The update addressed critical technical and gameplay issues that plagued the game at launch:
A was added to the settings, making driving much easier for keyboard users. Download Cyberpunk 2077 v1.2-CODEX Update 1.2...
The CODEX release of this update (specifically Cyberpunk.2077.v1.2-CODEX ) was a standalone update installer. Unlike the official GOG or Steam updates, which could require massive amounts of temporary drive space (up to 400GB for some GOG users), the CODEX version was often preferred by users with limited disk space as a "standalone" solution. It also typically included a to allow for multi-language support. Patch 1.2 — list of changes - Cyberpunk 2077 The update addressed critical technical and gameplay issues