Sound and Music support
High-resolution mode
Full TCP-IP Network support
In-a-window mode
PWAD level support
Hardware acceleration(requires Direct3D compatible 3D card)
Matrix support for full 3D!
Compre ed WAD file support(including WAD file compre or)
Improvements in version 1.10
Much improved setup utility, including more gfx options
Easier netgame setup via. setup utility
Improved sound support (hopefuly!)
Better (more efficient) Direct3D texture management
Music!
Various bugfixes