# Steam Linux client moves to 64-bit and containerized architecture

> **Key takeaway:** The Steam Linux client is transitioning to a 64-bit, containerized model using Steam Runtime to improve consistency across different distributions.

**Published:** 2026-10-22T13:19:30+00:00 
**Source:** It's FOSS Community News 
**Category:** distro-news 
**Canonical URL:** https://fosswire.org/news/steam-linux-client-moves-to-64-bit-and-containerized-archite.html 

## Summary
Valve is updating the Steam Linux client to run within Steam Runtime containers, mirroring the approach used for its games. This shift to a 64-bit, containerized architecture aims to ensure more consistent behavior across various Linux distributions. Additionally, Ubuntu 26.10 has been released, featuring Linux kernel 7.3 and completed Rustification of core utilities.

## Key updates in the FOSS ecosystem
- **Steam Linux Client**: Moving to 64-bit and utilizing Steam Runtime containers for improved distro compatibility.
- **Ubuntu 26.10**: Includes Linux kernel 7.3 with Snapdragon X2 Elite support, improved GPU memory handling, and Sequoia PGP in the main archive.
- **CutefishOS**: Rebuilt desktop using Anthropic's Fable and Opus AI models, featuring a custom Wayland compositor and graphics library without Qt or GTK.
- **Dux Labs**: Rebranding of Dank Linux; DMS 2.0 introduces Material 3 design and a new file manager.

## Why it matters
The containerization of the Steam client reduces dependency issues on diverse Linux distributions, while Ubuntu's continued Rustification strengthens system security and performance.