Can't reply the old fashioned way in comments bug/feature where unambiguous
51569
Don't remove the @ part of my comment
133560
Omit comment replies from the minimum character limit check
113721
Why comment reply auto-completion feature (@) sometimes doesn't work?
61518
Old answers converted to comments shouldn't show up as new messages in the global inbox
5563
Asking users to accept answer when they comment that it answers their question
68751
Unable to post any answer or comment with UNION - ALL
92914
Comments, questions and answers don't trim Unicode U200B when counting characters
114694
Editing old/others' comments
18033
How do I use formatting in comments?
37700
How can I ask for clarification on a question I'd like to answer if I can't add comments?
16985
Comment notification shows up under responses, but not top bar inbox
1196
How do I get attention for old, unfixed bug reports and feature requests without official responses here on Meta?
62956
"Comments only" lock notice on closed questions mistakenly says that question is still accepting answers
81477
Please fix jarring new page jump when posting comments
155147
Comment links fail when next to non-whitespace
134930
Please make the multiple comment timer less annoying (non-resetting etc.)
10373
Can we get rid of the threshold of 15 chars for comments?