Patch 1.0.1 is a huge STALKER 2 polish pass updating various issues with the game, as well as tweaking balance for some of the game's biggest pain points.

source https://www.windowscentral.com/gaming/stalker-2-gets-its-first-post-launch-patch-with-650-fixes-in-tow-including-nerfs-to-mutants-and-improvements-to-xbox-gamepad-deadzones