Earlier quoted context omitted.
My memory is fuzzy on this but didn’t most consider Winamp 2.x the best. Winamp 3.x was considered bloated. So to help rectify the problems of 3.x, Winamp release version 5.x (the best of 2 + 3). Though I recall many still used version 2.x even after the 5.x release. Question: so when you say folks are trying to keep the "last version" alive, which version are you referring too since later versions weren’t loved.
I currently use 2.95 and see no reason to update. But I listen rarely mp3's in the last years.
The best feature that it seems no other player has reproduced yet is being able to hit the J key to do an instant search for a song, with 0 latency: the search narrows down the songs as fast as you hit the keys.
But I've noticed that there are now a few files that sound scratch when played, perhaps they're 48 kHz or something...