*Updated compatibility with the latest WooCommerce Subscriptions proration settings.

* Fix – The Back In Stock sign-up form now re-checks stock on submit and rejects sign-ups for products that are already back in stock.
* Fix – Fixed PHP 8.1+ deprecation notice when passing null to version_compare() during install/update checks.
* Tweak – Bumped WooCommerce tested up to version to 11.0.

* New: Request a Quote functionality.
* New: Totals & "You save" feature for the products without tiered pricing rules.
* Enhance: Dropdown accessibility.

* Fix – Fixed an issue causing an indefinite update_order_review request loop during checkout.

* Feature – Rebuilt on the current Slack API, with richer notifications powered by Block Kit
* Feature – New WooCommerce > Slack settings screen with per-event channels, emoji, and message templates
* Misc – Merchants can continue using the legacy API and then switch to the newer experience migrating their existing settings and notification templates
* Dev – Rewritten on the Fenix framework for improved performance, maintainability, and extensibility
* Localization – Add plugin translations in multiple languages