# BlueMind 4.5 is available for download! **URL:** \ **Category:** Announcement\ **Created:** [May 4, 2021, 3:01pm UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524 "2021-05-04T15:01:12Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [May 4, 2021, 3:01pm UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/1 "2021-05-04T15:01:12Z")
Release notes: [https://download.bluemind.net/bm-download/4.5.0/changelog.html?lang=en](https://download.bluemind.net/bm-download/4.5.0/changelog.html?lang=en) Documentation: [https://forge.bluemind.net/confluence/display/BM4/Nouveautes+BlueMind+4](https://forge.bluemind.net/confluence/display/BM4/Nouveautes+BlueMind+4) ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [May 6, 2021, 6:21am UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/2 "2021-05-06T06:21:09Z")
## changelog 4.5.0 =\> 4.5.1 - BM-17180 Fix: consolidate upgraders on migration ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [May 17, 2021, 12:50pm UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/3 "2021-05-17T12:50:02Z")
## changelog 4.5.1 =\> 4.5.2 - BM-14896 Fix: python-bm-client python3 compatibility - BM-17190 Chore: mvn 3.8.1 support - [mapi] Fix: compression heuristics - BM-17196 Fix: RHEL8/CentOS8 bm-nginx installation ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [May 21, 2021, 9:19am UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/4 "2021-05-21T09:19:48Z")
## changelog 4.5.2 =\> 4.5.3 - BM-17172 Fix: jitsi template description - BM-17193 Imp: AC filter by shard, use server name rather than UID - [mapi] Imp: get rid of O(n^2) look-ahead in lzx compression and switch to hash based linear matches - [mapi] BM-17183 Fix: delete indices from previous execution when initializing index map - BM-17200 Fix: expand/collapse videoconf description - Make mailboxes db rewrite & acl repair admin0 consistency - BM-17203 Imp: AD canonicalName attribute ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [June 1, 2021, 1:21pm UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/5 "2021-06-01T13:21:19Z")
## changelog 4.5.3 =\> 4.5.4 - BM-17235 Fix: hot upgrade should retry on failures - [mapi] BM-17242 Chore: declare named properties for ESET antivirus - BM-17234 Fix: accept all characters on OU label except / - BM-17227 Fix: check LDAP connection from AC - [mapi] Chore: npp for raw messages - BM-17232 Fix: don’t stop on error when indexing prereplicated bodies - BM-16809 Fix: hollow, skip global.virt serialization - DATAXP-198 Fix: MS Teams invitation KO - BM-16762 Fix: exception on reminder verticle execution ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [June 4, 2021, 4:07pm UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/6 "2021-06-04T16:07:13Z")
## changelog 4.5.4 =\> 4.5.5 - [core] BM-17260 Fix: erroneous flag edit by hot upgrade - BM-17197, BM-17210, BM-17233, BM-17243, BM-17247 Fix: videoconf corrections - FEATBL-1363, FEATBL-1378, FEATBL-1379, FEATBL-1380 Feat: introduce starleaf videoconf provider - BM-17236 Fix: upgrade to NGninx 1.20.1 ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [June 8, 2021, 2:44pm UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/7 "2021-06-08T14:44:48Z")
## changelog 4.5.5 =\> 4.5.6 - BM-17253 Fix: installation global state was broken with alert level INFO - IEQ-2462 Fix: incorrect branch reference for vue-apps/mail-app build ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [June 10, 2021, 6:11am UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/8 "2021-06-10T06:11:17Z")
Caution: our password policy has evolved and authentication issues may occur with external directories. We are currently working on a fix. ---
**Author:** ![invisart](https://forum.bluemind.net/letter_avatar_proxy/v4/letter/i/7feea3/32.png) [@invisart](https://forum.bluemind.net/u/invisart)\ **Post date:** [June 17, 2021, 12:42pm UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/9 "2021-06-17T12:42:38Z")
OK merci pour l’info ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [June 21, 2021, 6:35am UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/10 "2021-06-21T06:35:12Z")
## changelog 4.5.6 =\> 4.5.7 - BM-17257, BM-17266 Fix: hot upgrade - BM-17254 Imp: CyrusFileSystemCheck performance - BM-17295 Fix: RC folder creation if no role\_manage\_user\_settings - [adminconsole] BM-17270 Fix: allow allAliases on groups and mailshares - BM-17275 Chore: upgrade to PostgreSQL 12.7 - BM-12642 Fix: “empty trash on logout” preference - BM-17276 Fix: delete videoconf - [mapi] BM-17242 Fix: property declaration for ESET Smart Security - [mapi] FEATBL-1442 Fix: compute extra deletions according to outlook hierarchy - [mapi] FEATBL-1441 Feat: mapi forget-data command for bm-cli - [mapi] Fix: Outbox handling consistency - [mapi] BM-17280 Fix: possible GAL lock on empty mailshare - [cli] Chore: bm-cli mail unexpunge empty lines in log - [mapi] BM-17230 Fix: GALMailUserEntryId holding OneOffEntryId instead instead of PermanentEntryId - [lmtpd] EORIS-133 Chore: when the mapi server can’t transform a tnef (winmail.dat) to a clean eml, keep a copy of the tnef & deliver pristine - [mapi] Fix: 0% completion when PidListPercentComplete is empty - [mapi] COAX-681 Imp: mail throughput - [replication] FACTORFX-489 Fix: retry policy on restauration - [upgrade] Imp: make use of extra (\> 6) CPU cores - [upgrade] BM-17258 Fix: cyrus multiple restarts when too slow to start - Fix: 3 missing characters (;\<\>) from our azure/ad-like password policy - [http] Fix: hint basic-auth clients that we want utf-8 bytes passwords (RFC7617). Allow passwords that don’t match internal policy. Try iso-8859-1 when utf-8 decoding yelds unmappable characters. ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [June 25, 2021, 4:06pm UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/11 "2021-06-25T16:06:18Z")
## changelog 4.5.7 =\> 4.5.8 - BM-17320 Fix: never remove user@domain.uid email alias as this might cause inconsistencies - [mapi] BM-17304 Fix: add support for handling PtypMultipleInteger16 props, even if nothing in MS-OXPROPS has this type - BM-17329 [MailApp] Fix: translate file size units - BM-17312 Chore: Container create, throws an exception if owner not found / wrong datasource - BM-17251 Imp: calendar popup details - BM-17296 Fix: can’t open backup from DataProtect browser ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [August 5, 2021, 10:22am UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/12 "2021-08-05T10:22:46Z")
## changelog 4.5.8 =\> 4.5.9 - [tbird] FEATBL-1364 Feat: compatibility with next thunderbird esr version 91 - BM-17481 Fix: sieve vacation issue with “@” char - Fix: update client dependencies - BM-17388 Fix: starleaf provider - BM-17406 Imp: remove invalid warning from log - [mapi] BM-17418 Fix: inconsistent outlook hierarchy display - [mapi] BM-17412 Fix: can’t display mailshare in outlook - [mapi] FEATBL-1510 Feat: add --authz to bm-cli mapi tree, hierarchy & inbox commands so they can act as a shared mailbox or a room mailbox - [fail2ban] INFTEL-45 Fix: when fail2ban is used together with bm-mapi, outlook sends concurrent auth requests which could trigger false positives - [mapi-api] Fix: folder rename sanitize - BM-17352 Fix: hot upgrade verticle timing, add bm-cli hotupgrade start command - [cli] Chore: slf4j bridge for JUL needs to be configured early to prevent hollow debug logs on every command - BM-17288 Feat: add bm-cli hotupgrade progress command - [sds] Fix: mapping vs with new mailshare fullNames (share.name/folder vs folder) - [replication] FEATBL-1455 Fix: replication issue when a ‘xxx’ folder is created inside an ‘xxx’ named mailshare - [mapi] FEATBL-1447 Fix: shared mailboxes response to outside/inside hierarchy events - [mapi] Chore: cache strategy for shared mailboxes (bm mailshares) as we don’t have the needed parent addressbook for them - [mapi] Chore: check default alias first when checking if autodiscover is working - [node] Fix: use a reply for websocket eventbus writes to prevent backpressure issue - [node] Fix: deal with websocket backpressure when a command produces fast output - [mapi] Chore: reduce netty PoolChunk direct memory hit as we don’t use it a lot & mapi response size is at most 1MB - [mapi] Fix: acl need-check condition was wrong - [mapi] FEATBL-1454 Fix: prevent sync issue for open, syncconfigure, getbuffer on a missing folder - BM-17385 Fix: ICS categories import - Fix: german translation - [migration] BM-17369 Fix: access violation in Redemption64.dll - DATAXP-208 Fix: empty message due to tnef parsing - Chore: hps lockup issue when topology is missing - [mapi] BM-17351 Fix: globalId format assumption - [imap] BM-17310 Fix: unclosed IMAPByteSource could trigger error logs about unclosed FileBackedOutputStream(s) - BM-17350 Fix: limit direct memory buffers allocated by NIO - BM-17337 Fix: PG max connection ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [August 11, 2021, 8:59pm UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/15 "2021-08-11T20:59:11Z")
## changelog 4.5.9 =\> 4.5.10 - BM-17501 Fix: remove typo after default group photo in contact - Fix: dont rely on installation date which may not exist ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [August 20, 2021, 12:08pm UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/16 "2021-08-20T12:08:17Z")
## changelog 4.5.10 =\> 4.5.11 - Fix: Guava goodFastHash does not produce a stable result when the JVM restarts. Fix corner cases where we wanted a stable value - [tbird] INSAT-220 Fix: broken description page for BlueMind file provider in tbird prefs - BM-17521 Fix: RH subscription update after BlueMind upgrade - [mapi] BM-17517 Fix: do not break email sync when an email contains an invalid ‘From:’ header (eg. From: john, From: \<@\>) - BM-17509 Chore: increase SSL handshake timeout for AHC node client - BM-17516 Chore: update PG to 12.8 - [tbird] BM-17510 Fix: reload bm tab if login page is displayed - [mapi] BM-17515 Fix: do not send mail to any recipient if one is rejected ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [September 2, 2021, 7:10am UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/17 "2021-09-02T07:10:55Z")
## changelog 4.5.11 =\> 4.5.12 - BM-17553 Fix: multiple elasticsearch clients for the same tag - Chore: upgrade to JDK 8u302-b08 - [sessions] Fix: never try to remove cache folder with an empty sessionId - BM-17384 Fix: max cyrus maxchild nagios check - [calendar] BM-17543 Fix: resource leak when using Calendar ICS sync - [migration] Imp: ex-migration-tool, script to repack installer with bm admin login and password set - BM-17530 Fix: admin delegation, check&repair - [mapi] BM-17312 Fix: init public folders hierarchy/test coverage ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [September 3, 2021, 6:34am UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/18 "2021-09-03T06:34:11Z")
## changelog 4.5.12 =\> 4.5.13 - BM-17561 Chore: allow TLSv1 and TLSv1.1. If your active directory or openldap does not support tls1.2 or better, you will not be able to login with BM 4.6.0. Every ssl/tls access from bluemind will require tls1.2+ (calendar sync, nextcloud integration, etc). RFC, [JDK-8202343](https://bugs.java.com/bugdatabase/view_bug.do?bug_id=JDK-8202343). - BM-17551 Fix: Outlook drafts sync ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [September 16, 2021, 2:46pm UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/19 "2021-09-16T14:46:44Z")
## changelog 4.5.13 =\> 4.5.14 - [webmail] BM-17581 Fix: search result in mailshare subfolder - BM-17596 Fix: can’t edit resource in admin console - BM-17532 Fix: ignore broken HEAD call when syncing calendars - Fix: socket leak when calendar upstream server does not return HTTP 200 - [mapi] Chore: rate limit writes in sync issues folders - [mail-api] Imp: logs when an imap command + replication promise trigger a timeout - FEATBL-1533 Feat: allow Rop to return logging informations - [mapi] Perf: fail-fast condition to lzx compression when we have more than 70% distinct triplets. Pre-alloc the triplets map when we can proceed - [tbird] WORTEKS-231 Fix: Thunderbird contact sync - [mapi] FACTORFX-500 Fix: excessive memory consumption when dealing with large range of ids ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [September 28, 2021, 10:51am UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/20 "2021-09-28T10:51:15Z")
## changelog 4.5.14 =\> 4.5.15 - [mapi] BM-17620 Fix: new shared folders don’t appear in Outlook - BM-17622 Fix: error on event due to null description - FEATBL-1539 Fix: avoid uploading attachments when sync is error - BM-17549 Fix: missing action buttons on invitation in Outlook - [mapi] BM-17551 Fix: draft sync - BM-17583 [AC] Fix: mailflow rules altered when domain is saved - BM-17594 Fix: allow sudo on archived users from mapi - BM-17607 Fix: ICS import - [mapi] FACTORFX-500 Fix: datastructure when merging client state with server state to avoid memory issues ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [September 28, 2021, 10:51am UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/21 "2021-09-28T10:51:22Z")
## changelog 4.5.15 =\> 4.5.16 - Chore: incorrect release number - Chore: adding bm-mailbox-role server very slow ---
**Author:** ![deav](https://forum.bluemind.net/user_avatar/forum.bluemind.net/deav/32/3_2.png) [@deav](https://forum.bluemind.net/u/deav)\ **Post date:** [September 30, 2021, 1:42pm UTC](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524/22 "2021-09-30T13:42:45Z")
## changelog 4.5.16 =\> 4.5.17 - [mapi] BM-17645 Fix: wrapped entity id can also contain resource - [mapi] BM-17637 Fix: on RopSetPropertiesRequestCodec exception, log and ignore failure - BM-17642 Fix: error when moving messages [Next page](https://forum.bluemind.net/t/bluemind-4-5-is-available-for-download/3524.md?page=2)