Zircon Engine Initial Alpha Release 31 (Wndows binary, Linux binary) file
R_waterwarp 2 (twisty underwater effect in part contributed by an unknown guest user), improved Linux experience ("folder" works, gamedir completion works, etc.), deformvertex support for "bulge" and "roundwave" from Blood Omnicide DarkPlaces, map menu...
Darkplaces Mark Arcane Dimensions Zircon Enginea Darkplaces Markv Project Mod For Quake Ircon Engine Initial Alpha Release 31 Wndows Binary Linux Evelopment Tools
Source: moddb.com