Patch notes of Steam update #158, released on July 15th, 2023:

Maps

• Added new Harvest
  
• Re-added Portal BTS, Atrium, Farmhouse, No Mercy, and Two2Forts
  
• Re-added Cyberpunk to the default map cycle
  
• Dust
  
  • Adjusted FFA spawn points
  
  
• FoF Depot
  
  • Adjusted problematic spawn points
    
  • Minor tweaks and fixes
  
  
• System Shock 2 - Ops
  
  • Added new safe zone: Elevator
    
  • Added new working elevator in cold storage
    
  • Disabled fall damage in gravlifts
    
  • Health dispensers now spits out kits upon receiving cash
    
  • Various minor tweaks

Player Models

• Re-added P2 Mannequin, Lil' Peanut, Lil' Sneaknut, TF2 Scarecrow, TF2 Cactus, and TF2 Bread Monster
  
• Added Toon Skeleton
  
• Added TDM skins for HL2 Zombine

Game Modes

• Cooperative
  
  • Fixed ducking players being treated as standing when respawned
  
  
• Sneak vs M...
  
  • Revised the default list of round types
  
  
• Team Mission
  
  • Reduced chances of CTF flags to get stuck in the ground or ceiling

Weapons

• Reduced spread for the normal Railgun

Effects

• Overhauled Railgun firing particle effects

User Interface

• Fixed cases where running the game with screen resolution other than 1080p would result in some UI elements getting resized more than once
  
• Disabled scrolling animation for the text chat

VScript

• Lua: Updated entity classes to inherit metatables from their parent classes properly

Miscellaneous

• Implemented connecting to the game servers using their Steam ID (P2P)
  
• Extended the support for BSPs in VPKs
  
• Fixed players always being pulled down regardless of the current gravity direction
  
• Tweaked the sv_tags convar's value calculation
  
• Fixed func_break and func_physbox with the surface material set to 'None' spewing errors in the console
  
• Fixed env_laser entities remain invisible till they hit something
  
• Converted the SVC_EntityMsg netmessage into a SVC_UserMessage subtype
  
• Various engine level tweaks and cleanups