auth: Support OAUTHBEARER and XOAUTH2 mechanisms. Also support them
in lib-dsasl for client side.
imap: SEARCH/SORT may have assert-crashed in
client_check_command_hangs
imap: FETCH X-MAILBOX may have assert-crashed in virtual mailboxes.
search: Using NOT n:* or NOT UID n:* wasn't handled correctly
fts: fts_autoindex_exclude = \Special-use caused crashes
doveadm-server: Fix leaks and other problems when process is reused
for multiple requests (service_count != 1)
sdbox: Fix assert-crash on mailbox create race
lda/lmtp: deliver_log_format values weren't entirely correct if Sieve
was used. especially %{storage_id} was broken.
imapsieve plugin: Fixed assert failure occurring when used with virtual
mailboxes.
doveadm sieve plugin: Fixed crash when setting Sieve script via attribute's
string value.
- auth: Auth caching was done too aggressively when %variables were
used in default_fields, override_fields or LDAP pass/user_attrs.
userdb result_* were also ignored when user was found from cache.
- imap: Fixed various assert-crashes caused v2.2.20+. Some of them
caught actual hangs or otherwise unwanted behavior towards IMAP
clients.
- Expunges were forgotten in some situations, for example when
pipelining multiple IMAP MOVE commands.
- quota: Per-namespaces quota were broken for dict and count backends
in v2.2.20+
- fts-solr: Search queries were using OR instead of AND as the
separator for multi-token search queries in v2.2.20+.
- Single instance storage support wasn't really working in v2.2.16+
- dbox: POP3 message ordering wasn't working correctly.
- virtual plugin: Fixed crashes related to backend mailbox deletions.
