Patch notes of Steam update #171, released on May 9th, 2025:

Maps

• Added Party Zone and Vertigo
  
• Biohazard
  
  • Fixed silent notification sound on flag capture
  
  
• Complex
  
  • Fixed some missing textures
  
  
• CS Havana
  
  • Fixed skybox rotation
  
  
• CS Militia
  
  • Fixed skybox rotation
  
  
• Demise
  
  • Improved lighting
    
  • Fixed frozen teleporter sprite
    
  • Fixed vehicles not being able to drive through opened doors
  
  
• DoD Avalanche
  
  • Sealed holes next the Blue team's spawn area allowing players to go out of bounds
    
  • Restored team barriers
    
  • Implemented Team Mission (Control Points) game mode support
  
  
• DoD Argentan
  
  • Sealed holes next to the Red Team's second capture point allowing players to go out of bounds
    
  • Restored team barriers
    
  • Implemented Team Mission (Control Points) game mode support
  
  
• DoD Colmar
  
  • Restored team barriers
    
  • Implemented Team Mission (Demolition) game mode support
  
  
• DoD Jagd
  
  • Sealed holes next to the Red team's spawn area allowing players to go out of bounds
    
  • Restored team barriers
    
  • Implemented Team Mission (Demolition) game mode support
    
  • Removed barricades placed next to a tank in all game modes except Team Mission
  
  
• Harvest
  
  • Fixed Team Mission specific objects remain present in other game modes
  
  
• Industries
  
  • Fixed missing ambient music
  
  
• Mini Royale
  
  • Disabled Battle Royale mutators to avoid conflicts with minigames' logic
    
  • Removed bad teleportation point trapping players using Displacers
  
  
• Two2Forts
  
  • Fixed random colored grass
    
  • Reduced respawn time by 4 seconds
  
  
• Prop Build
  
  • Fixed team filters

Game Modes

• Bonedemic
  
  • Target ID panels displayed over fellow survivors will no longer show through walls
  
  
• Shidden
  
  • Disabled wavy animation effect on Shidden's camo to help with hiding while holding still
    
  • Smelters will no longer turn their heads towards camouflaged Dealters and vice versa
  
  
• Sneak vs M...
  
  • Added new subtypes: Melters and Mushrooms
  
  
• Sneak vs Terrorists
  
  • Fixed camera not switching to destroyed model when broken
    
  • Fixed tripmines breaking frog-touch collisions
  
  
• Team Battle Royale
  
  • All players of the winning team will now be awarded with points
  
  
• Team Mission
  
  • Implemented Demolition sub mode

Player Models

• Added zombie arms and applied to relevant player models

NPCs

• Restored HL2 Combine Dropship
  
• Improved Revolver and Obrez handling for bot players

Weapons

• Fixed Scientist Shotgun projectiles not detonating sometimes
  
• Fixed Bird Poo not dealing damage when set to (regression since patch 115)
  
• Fixed tripmines couldn't be placed on doors set to ignore debris
  
• Fixed Displacer couldn't teleport objects to generic spawn points when jb_wep_displacer_tp_generic_spawns convar is enabled
  
• Fixed Displacer could teleport objects to disabled extra teleportation points (info_displacer_target)
  
• Updated Displacer not to teleport big aircrafts
  
• Fixed draw sound on Cat Mine cutting off constantly
  
• Updated Dubstep Gun to support raw sound files

User Interface

• Updated weapon selection selection to display slot numbers
  
• Updated weapon selection to display infinite ammo when needed
  
• Team Battle Royale objectives will now display at the top left corner like in normal Battle Royale
  
• Objectives will now flash when updating for certain game modes
  
• Added new Gameplay settings page featuring options controlling special team selection (Sneak, Shidden, or VIP teams)
  
• Updated the scoreboard for certain game modes to display levels (Gun Game), progress (Rat Race), and skulls saved (Head Hunt)
  
• Fixed missing death notifications for HL1 Apache or HL2 Combine Helicopter

Effects

• Fixed bullet spread patterns appear to be the same at the client side (regression since patch 161)
  
• Fixed sky textures turning bright/dim when switching between maps using same sky textures, but different HDR modes (regression since patch 164)
  
• Updated CSM shadows to use angles of the first found environmental light source
  
• Weapons carried by camouflaged players will no longer cast shadows
  
• Restored Plasma legacy effects for env_fire
  
• Updated spectate monster spawn points to blink, to help them stand out more

VScript

• Fixed scripts couldn't be loaded from addons and map files
  
• Fixed the world entity not running scripts on spawn (regression since patch 164)
  
• Fixed CBaseEntity's GetScriptId method returning the think function's name instead of the script ID
  
• Added SystemTime(), SystemTimeUTC(), and GetTimeDiff( time1, time2 ) functions

Miscellaneous

• Fixed crash on attempt to run mat_info command (regression since patch 168)
  
• Fixed client crash caused by textures containing sprite sheets with too many frames
  
• Fixed server crash caused by game_ui entity deactivation with no valid player set
  
• Fixed server crash caused by a deleted path_track link
  
• Fixed an occasional server crash on attempt to generate a nav mesh
  
• Updated the engine to support maps with no lighting data
  
• Fixed teammates standing inside of each other (when team collisions are disabled) getting crushed by moving objects (elevators, doors, etc)
  
• Fixed team barriers blocking navigation routes for bots
  
• Updated puppet bots to support Capture the Flag game mode
  
• Fixed seduced players not aiming at porn magazines when observed by others
  
• Updated all conveyor belts (func_conveyor) to also affect vphysics objects
  
• Game time scale will now affect mouse sensitivity
  
• Increased net_chan_limit_msec convar's default value from 50 to 250 for dedicated servers
  
• Updated dumpstringtables command to support -name argument
  
• Files packed into maps will now remain available till level change
  
• Server owners can now make players download custom assets (e.g. extra dubstep tracks) by listing them in the cfg/downloadlist.res file
  
• Increased max supported command line length from 2048 to 4096
  
• Improved multithreading on Linux
  
• Various internal optimizations

SDK tools

• Implemented 'Teleport All Targets' flag for point_teleport
  
• Fixed OnNext output for the func_tracktrain's FGD entry
  
• Changed "Displacer cannot teleport to" flag value used by JB spawn points to avoid conflicts with info_player_start's "Master" flag
  
• Added jb_obj_breakable FGD entry
  
• Added support for mappers to define max health of They Hunger zombies
  
• Added koth_sound field, SetForcedMutator input, OnNormalRoundStart, OnSpecialRoundStart, OnKothStart outputs to jb_gamerules_br and jb_gamerules_tbr FGD entries
  
• Added OnTeamWin output to jb_gamerules FGD entry
  
• Updated jb_gamerules FGD entry's OnRoundEnd to pass win reason number
  
• bspzip
  
  • Fixed inverted logic when processing file lists
  
  
• Hammer
  
  • Fixed parsing of map compilation commands containing spaces
  
  
• vbsp
  
  • Multi-threading related optimizations
  
  
• vrad
  
  • Multi-threading related optimizations
  
  
• vvis
  
  • Multi-threading related optimizations