Important - Security improvements.

* Important - Security improvements.

* Fix - Fixed block 'registered with an invalid category' warnings in the console.

* Tweak - Enqueue block assets only when needed.

* Tweak - Declared incompatibility with the new High-Performance Order Storage.

Fix - Fixed an issue with the refund button in the edit-order screen introduced in WC gte 6.4.

* Fix - Transform PHP date format characters into JS compatible characters when used in the datepicker.

* Fix - Prevent a fatal error when viewing an order with deleted gift cards.

* Fix - Updated REST API (batch) to make it compatible with WooCommerce 6.6+.

* Tweak - Introduced basic telemetry to collect data on extension usage when tracking is enabled.

Important - Introduced support for the new Cart and Checkout blocks.

* Fix - Fix broken empty state documentation links.

* Fix - Fix deprecation warning for 'is_admin_or_embed_page' in WooCommerce 6.3+.

* Fix - Use localized times in Gift Cards admin screens.

* Tweak - Remove Marketing menu notice.

* Tweak - Clean up onboarding notices.

* Important - Re-hooked 'WC_GC_Cart::after_calculate_totals' at 'woocommerce_after_calculate_totals' with priority '999'.

* Fix - Update cart session after modifying cart totals based on redeemed gift cards.

* Tweak - Use new WooCommerce brand colors.

* Fix - Fixed an issue that prevented 'Self-use gift card received' e-mails from being sent when the gift card order has been deleted.

* Fix - Fixed fatal error that was triggered when trying to edit an order with an orphaned gift card variation.

* Feature - Support gift card refunds.

* Feature - Added compatibility with WooCommerce Payments to hide unsupported quick-pay buttons in gift card product pages.

* Fix - Fixed fatal error that showed up when trying to edit a gift card associated with a deleted order.

Fix - Prevent an issue when importing gift cards with zero remaining balance.

Fix - Prevent gift cards codes from being applied to orders multiple times.

Fix - Fixed an issue affecting the 'Self-use gift card received' email settings.

* Fix - Removed the 'wc_gc_send_as_gift_checkbox' parameter from the permalinks of non-Gift Card cart/order items.

* Tweak - Improved invalid Gift Card code length notice.

Fix - Fixed failed Gift Card imports when e-mails values contain whitespaces.

* Feature - Let customers purchase gift cards for self-use, bypassing the gift card purchase form.

* Feature - Allow customers to carbon copy (cc) gift card e-mails to additional recipients.

* Feature - Allow merchants to blind cabon copy (bcc) additional recipients to all gift card e-mails, handy for testing and archiving purposes.

* Feature - Added compatibility with PayPal Payments to hide quick pay buttons in gift card product pages.

* Fix - Fixed missing notices.

Fix - Fixed incorrect early returns in 'set_notice_option'.