The Events Calendar Pro 6.4.0

* Fix - Now displaying multi-day all day events with date ranges for better UX on photo list view page [ECP-525]
* Fix - Ensure we don't run any of the legacy Customizer and its deprecated functions. [ECP-941]
* Fix - Use the correct text label for custom URL fields. [ECP-921]
* Language - 0 new strings added, 14 updated, 0 fuzzied, and 0 obsoleted

* Version - Events Calendar PRO 5.9.0 is only compatible with The Events Calendar 5.9.0 and higher.
* Feature - View events in a calendar format within the dashboard using the new Events Manager!
* Feature - Stop compiling CSS custom props and leave them exposed and accessible to the Customizer and third parties. [TEC-3011]
* Feature - Update hooked Customizer styles to account for surfaced CSS custom properties and for new TEC Customizer font controls. [TEC-3897]
* Language - 2 new strings added, 5 updated, 0 fuzzied, and 0 obsoleted

* Fix - Fix issue of month names not being translatable. This was caused by a missing moment js localization dependency. [ECP-739]
* Fix - Add a new function to add "Additional Fields" category to the editor for WP >= 5.8. [ECP-922]
* Language - 0 new strings added, 4 updated, 0 fuzzied, and 2 obsoleted