Gravity Forms 2.8.8

- Fixed an issue with the required validation of the other choice input for the Radio Buttons field.

- Fixed TinyMCE displaying an error message in Firefox when the confirmation message is displayed for an AJAX enabled form which includes a Rich Text Editor enabled Paragraph field.
- Fixed an issue where a calculation result could return NAN which would prevent the Save and Continue feature successfully saving the incomplete submission.

- Added entry object as fourth parameter to 'gform_pre_send_email' filter.