Add option to vote for a question to stay open
17797
How about a "Vote not to close" option to counter the "Vote to close"?
126149
Notify users of a question they closed being edited or nominated for reopening
108099
Add a downvote option in the VLQ review
31967
Place questions with X net downvotes on hold automatically
75908
Add "Questions edited after closing" review task
38781
How can I get a notification when someone else's question is reopened?
111135
Asking upvote for accepted answer
21636
Let me edit a post in the close review, then vote to close it
154543
Add the ability to go to the next/previous question when viewing a question
25593
Encourage users to select 'Accepted Answer' for old Questions
137952
Allow changing votes on answers if the question is edited
149440
Please don't require answer votes to be cast before question votes
108403
Hide the "please vote" banner when user votes
37008
Show "this question has an active bounty and cannot be closed" earlier, when it applies
86991
Keeping the upvote animation after april 1st has passed
119103
Allow downvoting comments
69198
Why can I vote to reopen a deleted question?