via http://www.aep-emu.de/
D2X-XL is an OpenGL-port of Descent II.
Supported platforms are Linux, Mac OS X and Windows.
Quote:
v1.16.16:
- Fixed: When colored segment rendering was turned off, colored walls were rendered between adjacent water and adjacent lava segments
- Fixed: With standard lighting, faces bearing rotated overlay textures had their base textures erroneously rotated, too
For the complete changelog, please visit the official site