User improvements suggestion: marking a question
30609
How do question bookmarks work?
19115
Mark a comment as the answer to a question
96777
Ways to give users some specific education about question quality and topicality
139624
Adding a way to mark answer as "partially accepted"
33698
Editing old questions
66277
How to make Stack Overflow tell you about a new question with certain tag(s) the second it is asked?
70256
Notify question OP (and those who marked it a favourite) if an answer has been modified
54976
Should we remind users with a link to their question?
69992
Could we have the ability to mark a change as minor in questions or answers?
62870
Tab for questions that are labeled with favorite tags
84094
Change the way a closed question is marked
22991
A way for "new users" to ask about their post specifically
30441
Please add a way to reach the question's site from the question
76054
Add a message when posting to old questions with more than N answers
97221
How to encourage voting on questions
5563
Asking users to accept answer when they comment that it answers their question
77534
Best practice for marking own questions that could belong on another/multiple sites