Not seen a release announcement on Vogons for this yet. Some copy/paste from his site (https://yeold.press/extra-life-2026-wolf3d-re … lt-for-charity/):

It’s Wolfenstein 3-D and Spear of Destiny rebuilt as a 32-bit DOS game, with things the 1992 original never had: four-player co-op and deathmatch over the internet, twice the resolution, distance shading, and sound effects that don’t cut each other off. It comes ready to play on Mac, Windows and Linux: download, double-click, done.

And the rest:

• Sound mixing: up to 8 sound effects at once.
• Bigger levels: 600 enemies, 1024 objects, 128 doors.
• Optional textured floors and ceilings if you like that look: press F on the Change View screen.
• Ready-made packages with the DOSBox Staging emulator built in, and a floppy installer for real retro PCs.

It's free but a donation is appreciated. The donation goes to Nationwide Children’s Hospital.

Tried the multiplayer (and textures) in DOSBox-X and works great. On my 386SX laptop (with Adlib sound) it hang on the sound card detection screen though.