They are coming for GOG too. According to a post on another forum of a partial changelog for the upcoming patch (for the Enhanced Edition) by a Nightdive Studios' developer:
- Added missing audio and text localization (video localization to come in a later patch)
- Added missing subtitle credits
- Added GOG achievements
- Fixed possible deadlocks and memory leaks
- Fixed various menus not responding to resolution changes
- Fixed menu sliders sound loop when dragged with the mouse
- Fixed Borderless Window setting on PC not sticking
- Added setting to disable widescreen borders
- Added setting to change ingame brightness
- Fixed McCoy not being able to walk freely in certain rooms (eg. Runciter's)
- Fixed subtitles not displaying during outtakes
- Fixed outtakes not playing at 60fps
- Fixed fog not rendering correctly in certain rooms (eg. Chinatown)
- Fixed McCoy clipping into vehicles in certain rooms (eg. Runciter's)
- Fixed green flicker during transitions
- Fixed items not displaying after loading a savegame
https://www.resetera.com/threads/blade-runner-enhanced-edition-available-now-on-pc-ps4-xb1-and-switch-9-99.599316/post-89098830