[peppermint_gum]

I'm also interested in learning about it. I've only found this thread on Twitter: https://x.com/virtuallyfun/status/1804913568820699549

Apparently there are all kinds of goodies in that dump, like previously unknown betas of MS-DOS and OS/2, but there are no links to the dump itself. It's a shame that the community is so secretive about this :(