An update for Half-Life: Opposing Force is now available:

Fixes

• Fixed end of game transition failing to run after defeating final boss
• Fixed grapple sound effects and alternate fire
• Fixed crash when target of a Gonome projectile is killed
• Fixed sniper rifle using wrong animations
• Fixed Desert Eagle laser disappearing when reload is triggered with a full magazine
• Fixed displacer ammo HUD icon
• Fixed Glock being reloadable while full

General

• Fixed setting monitor refresh rates through -freq when used with -nofbo
• Fixed unnecessary texture rescaling with NPOT textures
• Fixed slist command, will now show servers on the local network
• Fixed erroneous return in SV_ClipToLinks (HL #1685)
• Fixed inability to reload a partially empty weapon after reloading a save game
• Fixed MP5 spread factor, multiplayer factor was being used for single player and single player for multiplayer
• Fixed progress bar for individual files in resource download always showing at 100%
• Added auto-saving of several cvars (HL #2237)
• Fixed missing localizations in spectator UI
• Fixed NPC turn rate when running at >60FPS
• Reordered columns in server browser to prevent game descriptions from being used to fake server player count
• Fixed sv_cheats from being settable by players in a multiplayer game (sv_cheats is controllable by the server)
• Security fixes to console commands
• Security fixes to resource loading
• Security fixes to saving/loading