SoapUI 5.3.0 Mac hangs on any use after installation

Question

SoapUI 5.3.0 (latest open source version) Mac hangs on clean-install on MacOS 10.12.3 - with all presets suggested by the installer.

I tried rebooting & installing a

Answer 1

This is what you need to add in Info.plist

soapui.jxbrowser.disable