## 2.3.0
* ADD: Vanilla calendar minification;
* ADD: Accessibility for appointment calendar;
* ADD: Reminder e-mail notification in hours;
* ADD: Display external bookings in the appointments list;
* ADD: Select field with statuses which synchronization is allowed;
* ADD: Creation external events for each post with the same calendar;
* FIX: Duplication of the same slot in the appointment list after re-selecting the date;
* FIX: Warnings in time slots;