# Steam Deck Beta client moves to 64-bit and introduces achievement sets

> **Key takeaway:** The Steam Deck Beta client has transitioned to a 64-bit application and now runs within a Steam Runtime container for better Linux distribution compatibility.

**Published:** 2026-10-16T16:14:30+00:00 
**Source:** Steam Deck HQ (Reviews & Optimizations) 
**Category:** open-gaming 
**Canonical URL:** https://fosswire.org/news/steam-deck-beta-client-moves-to-64-bit-and-introduces-achiev.html 

## Summary
A new Steam Deck Beta client update introduces a major overhaul to the Steam Achievements system, allowing for separate sets for base games and DLC. Additionally, the Linux client has been updated to a 64-bit architecture and now operates inside a Steam Runtime container to improve consistency across different Linux distributions. The update also includes stability fixes and Remote Play improvements.

## Technical changes in the Steam Deck Beta update
- **64-bit Transition**: The Steam client is now a 64-bit application.
- **Containerization**: The client now runs inside a **Steam Runtime container**, mirroring the technology used by Steam games to ensure consistency across Linux distributions.
- **Achievement Sets**: New logic allows grouping achievements by base game or DLC, including support for seasonal/archived achievements.
- **Remote Play**: Added a "Display Style" setting for stretching or zooming streams with different aspect ratios.
- **Stability**: Fixed memory leaks in game streaming and controller code.

## Why it matters
Running the client within a Steam Runtime container improves the reliability of the Steam Deck experience across various Linux environments by reducing distribution-specific discrepancies.