* Tweak - Introduced a new woocommerce_bookings_filter_time_slots filter to modify availability on a per-product basis.
* Fix - Fix the start date in the reminder email when the customer's timezone is different from the shop timezone.
* Tweak - Send customer email notification when unpaid bookings are canceled. * Tweak - WC 5.4 compatibility. * Tweak - WP 5.7 compatibility.
