This game hasn't been updated in a while, but the Evoland homepage indicates it's been patched twice since April - will the GOG version be updated as well?

For everybody who's interested what changed, here's the log:
v1.1.2491:
- hot bugfix on OSX : several 3D parts of the game sometimes showing black screen

v1.1.2490:
- overall performances improvements
- optimized monster path finding in hack n slash level
- streaming of some big levels
- upgraded to FP 11.6/AIR 3.8
- optimized light assignement to reduce shader updates in hack level
- changed algorithm for point lights in hack level (use normals + multiply)
- better looking hero ambient lighting in hack level
- use WinXP dinput8.dll (should prevent some pad.exe crashes on XP)
- allow heal during bombs quest
- heal hero when kaeris leave in aogai
- allow talking to merchant while airship is near
- fix airship recovery in sacred grove
- fix hero-in-a-rock when going back to start level
- few typos

v1.1.2349:
- fixed regression with action/cancel handling (some locked dialogs)