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Half-Life: Alyx Updated for Steam Frame

This is a major update that adds support for Steam Frame standalone gameplay.

Optimizations for Steam Frame

  • Made significant rendering and performance optimizations when running on Steam Frame, updating most of the engine without altering any of the content.
  • Added foveated rendering support when running standalone on Steam Frame.
  • Ported the game to ARM64/aarch64.
  • Added support for depth reprojection when running on Steam Frame, allowing smooth gameplay at lower framerates.

General Fixes

  • Additional performance improvements when running on desktop PCs.
  • Removed 1 tick of latency on player hands and other simulated objects.
  • Fixed some GPU configurations displaying a low-memory warning when they had plenty of memory available.
  • Fixed cross-platform cloud saves on Linux.
  • Fixed subtitles not appearing on Linux.
  • Fixed the Main Menu flickering for some users.
  • Fixed a bug where it was occasionally not possible to interact with items when starting a new game.

Build and release context

Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.

  • Build 25275747 · public branch

    Steam updated · First observed

  • Build 25274617 · public branch

    Steam updated · First observed

  • Build 25313156 · public branch

    Steam updated · First observed