Added: [API] User Settings -> UserDisableTwoFactor.
Added: [HA] [HUB] 2FA for cluster administrators.
Added: [HA] [HUB] An avatar for the cluster administrator user icon.
Added: [HA] [HUB] An HTML editor for Send Email and Send Message action types in Routing Rules.
Added: [HA] [HUB] Custom webmail login settings.
Added: [HA] [HUB] Feature limits for cluster administrators.
Added: [HA] [HUB] IP restrictions for cluster administrators.
Added: [HA] [HUB] Password requirements for cluster administrators.
Added: [HA] [HUB] The ability for a cluster administrator to update their password.
Added: [HA] [HUB] The ability to add multiple cluster administrator accounts.
Added: Error page when SpamFoo client isn't running.
Added: EWS settings to control concurrent subscription limits.
Added: MDN/DSN spam weight to Null Sender spam check settings.
Changed: [AP] Modified PutDraft API to remove unused input properties sendImmediately and scheduledSend.
Changed: [API] API endpoints 'SetUsersMailSettings' and 'SetUsersMailSettingsLegacy' can no longer be used to disable 2FA. Use 'DisableUserTwoFactor' instead.
Changed: [API] Modified SendMessage API to change scheduledSend input property from text to date.
Changed: [HA] [HUB] Separated out Manage tasks versus Settings tasks and added a top menu bar.
Changed: Clicking the SpamFoo dashboard should start the SpamFoo service if it isn't running.