Regarding the time that must pass between posting and acceptance of an answer
21437
The Complete Rate-Limiting Guide
148502
Two accepted answers
117800
Comments not showing time of posting under some circumstances
111135
Asking upvote for accepted answer
94817
Allow me to save an answer
109956
How should we treat "don't forget to accept my answer" comments?
35919
Is accepting an answer discouraging more answers?
32241
Why must I wait two days before accepting my own answer?
68100
Is time relevant for getting better answers?
121836
A better answer was posted long after accepting another. Should I accept the new one?
108053
If I can't flag a post, don't wait until after I've typed an explanation to tell me so
49880
Reminder of bounty expiration on someone else's question
113570
Can reviewers have reserved time when they're reviewing a post?
142942
"Seen" status is earlier than the user's last post
55271
Can we raise the bar for reputation for late answers to bypass the review queue?
100205
Make it possible to prevent voting on time-limited questions in meta without a historical lock
13425
Vote can't be changed if answer is edited too quickly