Making a significant improvement to an answer already accepted or upvoted, where to put update?
16653
How to deal with obsolete answers?
48847
How can I acknowledge, thank, or otherwise approve of an edit?
147652
Get a notification when new answers are added to other people's question
76545
changing your answer to match someone else's
54812
Comment upvote, undo, and then re-upvote: why not?
84067
How to deal with upvoted yet clearly wrong answers
133049
Way to convert an answer to a comment?
7768
What should be done with questions that have been resolved as a comment instead of an answer?
116157
New reputation is too verbose: upvote/unupvote, upvote again
38307
Does the OP of a question get a message in the inbox when I update my answer?
157451
Adding new results during review process
30736
Is it ok to tell the OP to accept an upvoted answer?
90029
Is it ok to answer based someone's older answer on SE?
15592
Can I accept an already rejected edit (to my own post)?
38792
Regain of reputation from downvoted and deleted answers - update FAQ
85505
Answer with more upvotes appears above accepted answer?
1897
Should Suggested Edits change the technical content of a post?