# Blender Blender 4.2.23 LTS Maintenance Release !

- Product: Blender (https://whatsnew.fyi/product/blender)
- Vendor: Blender Foundation
- Date: 2026-07-21
- Original notes: https://store.steampowered.com/news/app/365670/view/698770449667982972
- Permalink: https://whatsnew.fyi/product/blender/releases/2026-07-21-blender-4.2.23-lts-maintenance-release

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 assert when undoing Make Single User with a linked mesh

Blender 4.2.23 LTS features important bug fixes. It is released on the _v4.2 - Stable - LTS_ branch.

You can switch to this by **right-clicking** on the **Blender** entry in your library, select **Properties...**. Open the **Betas** tab and select **v4.2 - Stable - LTS**.

##### Patch Notes

* Assert when undoing Make Single User with a linked mesh. ([#161211](https://projects.blender.org/blender/blender/issues/161211))

For a detailed list of bug fixes in each release, see [ 4.2 LTS releases on blender.org](https://www.blender.org/download/lts/4-2/)

##### LTS Program

Learn more about the [LTS program on blender.org](https://www.blender.org/download/lts/)

##### Stay up-to-date

You can follow Blender on social media:

Keep reporting any issues you find to make this LTS the most stable release ever !

Happy blending,
The Blender team