Development on Catalina, Fail

My signed (thanks, Miyako) and notarized app (17.3), runs on Catalina.

However, the development environment does not run on Catalina on my test machine. A freshly downloaded copy of 17.3 won’t run on Catalina.

Has anyone heard when 4D will get around to signing and notarizing 17.x to run on Catalina?

According to this https://forums.4d.com/Post/EN/30143084/2/31993429#31993429thread > and what Thomas Maul said, try with the latest nightly builds of v17.