From 885b0c10fad93868ee6d0384fb79d24818cb464c Mon Sep 17 00:00:00 2001 From: ellie timoney Date: Thu, 15 Apr 2021 12:45:23 +1000 Subject: [PATCH] release notes for 3.4.0 --- .../download/release-notes/3.4/x/3.4.0.rst | 109 ++++++++++++++++++ 1 file changed, 109 insertions(+) create mode 100644 docsrc/imap/download/release-notes/3.4/x/3.4.0.rst diff --git a/docsrc/imap/download/release-notes/3.4/x/3.4.0.rst b/docsrc/imap/download/release-notes/3.4/x/3.4.0.rst new file mode 100644 index 0000000000..7cfc73ec0f --- /dev/null +++ b/docsrc/imap/download/release-notes/3.4/x/3.4.0.rst @@ -0,0 +1,109 @@ +:tocdepth: 3 + +==================================== +Cyrus IMAP 3.4.0 Release Notes +==================================== + +Download from GitHub: + + * https://github.com/cyrusimap/cyrus-imapd/releases/download/cyrus-imapd-3.4.0/cyrus-imapd-3.4.0.tar.gz + * https://github.com/cyrusimap/cyrus-imapd/releases/download/cyrus-imapd-3.4.0/cyrus-imapd-3.4.0.tar.gz.sig + +.. _relnotes-3.4.0-changes: + +Major changes since the 3.2 series +================================== + +* DAV improvements +* Improved performance for users with large folders +* LITERAL- maximum size is now honoured (:rfc:`7888`) +* Support for the ESORT (but not CONTEXT) extension from :rfc:`5267` +* Experimental :draft:`JMAP for Sieve Scripts ` + support + (requires `jmap_nonstandard_extensions: yes` in :cyrusman:`imapd.conf(5)`). +* Experimental :draft:`Handling Message Disposition Notification with JMAP + ` support + (requires `jmap_nonstandard_extensions: yes` in :cyrusman:`imapd.conf(5)`). +* Experimental JMAP Backup extension (requires + `jmap_nonstandard_extensions: yes` in :cyrusman:`imapd.conf(5)`). +* Experimental JMAP Notes extension (requires + `jmap_nonstandard_extensions: yes` in :cyrusman:`imapd.conf(5)`). +* Experimental JMAP Blob extension (requires + `jmap_nonstandard_extensions: yes` in :cyrusman:`imapd.conf(5)`). +* Experimental JMAP Mail extension (requires + `jmap_nonstandard_extensions: yes` in :cyrusman:`imapd.conf(5)`). +* New cyrus.index format v17 adds changes_epoch field, needed by JMAP Backups + extension +* New `reverseuniqueids` :cyrusman:`imapd.conf(5)` option (default on), which + improves performance for users with large mailboxes +* Further improvements to the `reverseacls` :cyrusman:`imapd.conf(5)` + performance option +* Improvements to replication reliability and performance +* Experimental vnd.cyrus.log and vnd.cyrus.jmapquery Sieve extensions +* Experimental Sieve Snooze extension based on + :draft:`draft-ietf-extra-sieve-snooze` +* Experimental Sieve mailboxid extension based on + :draft:`draft-ietf-extra-sieve-mailboxid` +* Improvements to conversations +* New `mailbox_maxmessages_addressbook`, `mailbox_maxmessages_calendar`, and + `mailbox_maxmessages_email` :cyrusman:`imapd.conf(5)` options for providing + server-wide limits on the amount of objects in any one mailbox, independently + of quotas. These default to `0` (unlimited) for backward compatibility, but + are highly recommended for protecting your server from misbehaving clients. +* New IMAP create/delete behaviour based on + :draft:`draft-ietf-extra-imap4rev2`: mailboxes containing child mailboxes + can no longer be deleted; and when creating mailboxes, ancestors will be + created as needed. +* CRC32 optimisations +* :cyrusman:`quota(8)` and :cyrusman:`cyr_expire(8)` arguments are now in + the admin namespace like other tools +* Support for per-language indexing and searching +* SNMP support has been removed, as it was broken and unmaintained +* New `sync_rightnow_channel` :cyrusman:`imapd.conf(5)` option to enable + real-time replication to the specified channel as writes occur. +* Caching of mailbox state for quicker replication turnaround. Configure + `sync_cache_db` and `sync_cache_db_path` in :cyrusman:`imapd.conf(5)` to + enable. +* New `search-fuzzy-always` annotation allows per-user override of the + `search_fuzzy_always` :cyrusman:`imapd.conf(5)` option +* New `lmtp_preparse` :cyrusman:`imapd.conf(5)` option for parsing incoming + messages before locking the mailbox. +* New `search_index_skip_users` and `search_index_skip_domains` + :cyrusman:`imapd.conf(5)` options for skipping indexing of particular + users/domains. +* The HTTP Admin module's Currently Running Services feature now works + on the major BSDs (thanks Felix J. Ogris) +* :cyrusman:`squatter(8)` once again supports the ``-s`` option to skip + reindexing mailboxes which were not modified since the last index + (Squat backend only) +* :cyrusman:`squatter(8)` now supports long options +* Improvements to search query normalisation performance + + +Updates to default configuration +================================ + +The :cyrusman:`cyr_info(8)` `conf`, `conf-all` and `conf-default` subcommands +accept an `-s ` argument to highlight :cyrusman:`imapd.conf(5)` +options that are new or whose behaviour has changed since the specified +version. We recommend using this when evaluating a new Cyrus version to +check which configuration options you will need to examine and maybe set or +change during the process. + +* The `annotation_definitions` file is now loaded case-insensitively +* Implementations may want to revisit their `search_normalisation_max` + settings, but its default value 1000 is a good conservative choice. Current + server-grade hardware may use 20000 or more. + +Security fixes +============== + +* None so far + +Significant bugfixes +==================== + +* Fixed: Sieve Editheader Extension (:rfc:`5293`) now works correctly with + respect to section 7, Interaction with Other Sieve Extensions. +* Fixed :issue:`2598`: indexed search now works correctly with Squat engine + again