* Fix: WooCommerce 3.0: Improve backward compatibility of get_date( 'start' ) calls for subscriptions without a date created set by WooCommerce 3.0 (which happens when manually adding a new subscriptions). PR#2047
* Fix: WooCommerce 3.0: Prevent saving subscriptions with a 0 start date/date created by making sure we set a default date created value when manually adding a new subscription. PR#2048
* Fix: WooCommerce 3.0: Remove the correct 3.0 core function responsible for sending order emails to avoid sending both WooCommerce order emails and Subscriptions order emails. PR#2045
* Fix: WooCommerce 3.0: Make sure synchronised product meta data is set correctly on subscriptino line items by using WooCommerce 3.0 compatible hook. PR#2049
* Fix: Make sure filters are applied when getting customer subscriptions with REST API endpoints by using WC_API_Subscriptions::get_subscriptions() instead of a custom query to get customer subscriptions. PR#1806
* Fix: Display correct variable subscription product "From" prices and grouped subscription products prices to match tax settings. PR#2054
* Fix: Don't attempt to save shipping and billing fields which aren't set when submitting the Edit Subscription screen to avoid notices. PR#2053
* Fix: Don't use method return value in write context in REST API to avoid errors on certain versions of PHP. PR#2051
* Fix: WooCommerce 3.0: Fix using $this when in a static context on newer versions of PHP affecting Edit Subscription and Edit Order screens. PR#2043
* Fix: WooCommerce 3.0: Grant new product download permissions to all subscriptions because WooCommerce no longer does it for orders (and subscriptions are a custom order type). PR#2039
* Fix: WooCommerce 3.0: Display subscription related System Status fields in the System Status page on 3.0 which removed old hooks. PR#2039
* Fix: WooCommerce 3.0: Fix updating payment method and elsewhere via the Edit Subscription administration screen. PR#2037
* Fix: WooCommerce 3.0: Store correct prorated price for switches against the order line item so it can be used for future switches. PR#2032
2017.04.04 - version
* Fix: Replace use of undefined variable within WC_Subscription::get_failed_payment_count(). PR#2025
* Fix: Add subscription shipping line item tax the same way WooCommerce 3.0 does it. PR#2023
* Fix: Send customer renewal invoice emails for manual renewals and when creating a pending renewal. PR#2035
* Fix: Fix division by zero error when manually paying for renewal with offsite payment methods like PayPal. PR#2036
* Fix: Fix updating payment method with WooCommerce 3.0 via the Edit Subscription administration screen. PR#2037
* Fix: Store correct prorated price for switches against the order line item so it can be used for future switches. PR#2032