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Half-Life: Alyx

Build 25274617

Developer updates

public branch

4 depots

Steam updated: 15 Sep 2026, 00:38 GMT
First observed: 15 Sep 2026, 00:38 GMT
Previous observed build: 25275747

Changes since the previous observation; intermediate builds may be missing. Unlisted manifests do not imply deleted files.
Depot	Platform / language	Change	Previous manifest	Current manifest
546563	windows	Manifest changed	7996446571820692857	2948163568743963488
546564	linux	Manifest changed	2340440727495508507	305603679143589786

Public depot manifests and sizes
Depot	Platform / language	Manifest	Installed	Download
1295040	windows	4872077055462155827	2.5 GiB	676.4 MiB
546561	Not supplied	1436897171613240821	67.5 GiB	50.1 GiB
546563	windows	2948163568743963488	941.6 MiB	578.9 MiB
546564	linux	305603679143589786	607.9 MiB	180.7 MiB

Developer posts near this build

Published within 24 hours of a recorded Steam update time. These are time-based matches, not confirmed patch notes.

Half-Life: Alyx Updated for Steam Frame
Published 14 Sep 2026, 21:33 GMT · Nearest update: public branch, 15 Sep 2026, 00:38 GMT

Public manifests only. File changes are unavailable.