Feedbacks should be written on the specific file

[cloud26]

The specific comments for the file should be written on the file itself, not as general comments for the entire PR.

[Arcadia822]

If write on file, is it a must solved comment thread instead of a common comment?

[cloud26]

If write on file, is it a must solved comment thread instead of a common comment?

It depends on the project settings that whether the comment should be closed before merge.