• SECURITY: Updated many queries to use $wpdb->prepare and esc_sql for better security. In almost all of these cases, the variables uses in the queries were escaped earlier or otherwise trusted, but it's good practice to escape in the query anyway to be extra safe and avoid issues when code is updated in the future. #2312 (@andrewlimaza, @ideadude)
• BUG FIX/ENHANCEMENT: Fixed some notices in the Authorize.net Gateway class. #2295 (@mircobabini)
• BUG FIX/ENHANCEMENT: Fixed HTML in the nl_NL email templates. #2300 (@mircobabini)
• BUG FIX/ENHANCEMENT: Added the !!membership_level_confirmation_message!! var to admin checkout emails. #2305 (@dparker1005)
• BUG FIX/ENHANCEMENT: Fixed typo "could" in error message shown when an Add On cannot be installed. #2313 (@kimcoleman)
• ENHANCEMENT: Removed duplicate "display_name" definition in the PMPro Email class. #2297 (@mircobabini)
• ENHANCEMENT: Fixed PMPRO_MIN_PHP_VERSION constant name in a few places. #2298 (@mircobabini)
• ENHANCEMENT: Including the PMPro Akismet and MailPoet icons for use on the Add Ons page. #2307 #2309 (@andrewlimaza)