX
- Date: 2025-01-30
- Version: 6.13.6
- Original notes: https://github.com/mobxjs/mobx/releases/tag/mobx%406.13.6
- Permalink: https://whatsnew.fyi/product/mobx/releases/6.13.6

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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- **changed** — Improve observable set memory footprint and performance

###### Patch Changes

-   [`bca3841347f4fba50ad910e1c4176c56ba0173d1`](https://github.com/mobxjs/mobx/commit/bca3841347f4fba50ad910e1c4176c56ba0173d1) [#3993](https://github.com/mobxjs/mobx/pull/3993) Thanks [@tonyraoul](https://github.com/tonyraoul)! - Improve observableset memory footprint and performance