In the Sync tool my most common mode is Subdirs + by content + ignore date.
Sometimes it is usable to know if the date on any equal files has changed, because this affects Compare Directories (Shift+F2) function.
Showing differing time stamps might be fairly cheap to implement - with boldface in the Date column, maybe.
Highlight different time stamps for equal files in Sync tool
Moderators: Hacker, petermad, Stefan2, white