Gravity Forms Slack Add-On was updated to version 1.6, from version 1.5. Changelog:
- Added “gform_slack_invite” filter for modifying invite user parameters.
- Added support for auto-inviting to specific channels when inviting users to team.
- Added support for mapping first and last name when inviting users to team.
- Fixed strings for translations.
- Fixed an issue with the request failed message when a WP_Error occurs.