title: SoapUI 5.4.0 works extremely slow on macOS High
body: <p>I'm using SoapUI 5.4.0 in my MacBook Pro with macOS High Sierra (10.13.3). </p>
  
  <p>The application works very slow (especially the graphics) and sometimes it hang on and I need to force restart. </p>
  
  <p>Can someone help me?</p>