SOGo v4.0.3

Enhancements

• [web] prohibit subscribing a user with no rights
• [web] new button to mark a task as completed (#4531)
• [web] new button to reset Calendar categories to defaults
• [web] moved the unseen messages count to the beginning of the window's title (#4553)
• [web] allow export of calendars subscriptions (#4560)
• [web] hide compose button when reading message on mobile device
• [web] updated Angular to version 1.7.5
• [web] updated CKEditor to version 4.10.1

Bug fixes

• [web] include mail account name in form validation (#4532)
• [web] calendar properties were not completely reset on cancel
• [web] check ACLs on address book prior to delete cards
• [web] fixed condition of copy action on cards
• [web] fixed display of notification email in calendar properties
• [web] fixed display of multi-days events when some weekdays are disabled
• [web] fixed synchronisation of calendar categories
• [web] fixed popup window detection in message viewer (#4518)
• [web] fixed behaviour of return receipt actions
• [web] fixed freebusy information with all-day events
• [web] fixed support for SOGoMaximumMessageSizeLimit
• [core] fixed email reminders support for tasks
• [core] fixed time conflict validation (#4539)