# Proton proton-11.0-1-beta3

- Product: Proton (https://whatsnew.fyi/product/valve-proton)
- Vendor: Valve
- Date: 2026-05-13
- Version: proton-11.0-1-beta3
- Original notes: https://github.com/ValveSoftware/Proton/releases/tag/proton-11.0-1-beta3
- Permalink: https://whatsnew.fyi/product/valve-proton/releases/proton-11.0-1-beta3
- Labels: Platforms: Linux

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** — Updated FEX to FEX-2605

This is a small update affecting ARM64 only. For full Proton 11 changelog see [beta1](https://github.com/ValveSoftware/Proton/releases/tag/proton-11.0-1-beta1).

- Updated to [FEX-2605](https://github.com/FEX-Emu/FEX/releases/tag/FEX-2605).