I have similar issues (again).
“Wappler Helper (renderer)” runs over 100% CPU if I am in the code view.
If I switch to any other app (i.e. not use Wappler), it returns to around 15% (normal I assume).
Then when I switch back to Wappler, it works fine for a bit (10 - 20 min.) and then suddenly slows down again without doing anything special.
Currently working on a very simple project, which includes some custom JS.
Bit surprised to see this same issue again… after so many updates and performance improvements.
Running Wappler 5.2 on following specs: