In CS 2, they addressed weapon issues and introduced updates to stickers

On the night of January 5th, Valve released an update for CS 2, addressing several gameplay issues and adjusting sticker wear to align more closely with CS:GO.

• Fixed a delay when loading map images in the "Play" menu.
• Items that cannot be used will no longer appear in the equipment menu.
• Addressed an issue where equipment items couldn't be unequipped.
• Changes to equipment now persist even if the game is closed soon after alterations.
• Resolved a delay when changing character equipment in the main menu.
• Improved demo playback and fixed visual issues.
• Fixed an animation issue in CSTV broadcasts.
• Some community stickers now have adjusted wear levels to better match CS:GO.
• Simplified grenade collision with angled surfaces and the central column at point B on the Ancient map.
• Adjusted clipping at point A on Anubis.

Previously, Valve conducted a significant wave of bans in CS 2, impacting many cheaters, including the world leaderboard's top player. According to information from Maxim "Gabe Follower" Poltayev, many banned players were using a no-spread function.