Zircon Beta Release #8 (Win64 binary, source code) file
Fixed zircon_beta_gcc.exe vid_restart oddness with SDL2 version upgrade. "sv_gameplayfix_fiendjumpfix 1" -- the fiend and dog jump fix from DarkPlaces Beta, should potentially the uncommon occasion where a fiend or dog gets stuck in air (DarkPlaces Classic...
Darkplaces Beta Darkplaces Classic Join Game New Game Zircon Enginea Darkplaces Markv Project Mod For Quake Ircon Beta Release 8 Win64 Binary Source Code
Source: moddb.com