Calendar 2.5.5

• Add locale support for FullCalendar.
• Change event preview tooltip to show on hover instead of first click.
• Fix issue where recurring event options may not be saved correctly.
• Fix issue where event reminders may show an incorrect time.

• Send an email / alert when an event a user is watching / RSVP'd to is starting soon.
• Add ability to clone events allowing users to create a new event with the same details.
• Fix error shown when trying to RSVP to monthly recurring events.
• Fix issue when trying to add the example calendar in the add-on installer.
• Remove erroneously displayed "Warn" link.

• Add ability to add prefixes to events.
• Add a calendar option to prevent events from having a start and end time (i.e. force all-day events).
• Add a calendar option to prevent events from spanning multiple days (i.e. only allow single-day events).
• Add recurrence option to recur events on the first/second/third/fourth/last day of a month.
• Improve layout of FullCalendar views when viewing on narrower screens.
• Add user criteria: User has created at least X events.
• Add user criteria: User has created at least X events over Y days.

• Fix LESS parsing on styles without variations enabled.

• Harden featured events migration during add-on upgrade process.

• Require XenForo 2.3+.
• Require PHP 8.0+.
• Update FullCalendar to v6.
• Replace MomentJS with Luxon.
• Refactor how recurring dates work to be more reliable and accurate in functionality and display.
• Hide timezone option when working with an all-day event.
• When clicking an event on the calendar, open event a summarised view in a tooltip.
• Add calendar option to disallow recurring events.
• Add calendar option to disallow location entry on events.
• Add calendar option to disallow RSVPs on events.
• Hide recurring options with CSS when not in use to prevent page reflows on load.
• Load Google Maps asynchronously for events with a location attached.
• If an event is recurring, display the recurrence rule.
• If an event is recurring, show a tab with upcoming dates.

• Fix typo in addon.json.

• Display list of events attended by a user on their profile.
• Show venue descriptions when viewing a venue.
• Add several missing phrases.

• Import native functions.
• Add back "Allow users to RSVP to past events" option.
• Paginate event venues list in the ACP.

• Fix an issue with events set to recur weekly on set days, not recurring weekly on set days.
• Other assorted quality of life improvements to recurring events.
• Fix a PHP 8 template error when viewing the calendar index list.