* Feature - New subscription state tracking subsystem for even better reliability

* Fix - WooCommerce Stripe payment gateway extension compatibility issue

* Fix - Last renewal order id is nulled when nulling pending renewal order id

* Fix - Add to cart text for variable products containing non-subscription variations

* Fix - Incorrect variable subscription price display under certain conditions

* Fix - Problems with My Account page when My Account is set as homepage

* Fix - System unable to determine time zone on some installations/servers

* Fix - Error if downloadable product is removed from order

* Fix - Property rate_percent is not copied to renewal order tax items

* Fix - Automatic subscription resumption should not happen when paused by admin

* Tweak - Subscription event scheduling decoupled from actions/events

* Tweak - Improved subscription recovery after failed actions or scheduled events

* Tweak - New scheduled action "Schedule revision"

* Tweak - Setting "Account for days subscription was paused" now enabled by default

* Tweak - Improved subscription overview display in frontend, added more information

* Tweak - Handle manual payments made on paused subscriptions

* Tweak - If payment fails, log entry now has status 'failed' instead of 'error'

* Tweak - Option to cancel subscription if last payment is refunded

* Tweak - Switched Stripe gateway to fully use Payment Intents API

* Tweak - Changed WooCommerce Stripe gateway extension min version to 4.5

* Tweak - Improved handling of zero-total orders in Stripe payment gateway

* Tweak - Password fields are not used for PayPal API secret keys

* Tweak - Other minor bug fixes and improvements

* Dev - Multiple changes in RP_SUB_Scheduler, any customizations must be reviewed

* Dev - Breaking changes in templates/subscription/subscription-overview.php

* Dev - New filter subscriptio_can_reduce_renewal_order_stock

* Dev - New filter subscriptio_subscription_overview_data

* Dev - Removed filter subscriptio_subscription_status_overview_text