title: Should I launch "clean install" after "import changes" on Intellij
body: <p>On Intellij, every time I'm changing project version, or pulling a new version, it propose me to import project.</p>
  
  <p><a href="https://i.stack.imgur.com/X9KNb.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/X9KNb.png" alt="enter image description here"></a></p>
  
  <p>Is that sufficient or should I launch a maven clean install ?
  if a maven clean install is needed, so what is the interrest of "Import changes"</p>