I was investigating self-deleted questions and noticed that several are missing from the Recently Self-Deleted Posts list: https://cs.stackexchange.com/questions/52567/determining-length-of-a-walk-in-nfa-with-lambda-transitions, https://cs.stackexchange.com/questions/52521/calculating-time-complexity, https://cs.stackexchange.com/questions/52272/spanning-forest
One thing they have in common is that they are all questions that have a zero-score answer that was deleted together with the question. I don't know whether that's the source of the bug or just an observation bias (deletion of zero-score answers through question deletion is what I was investigating in the first place).
The deletions are weeks old so it's not just caching.
(Note: this is a moderator tool, links are ♦ only.)
