From MaGog's logs for 12 March:
NOTE! CHANGED Dreamfall Chapters [Season Pass], file_size: 3 GB ***TO*** 4.4 GB
NOTE! CHANGED Hotline Miami 2: Wrong Number - Digital Comics, os: Windows (XP, Vista, 7, 8) ***TO*** Windows (XP, Vista, 7, 8) and Mac OS X (10.6.8 or newer) and Linux (Ubuntu 14.04, Mint 17)
NOTE! CHANGED Hotline Miami 2: Wrong Number - Digital Comics, sys_req_mac: ***TO*** Missing!
NOTE! CHANGED Hotline Miami 2: Wrong Number - Digital Comics, sys_req_linux: ***TO*** Missing!
NOTE! CHANGED Stronghold HD, os: Windows (XP, Vista, 7, 8) ***TO*** Windows (XP, Vista, 7, 8) and Mac OS X (10.6.8 or newer)
[GOG apparently just fixing a game page bug they had introduced earlier today]
NOTE! CHANGED Tex Murphy: Mean Streets + Martian Memorandum, os: Windows (XP, Vista, 7) and Mac OS X (10.6.8 or newer) ***TO*** Windows (XP, Vista, 7) and Mac OS X (10.6.8 or newer) and Linux (Ubuntu 14.04, Mint 17)
NOTE! CHANGED Tex Murphy: Mean Streets + Martian Memorandum, sys_req_linux: ***TO*** Ubuntu 14.04 / Linux Mint 17, Processor: 2.0 GHz, Memory: 1 GB RAM, Graphics: 256 MB VRAM, OpenGL compatible
NOTE! CHANGED Tex Murphy: The Pandora Directive, os: Windows (XP, Vista, 7, 8) and Mac OS X (10.6.8 or newer) ***TO*** Windows (XP, Vista, 7, 8) and Mac OS X (10.6.8 or newer) and Linux (Ubuntu 14.04, Mint 17)
NOTE! CHANGED Tex Murphy: The Pandora Directive, sys_req_linux: ***TO*** Missing!
NOTE! CHANGED Tex Murphy: Under a Killing Moon, os: Windows (XP, Vista, 7, 8) and Mac OS X (10.6.8 or newer) ***TO*** Windows (XP, Vista, 7, 8) and Mac OS X (10.6.8 or newer) and Linux (Ubuntu 14.04, Mint 17)
NOTE! CHANGED Tex Murphy: Under a Killing Moon, sys_req_linux: ***TO*** Ubuntu 14.04 / Linux Mint 17, Processor: 2.0 GHz, Memory: 1 GB RAM, Graphics: 256 MB VRAM, OpenGL compatible