Registered users with current update cover only: You can now download ProSteel 7.21k using the Miscellaneous, Check Web Site for Updates option within your currently installed copy of ProSteel. This release contains a few technical changes only so there's no reason to install it if you're running 7.21j.
For a full list of changes other recent releases see https://www.superbeam.co.uk/prosteel-changes-2021.htm
For a full list of changes other recent releases see https://www.superbeam.co.uk/prosteel-changes-2021.htm