This minor update includes some minor fixes and graphical enhancements. All of the updates are described in detail in the Release Notes. Models saved in GoldSim 12.1 will be seamlessly upgraded when opened in GoldSim 12.1.5. All users with access to 12.1 are strongly advised to update to this version. The process will take minutes. You can download this update here.
This will likely be the last release of GoldSim 12.1 before our next major release (12.5). We have been working very hard on this next major release, and are hoping to release it in late 2020.