That and a few other useful things like changing all sprites from one tile to another. This is a utility to convert a Duke Nukem v1.3d USER.CON file to run in version 1.5. If you already have Build vers 1.4 you can still use Bpatch to patch your Build so to execute in any directory you wish. The same goes for - if you only have Duke v1.3. I guess this patch allows build 1.3 to be used with 1.4 maps aswell.
Some modifications are just the authors features, rather than fixes.
You can get a 32bit wavetable without having to upgrade your actual sound card. You will notice a BIG difference. Creative Labs, Inc. 10 Adds support for Creative's MPU401 port to several programs which currently support Roland's MPU401 cards but fail to work with the Sound Blaster 16.