Without specific patch notes for 1.10.163, we can infer based on general patch trends for Fallout 4:
The version of Fallout 4 available on GOG.com is permanently locked at 1.10.163, making it the easiest way to access this build without manual downgrading. fallout 4 patch 110163 hot
The reason this specific keyword is "hot" right now is the widespread use of . Since Steam and other platforms automatically update games to the latest version, players have turned to specialized software to revert their files. Without specific patch notes for 1