pronamic/gravityforms 2.9.20 on GitHub

Added several performance improvements to the form editor by running large queries asynchronously.
Added support for feed conditional logic based on payment status.
Fixed the display of admin error messages on mobile devices.
Fixed an issue where the multi-file upload handler responds with the wrong Content-Type header.
Fixed an issue where the multi-file uploader can display a generic error message instead of the message returned by the upload handler.
Fixed an issue where forms with a payment feed can sometimes throw a fatal error on submission.
Fixed an issue that prevented the preview action from displaying on the imported Forms list page.
Fixed a JavaScript error deleting a file uploaded on the edit entry screen.
API: Added the gform_post_add_feed action hook that fires after a feed is added.
API: Added the gform_update_feed_active action hook that fires when a feed's "active" status is changed.