The 7.8.1 release has been deployed to TNEW Live Sites which are live with version 7.
This hotfix addressed an issue with inline donations on the payment page which was throwing an error under certain circumstances. The full list of enhancements and fixes included in this update is published in the v7 release notes section of the v7 TN Express Web User Guide.
Questions about how this affects your TNEW Site? Please open a TASK ticket with the Web Products Team.