Steam Deck client update fixes Vulkan alt-tab hangs and certificate lists
Key Takeaway
Valve shipped a stable Steam Client update for Steam Deck that resolves Vulkan games hanging after alt-tab in Desktop Mode and updates certificate revocation lists.
Summary
Valve released a Steam Client update to the Stable channel for Steam Deck on October 21st. The update fixes a Desktop Mode bug where Vulkan games would hang after alt-tabbing, updates certificate revocation lists, and corrects a date display error for users in British Columbia.
What the October Steam Client update changes
- Desktop Mode: Fixed Vulkan games hanging after alt-tab, a regression affecting window management in Linux-based desktop sessions
- Certificates: Updated certificate revocation lists (CRLs) for Steam's TLS/SSL trust chain
- Localization: Fixed date formatting error specific to British Columbia time zone display
Why it matters
The Vulkan alt-tab fix addresses a practical pain point for Steam Deck users who switch between games and desktop applications, particularly those running games through Proton or native Linux Vulkan paths.
Original reference: store.steampowered.com →