Chris January wrote:
So, 3-state switch in message list header (http://trac.roundcube.net/ticket/1485936) is not sufficient. Second option, use status column header for this is in my opinion not intuitive and we'll use probably this for different purposes in the future (e.g. column selection). I don't like also a third option, adding 'No.' column. Any ideas?
The message threading patch implements this using three clicks on the Date column sorts by index (for most IMAP servers index ~ date). This is useful when used with X-REFERENCES2/X-REFS where the 'natural' sort order is 'most recent message in thread'.
As I said, 3-state switch does not allows to sort ascending and descending. I've got a fourth option. Clicking on date column header, but: