The 6.4.2 release has been re-deployed to all TNEW v6 QA Sites. This release includes improvements to error logging during payment processing and security enhancements. The only change is that one of the security enhancements regarding HTTPOnly Flag has been removed from the release. The full list of enhancements and fixes included in this update is published in the release notes section of the TN Express Web user Guide.
Questions about how this effects your TNEW Site? Please open a TASK ticket with the Web Products Team.