BlueMind 3.5.5-1 actually replaces BlueMind 3.5.5, bringing the following changes:
- BM-11630 Fix: cancel rejected tasks correctly to ensure the client gets an answer
 - BM-11647 Fix: remove confusing warning “bm-core-upgraders missing” on fresh install
 - BM-11653 Fix: rhel6 cyrus doesn’t start
 - BM-11661 Fix: return no synchronzation changes on inaccessible containers
 - BM-11662 Fix: failing check/repair after folder is moved
 - BM-11664, BM-11668 Imp: schema optimizations
 - BM-11670 Imp: new cache for directory entries
 - BM-11675 Imp: calendar optimizations
 - BM-11681 Fix: startup race issue between services
 - BM-11683 Fix: pending invitations list is not complete
 - BM-11692 Fix: lost mail after archive/unarchive
 - BM-11698 Fix: secondary identities lost when saving user
 - BM-11704 Fix: wrong container name after migration of distribution lists
 - KOR-12 Fix: Outlook connector issues (version mismatch, failing sync, complex recurrence patterns)
 - PIERFTE-37 Fix: authentication with empty password when using LDAP or AD
 - UDL-143 Fix: open Thunderbird calendar/task tab using auth on /native
 
We wish you a pleasant install/upgrade!