A new Steam client update from October 21, 2026 for the Linux desktop and the Steam Deck has been released on Steam (Steam Deck version: Steam).

On Linux, the update mainly fixes Vulkan games hanging after alt-tab and a case where the updater UI failed to show. It also brings smaller fixes for the Steam Service Error dialog, date display and certificate revocation lists.

Steam Client Update - October 21st (Desktop)

A new Steam Client update has been released and will be automatically downloaded.

General

• Fixed some cases the Steam Service Error dialog was showing incorrectly if you quit/restarted Steam quickly.
• Fixed an error displaying dates for users in British Columbia.
• Updated certificate revocation lists.

Remote Play

• Fixed a memory leak using NVENC to stream H.264 using unlimited bandwidth from Windows computers.

Linux

• Fixed Vulkan games hanging after alt-tab.
• Fixed a case where Steam updater UI would fail to show for some users.

Steam Client Update: October 21st (Steam Deck)

We have just shipped an updated Steam Client update to the Stable channel.

General

• Fixed an error displaying dates for users in British Columbia.
• Updated certificate revocation lists.

Desktop Mode

• Fixed Vulkan games hanging after alt-tab.

Source: Steam (Desktop), Steam (Steam Deck)