The CS2 update includes several changes and improvements to the game. The major updates are as follows: Maps:
Mirage has been replaced with two new maps: Nuke and Office.
Nuke is now part of the competitive map pool after extensive testing.
Office is available for deathmatch and casual game modes.
Casual game mode has been added.
Rare cases where bullets did not follow the spray pattern have been fixed.
Distance effects have been added to positional sound sources.
Improvements have been made to 3D sound processing.
General mix tweaks and improvements have been implemented.
Various bug fixes related to sound occlusion and volume.
Grenades can now be inspected.
Healthshot animations have been improved.
Inspect behavior for various weapons has been enhanced.
Bug fixes for unintended slow crouch/uncrouch.
Bunny hopping now closely resembles the experience in CS:GO running at 128 tick rate.
Fine-tuning of bunny hop feel is now possible with a new console variable.
Maximum speed readout in cl_showpos now shows the last 3 seconds.
Jumping at the end of warmup time is no longer possible.
Game delta frames are now sent asynchronously, reducing server CPU usage and dropped ticks.
Various bug fixes related to weapon rendering, spectator mode, loading screen, and UI improvements.
The update aims to address specific issues, enhance gameplay mechanics, and provide a more authentic and stable experience for players.