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5.6.3

Version published 2026/08/12

Changelog published on 2026/08/12

WebMail (Mail App)

  • BM-23930: Fix: The warning about permissions that are incompatible with Outlook now appears only for shared mailboxes.

Preferences

  • BM-24057: Fixes: The "Subscribe to Other Containers" window could appear with empty space around the search box.

Administration

Access Control (ACL)

  • BM-24038: Fix: Shared address books, calendars, and to-do lists no longer incorrectly disappear from the sharing list after sharing rights are changed.
  • BM-24038: Fix: The sharing editor no longer crashes when the only remaining sharing right on an item is "Extended Read."

bm-cli

  • BM-23865: Fix: Improved reliability of internal tests related to connection audit journaling.

Core

  • BM-24090: Fix: Values that are too long in the audit logs are now properly truncated, which prevents blocking errors.
  • BM-24090: Fix: Address books, calendars, to-do lists, and notes linked to a shared mailbox are now properly synchronized with that mailbox's permissions; a user can no longer unintentionally reduce their own permissions on these items.
  • Fix: Internal reliability improvements related to caching (container recreation, map sharing).

Directory

  • BM-24010: Fix: When password authentication is disabled for an account, it is now disabled immediately instead of remaining active for up to 10 minutes.
  • Fixes: After changing the password or account type, the displayed account information might temporarily remain out of date due to an outdated cache that has not been upgraded.

Keycloak

  • BM-24092: Fixes: a logical error in domain resolution.

Mapi

  • Fix: Each instance now uses its own internal backup file, which resolves a concurrency issue.

Anti-spam and email journaling (Milter)

  • BM-24027: Fix: The "Send As" feature and global delegations can no longer be applied to a domain other than the sender's (security vulnerability fixed).
  • BM-24061: Fix: Email journaling now takes into account all domain aliases, rather than just the default alias, which prevents legitimate emails from being incorrectly ignored.

Videoconference

  • BM-24064: Fix: The join link sent to participants in a Pexip meeting is no longer invalidated during an upgrade of the meeting.

Others

  • BM-23909: Fix: Improved performance for certain date-range searches.