They rely on those plugins which I have from Katalon managed plugins.
We cannot run under our user accounts since it is managed by our security group. Thy prevent us from installing or running anything in c:\users… (They scan and remove things)
If you noticed earlier, I found the issue is with testcase variables. I got the rest of our team to reproduce my findings, and in all cases, 5 or more variables start to slow down save and open of a testcase. The more variables the slower. This does not happen in 7.8.2, and I will be retrying in the 7.9 series as well.