December was a month that saw heavy activity involving skinning, more skinning and models. There are several new monster skins by d1554573r and by mother, plus a new sniper rifle for the Thunderwalker CTF Mod. Plus there is an unbelievable new concept of the Quake player model in development.
Relevant Threads: Knight skin, Re-Done Knight Skin, Inspired monstering.
Direct3D 9 Quake
A beta version of a highly ambitious new Direct3D Quake is available. This is not the archaic D3DQuake from several years ago, but a freshly written port of the OpenGL graphics API to Direct3D by MH.
Soul Of Evil: Indian Summer
A new release of Soul of Evil: Indian Summer is out. This is an exotic single player release that includes some very different weapons and themes, such as vorpal swords that decapitate enemies like Hell Knights. Plus a devkit including the source code.