What to do when the question is updated to make your answer obsolete
15942
Exit strategies for "chameleon questions"
134240
Deleting self-answered question gets "Delete this answered question" warning
143561
When an answer is deleted change person listed as last modifier
84428
Editing the question such that it answers itself
39269
What to do when someone other than the author changes a question to fix a substantive problem with the code
112724
Lost reputation points, when user asking the question no longer exists
83017
Is there a way to tag a question as old or outdated?
146187
What to do when the OP mutilates their own question?
10293
How should duplicate questions be handled?
57056
Opinions on closing an older question as a duplicate of a newer question
134797
Refresh "Questions that may already have your answer" after adding tags based on these tags
87154
What to do if an out of date question+answers already exists?
152813
No way to delete an answered question
78761
How do I approach existing questions to which I believe the answers are inadequate?
83010
What should I do about a question where the OP has quoted an answer in the question but not accepted it?
14309
Collapse comments on old questions
74189
Stop an edited deleted answer from bumping the question