BUG FIX: Fixed issue with alternative login methods that call the wp_login_failed hook with only 1 parameter.

* BUG FIX/ENHANCEMENT: Added MMPU compatibility for some crons. #2211 (@dparker1005)

* BUG FIX/ENHANCEMENT: The default "More Information" group name/label is now translatable. #2214 (@mircobabini)

* BUG FIX/ENHANCEMENT: Added JavaScript code to prevent duplicate clicking of the cancel button. #2216 (@mircobabini)

* BUG FIX/ENHANCEMENT: Fixed PHP notice on the update billing page. #2219 (@mircobabini)

* BUG FIX/ENHANCEMENT: Avoiding line breaks in very long labels for checkbox fields. #2221 (@mircobabini)

* BUG FIX: Fixed issue with processing customer.subscription.deleted webhook events from Stripe with newer versions of PHP. #2217 (@dparker1005)

* BUG FIX/ENHANCEMENT: Now correctly deprecating the pmprorh_section_header() function. We accidentally had it reversed and throwing a warning when using the new pmpro_default_field_group_label() function. (@kimcoleman)

* BUG FIX/ENHANCEMENT: When saving user fields, now making sure that the group name is not blank and unique. Blank or duplicate group names could cause other issues, e.g. with required fields or fields being shown multiple times at checkout. #2187 (@ideadude)

* BUG FIX/ENHANCEMENT: Fixed issue where the sales report widget cache was not being updated when new orders came in.

* BUG FIX/ENHANCEMENT: Better error handling in the PayPal IPN handler. #2194 (@mircobabini)

* BUG FIX: Fixed issue where user fields set as "required" weren't being styled as required on the checkout page. #2180 (@ipokkel)

* BUG FIX: Now showing the new level templates even if you click on the link in the dashboard or on a fresh install's levels page. #2181 (@kimwhite)

* BUG FIX: Fixed issues where pmprorh_sanitize was being called instead of the new pmpro_sanitize, causing issues with date fields and others at checkout. #2182