WooCommerce Order Delivery 4.2.1

* Feature - The backorder delivery coordination notification is now a configurable WooCommerce email you can edit under Settings > Emails
* Tweak - Reduced redundant loading spinners at checkout when selecting a delivery date or entering a tip
* Fix - Deleting an advanced delivery or pickup range now saves immediately instead of reappearing after editing another range
* Localization - Made admin scheduling calendar labels and checkout block strings available for translation

* Note - This is a major version release. It removes the existing "Enable 'Order Delivery' when the shipping method is 'Local Pickup'" setting. It is recommended to test this upgrade in a staging environment before applying it to your production store
* Note - Pickup settings are now configured independently, allowing more granular control over pickup days, timeframes, and ranges. If you previously had this setting enabled, you'll need to set 'Show dates/estimates for' to 'Both delivery & pickup' and update your delivery and pickup configuration accordingly
* Feature - Local pickup days, timeframes, and ranges can now be configured independently from delivery
* Feature - Date position at checkout setting is now fully compatible with CheckoutWC, it is recommended to use the latest version of CheckoutWC with this setting
* Add - Orders list now shows delivery or pickup identifier on orders
* Update - Various settings have been moved and relabelled to be more descriptive
* Update - The two calendar setting pages used to disable specific dates have been moved into their respective scheduling tabs
* Update - New conditional setting tab structure of Settings | Picking | Delivery Scheduling | Pickup Scheduling | Tips
* Fix - Today can be selectable even though a disabled delivery/pickup date in some configurations
* Remove - Existing "Enable 'Order Delivery' when the shipping method is 'Local Pickup'" setting removed, replaced by independent pickup settings

* Fix - Block checkout may show an error when tips are enabled while switching customer accounts

* Fix - Shipping date is not calculated correctly when lead time is 0 and advanced delivery range starts from 0 days

* Fix - Backend order picking/delivery days calendar modals can fail to populate the start date field based on the day selected in calendar view
* Fix - When plain WordPress permalinks are enabled, delivery date field disappears after date selection on WooCommerce block checkout
* Fix - Shipping date calculation incorrect in certain configurations of order picking days, lead time, delivery ranges, delivery days
* Fix - Shipping date may not get calculated when order is placed on a date directly before/after disabled delivery days

* Update: Compatibility with other plugins, reducing error risk in init_stored_shipping_method() by adding WC()->session null checks
* Fix - Shipping date can be set to the delivery date in certain lead time/delivery range/order picking day configurations

* Fix - Time frame field may remain hidden after first date selection on initial page load or shipping method changes when using specific delivery configurations

* New - Added a new tips feature to allow customers to enter tips during checkout

* Misc - Update the plugin framework to the latest version for improved performance and addressing niche issues
* Misc - Add a licensing manager for handling merchant licenses outside of the WooCommerce marketplace

* Fix - Shipping methods setting on time frame edit may not assign correctly in some scenarios when using the except/only specific options
* Fix - Checkout location setting no longer appears in delivery settings when using classic checkout
* Fix - Time frame field should be required when a delivery date populated (regardless of if the delivery date is required or optional)