If you're interested in access to the beta releases of TextSoap 7, it's easy to do. Launch TextSoap and select Help > Additional Support Options. Select the "Check for beta releases" item. To disable, unselect the item. You can either wait for the next official release to update or re-download the last official version.
Please remember you are working with a beta. While no bugs are expected, the software hasn't been vetted as much as an official release. If you encounter a bug, please send support and email with as much information describing the problem as you can.