well that didn't last long, but the source code license was pretty bad, so this is not unexpected. https://arstechnica.com/gadgets/2024/10/winamp-really-whips-open-source-coders-into-frenzy-with-its-source-release/
Winamp deletes entire GitHub source code repo after a rocky few weeks

Winamp released its source code with a license that drew a lot of attention. That’s when other apps’ code was found inside.

Ars Technica
@djlink I saw some posts about people or bots were opening issues in their repo, but I did not understand the reason, that's just a code of nostalgia who uses winamp now 🤓
@thejvmbender the problem was the license they made for the source code
@djlink @thejvmbender yeah, a sad story! Hope they will get back with MIT license for Winamp.
@djlink Also, from what YouTube told me, the repo also included keys they had just deleted (but were still in the history) and it included proprietary code owned by Dolby. Clown school!