We have released a Beta update for Half-Life: Source.
Changes in this update are:
[list]
[*]Added support for custom FOV settings as we have in our Source engine games
[*]Fixed Audio options dialog
[*]Fixed Chapter 3 not starting at the correct map
[*]Fixed blood color on aliens to more closely match original Half-Life 1
[*]Fixed sentry guns not firing correctly
[*]Fixed headcrab not playing all their sounds
[*]Fixed scientists not engaging in their question and answer dialog
[*]Fixed crowbar sounds to more closely match original Half-Life 1
[/list]