Version 5.4.0

• Fix - Remove the recurring shipping method cache that caused bugs for third-party plugins like Conditional Shipping and Payments. #407

Version 5.3.1

• Fix - Fatal error when loading the Edit Subscription page with custom admin billing or shipping fields. #403

Version 5.3.0

* Add - Highlight subscriptions with overdue payment in list view with red icon & tooltip.
* Fix - Shipping address correctly set when resubscribing or switching subscriptions that contain different billing and shipping addresses.
* Fix - When processing customer requests to update all their subscription payment methods, ensure the updated subscription is used fetch the new payment meta, not and old instance.
* Dev - Remove deprecated `strptime` function in favour of `DateTime::createFromFormat`.
* Fix - Catch exceptions when changing payment method associated with a subscription to avoid fatal errors.

Version 5.2.0

* Add - New wcs_set_order_address() helper function to set an array of address fields on an order or subscription.
* Fix - Edit, add, and list Subscription admin pages now work when HPOS is enabled.
* Fix - Fixed issues where multiple subscription purchases wouldn't appear on the My Account > Subscriptions screen, on HPOS environments.
* Fix - Refactor `WCS_Meta_Box_Subscription_Data::save` to support HPOS stores, fixing a PHP warning notice when updating an order via the Edit Order screen.
* Fix - Set the `download_permissions_granted` value when purchasing a downloadable subscription product when HPOS is enabled.
* Fix - When a customer changes their address on their account or subscription, make sure the new address is saved when HPOS is enabled.
* Fix - Removed the potential for an infinite loop when getting a subscription's related orders while the subscription is being loaded.
* Fix - Refactor `WC_Subscriptions_Renewal_Order::get_failed_order_replaced_by()` to support HPOS stores.
* Fix - Refactor the `WC_Subscriptions_Tracker` class to support HPOS stores.
* Fix - "Subscriptions by Payment Gateway" in WooCommerce → Status now shows the correct values when HPOS is enabled.
* Fix - Check whether the order actually exists before accessing order properties in wcs_order_contains_subscription()
* Fix - Replace the get_posts() used in get_subscriptions_from_token() to support HPOS stores.
* Fix - On HPOS stores, when a subscription's parent order is trashed or deleted, make sure the related subscription is also trashed or deleted.
* Fix - On HPOS stores, when a subscription is trashed or deleted, make sure it is cancelled first.
* Fix - Merge any custom meta_query args passed to wcs_get_orders_with_meta_query() to avoid overriding WC core args that map onto meta_query.
* Fix - Filtering the Subscriptions List Table by customer, product ID and payment method, now works on stores with HPOS enabled.
* Fix - Prevent erroneously resyncing a subscription every time it is loaded from the database on HPOS environments.
* Fix - Fix "Trying to get property 'ID' of non-object" errors on the edit subscription screen when HPOS is enabled.
* Fix - When HPOS is enabled, clicking the related orders link on the Subscriptions Table now filters the table with the related orders (previously all orders were shown).
* Fix - On HPOS environments, ensure subscription related order caches are updated when relationship order meta (eg `_subscription_renewal` or `_subscription_switch`) is updated.
* Fix - Show subscription status filters/views above the subscriptions list table on stores with HPOS enabled.
* Fix - Reorder the edit subscription meta boxes on HPOS environments so the line items meta box appears after the subscription data.
* Fix - On HPOS environments, prepopulate the subscription start date when creating a new subscription via the admin edit screen.
* Fix - On HPOS environments, handle the admin subscriptions list table bulk actions and row actions in a HPOS compatible way.
* Fix - On HPOS environments, admin notices might show incorrect subscription or order link as part of the admin notice.
* Fix - On HPOS environments, parent order link on subscription edit page, in subscription details box, is incorrect.
* Fix - On HPOS environments, update cache when subscription is trashed, deleted, or restored / untrashed.
* Fix - Replace code using wp_count_posts( 'shop_subscription' ) with data store function to count subscriptions grouped by statuses on stores with HPOS enabled.
* Dev - Replace code using get_post_type( $subscription_id ) with WC Data Store get_order_type().
* Dev - Add subscriptions-core library version to the WooCommerce system status report.
* Dev - Introduced a WCS_Object_Data_Cache_Manager and WCS_Object_Data_Cache_Manager_Many_To_One class as HPOS equivalents of the WCS_Post_Meta_Cache_Manager classes.
* Dev - Introduced a new `untrash_order()` in the `WCS_Orders_Table_Subscription_Data_Store` class to fix untrashing subscriptions on stores that have HPOS enabled.
* Dev - Moved the trash, untrash & delete related `add_actions()` in the `WC_Subscriptions_Manager` class to be added on the `woocommerce_loaded` action.
* Dev - Update `wp_delete_post()` code that was used to delete a subscription to use CRUD methods to support HPOS.
* Dev - Fix phpcs violations in the `WC_Subscriptions_Tracker` class to improve code quality.
* Dev - Fix phpcs violations in the `WCS_Admin_System_Status` class to improve code quality.

Version 5.1.0

* Fix - Set payment tokens when copying data between orders and subscriptions in a CRUD compatible way. Fixes PHP notices during renewal order process.
* Fix - Infinite loop that can occur with `WCS_Orders_Table_Subscription_Data_Store::read_multiple()` on HPOS-enabled stores.
* Fix - On HPOS stores, when querying for subscriptions with wcs_get_orders_with_meta_query() with status 'any', ensure that wc_get_orders() queries for subscription statuses.
* Fix - On HPOS stores, when saving a subscription make sure subscription properties (ie `_requires_manual_renewal`) are saved to the database.
* Fix - On HPOS stores, when a subscription is loaded from the database, make sure all core subscription properties are read directly from meta.
* Fix - When viewing My Account > Subscriptions, fix an issue where no subscriptions were listed when HPOS is enabled.
* Fix - On HPOS stores, ensure payment tokens are copied from the subscription to the renewal order.
* Fix - Refactor `WCS_Meta_Box_Schedule::save` to support HPOS stores, fixing a PHP warning notice when updating an order via the Edit Order screen.
* Fix - Return a fresh instance of the renewal order after creating it. Fixes caching issues on HPOS sites where the returned order has no line items.
* Fix - Processing a manual renewal order with HPOS and data syncing enabled correctly saves the related order cache metadata on the subscription and prevents the post and order meta data getting out of sync.
* Fix - Use supported CRUD apis to determine if subscriptions are present on store (`wcs_do_subscriptions_exist`)
* Fix - With HPOS and data syncing enabled, updating the status of a pending manual renewal order to a paid status correctly activates the related subscription.
* Update - Refactor the `wcs_is_subscription` helper function to support HPOS.
* Update - Refactor our Related Orders data store classes (WCS_Related_Order_Store_Cached_CPT and WCS_Related_Order_Store_CPT) to use CRUD methods to support subscriptions and orders stored in HPOS.
* Update - Display related orders table when viewing the new "Edit Order" page (HPOS enabled stores).
* Fix - On HPOS stores, make sure the links in the related-orders table redirect to the new Edit Order URL.
* Dev - Removed the deprecated "wcs_subscriptions_for_{$relation_type}_order" dynamic hook used to filter the list of related subscriptions for the given relation type. The following hooks have been removed with no alternative:
        wcs_subscriptions_for_renewal_order
        wcs_subscriptions_for_switch_order
        wcs_subscriptions_for_resubscribe_order
* Dev - Introduce a WC_Subscription::set_status() function to handle subscriptions set with a draft or auto-draft status. Replaces the need for the overriding WC_Subscription::get_status() which has been deleted.
* Dev - Manual renewal orders created with HPOS and data syncing enabled are properly linked to the subscription by its `_subscription_renewal` meta and backfilled to posts table.

Version 2.5.2

* Fix - When creating a subscription via the checkout, make sure a new instance of the subscription is attached to the `woocommerce_checkout_subscription_created` action hook.

Version 5.0.0

* Dev - The library has been bumped to version to 5.0.0 to reduce confusion with the version of WooCommerce Subscriptions.
* Dev - Usage of \WC_Subscriptions_Core_Plugin::get_plugin_version() is no longer recommended for version detection. \WC_Subscriptions_Core_Plugin::get_library_version() should be used instead.
* Add - New wcs_get_orders_with_meta_query() helper function to query for orders and subscriptions.
* Update - Replace instances of `get_posts()` across codebase with new wcs_get_orders_with_meta_query() function.
* Dev - Code that was tagged with a version and moved from WooCommerce Subscriptions now explicitly mentions this and shows the correct subscriptions-core and WC Subscriptions versions.
* Dev - Refactor the saving of subscription dates in the subscription datastore to separate fetching changes and saving. Enables backfilling subscription dates when HPOS syncing is enabled.

Version 2.5.1

* Dev - Replace the use of the deprecated wcs_renewal_order_meta hook with wc_subscription_renewal_order_data in the WCS_Related_Order_Store_Cached_CPT class.
* Dev - Fix typo in deprecation notice for the 'wcs_{type}_meta_query' filter. Incorrect replacement hook.

Version 2.5.0

* Add - New WCS_Orders_Table_Subscription_Data_Store class to support subscriptions stored in High-Performance Order Storage (HPOS).
* Add - New WCS_Orders_Table_Data_Store_Controller class to load the proper subscriptions data store when the store has HPOS enabled.
* Add - New data copier class to copy data to subscriptions and related orders in place of direct database queries in prepraration for HPOS support.
* Fix - When saving sync meta data on a new subscription, use 'woocommerce_new_subscription' instead of 'save_post'. This is to prevent errors when purchasing a subscription on stores that have HPOS enabled.
* Update - Improve maybe_add_subscription_meta() and subscription_contains_synced_product() inside our WC_Subscriptions_Synchroniser class to use CRUD methods.
* Dev - wcs_get_objects_property and wcs_set_objects_property have been marked as deprecated. Getters/Setters should be used on the objects instead.
* Dev - Deprecated the "wcs_{type}_meta_query" dynamic hook used to alter the database query used to fetch the meta data to copy between subscriptions and renewal orders. There is no direct replacement. Third-parties should use the "wc_subscriptions_{type}_data" or "wc_subscriptions_object_data" hooks instead.
* Dev - Deprecated the "wcs_{type}_meta" dynamic hook used to filter data copied to subscriptions and renewal orders. Third-parties should use wc_subscriptions_{type}_data instead.
        wcs_subscription_meta      -> wc_subscriptions_subscription_data
        wcs_parent_meta            -> wc_subscriptions_parent_data
        wcs_resubscribe_order_meta -> wc_subscriptions_resubscribe_order_data
        wcs_renewal_order_meta     -> wc_subscriptions_renewal_order_data

Version 2.4.1

* Fix - Undefined method WC_Order::set_shipping_address() on stores running pre-7.1 of WooCommerce which prevented subscriptions from being purchased.