• ENHANCEMENT: Introduced new action pmpro_before_commit_express_checkout to allow additional changes after an order has been saved but before sending customer to PayPal Express checkout. #1852 (@mircobabini)
• BUG FIX/ENHANCEMENT: Added login compatibility for Jetpack WordPress.com SSO when using the PMPro login page. #1848 (@sc0ttkclark)
• BUG FIX: Fixed PHP notices from status headers when server protocol information is unavailable. #1849 (@dparker1005)
• BUG FIX: Fixed metadata compatibility for membership levels and orders when calling get_pmpro_membership_level_meta() and get_pmpro_membership_order_meta() so they support getting all meta values for all keys. #1853 (@mircobabini)
• BUG FIX: Escape all Webhook communication debug output coming from gateways. #1855 (@ideadude, Victor Garcia)