Draftsight Mac 2020 - Os 10.12.6

Although I read all the related posts, I am not able to install Draftsight 2020 Mac version on OS Sierra 10.12.6. Are you going to fix the issue before the release of the paid version in July? Is the paid version going to run on OS 12? I still get the same error.

We would surely buy the paid version as soon as available, but in the meantime? Do we have to update the OS in the future?