Added: "Video Conference Type" option to both Calendar and Scheduling appointments, to facilitate integration with multiple video conferencing options.
Changed: Renamed "Max Inbox Messages for Classification" to "Automatic Classification Inbox Message Limit".
Fixed: New email pop-outs sometimes load a blank page with just a spinner.
Fixed: SMTP does not evaluate MAIL FROM argument for SMTPUTF8 as case-insensitive.
Security: Fixed a possible path traversal with user mailboxes.
Security: Hardened legacy SOAP API calls for System Administrators.
Security: Hardened System Administrator token usage and permission access.
Security: Hardened user mailbox authentication caching.
