There's also an update for CS:Source.

Aye, as follows;

COUNTER-STRIKE: SOURCE BETA CHANGES / ADDITIONS:
* Improved DX7 graphics code path performance by up to 225%.
* Fixed key bindings for non-US layouts causing the scoreboard to be stuck on.
* Fixed barrel nudging player forever if you crouched near it.
* Made correct names appear in "attacked teammate" message.
* Made changelevel due to map timelimit happen at round end.
* Added intermission scoreboard at end of round.
* Disabled hiding viewmodel with "impulse 200" if sv_cheats is off.
* Fixed reload exploit.
* Fixed C4 sound not playing while planting.
* Stopped money icon being red on level change.
* Added C4 icon in first person spectator mode if spectated player has the bomb.
* Fixed a problem where the game would crash when run on Win98 with a NVidia 5900, 5950, or 6800.
* Fixed crash due to stacking large numbers of weapons.
* Fixed muzzle flashes showing incorrectly when switchi