I can confirm iOS 18.2.1 has no included IMAP IDLE fix. To verify this
assertion I did:
1. quit iOS Mail app AND shutdown my iPhone.
2. updated and commented out the imap_capability flag on my dovecot server:
conf.d/20-imap.conf (commenting it out means the defaults (including IDLE) will
be supp
Well, I uncommented the imap_capabilities flag and REMOVED the IDLE capability
and now iOS 18 Mail client is getting and syncing emails. I suspect the folks
over at Stalwart were on to something I just don't know why command
pipelining had to be added by Apple for the important IDLE feature
FWIW, I uncommented the imap_capabilities flag in my conf.d/20-imap.conf file
and added everything to that line except IDLE. After removing IDLE from the
capabilities flag, mail started to sync to iOS Mail. This is strange. I also
noticed what appears to be a very HEAVY use of dovecot by the mai
Several folks using dovecot (and others) have run into this bug as reported
above. Not specific to attachments, but in general, broken syncing of Apple
Mail shipped with iOS 18.x.x - everything is fine with Apple Mail shipped with
iOS before iOS 18...and macOS Mail Version 16.0 (3826.300.87.4.3)
