The 7.9.1 release has been deployed to all TNEW LIVE Sites.
This includes a critical fix for both v6 and v7 regarding CSIs. The full list of enhancements and fixes included in either the v6 release notes section of the v6 TN Express Web User Guide or 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.