They absolutely do. In this case litellm 1.82.8 had been out for at least a week (can’t recall the exact date offhand). The compromised version was a replacement.
It actually wasn't. That was one of the reasons why I looked into what was changed. Even 1.82.6 is only at an RC release on github since just before the incident.
So the fact that 1.82.7 and then 1.82.8 were released within an hour of each other was highly suspicious.