Can confirm the fix on Win 10 using Version 115.5.2, which is mentioned in release notes."FIXED Parent folders with collapsed subfolders did not consistently display new mail indicator or message count for subfolders"From testing 115.5.2, it also see...
Having just updated to 115.3.2 (64-bit) I still see the issue where incoming mail filtered into subfolders only show as highlighted at its destination folder, not the parent folder.
The behaviour I see with incoming mail filtered into subfolders with Message Filters is parent folders show incoming mail, but only as a grey unread mail icon number, or increase to any existing number.So if several parent folders have an existing un...