is aborted, and changes are reverted. This may help to avoid many
email duplicates if client disconnects during COPY and retries it
after reconnecting.
+ - master process was using 100% CPU if service attempted to create more
+ processes due to process_min_avail, but process_limit was already
+ reached. v2.3.15 regression.
- Using attachment detection flags wrongly logged unnecessary "Failed
to add attachment keywords" errors. v2.3.13 regression.
- IMAP QRESYNC: Expunging UID 1 mail resulted in broken VANISHED