SketchUp Pro 2019 really slows down on MacOS Mojave

[MikeWayzovski]

Do you have a 3D connexion mouse installed?
Check these numerous threads on memory usage:

3D connexion space mouse and Sketchup 2019

So did mine, until it stopped working & caused a bit of havoc ! I installed the latest driver which was available on the 10th.

SpaceNavigator Mouse doen't work in New Install of Sketchup 2018 on brand New computer

There is a well-known and long-standing problem with initialization of the plug-in that can cause SketchUp memory usage to run out of control until your Mac crashes. A (admittedly awkward) workaround that works for me is to immediately close the default blank model window the instant SketchUp starts. If you are quick enough the memory leak won’t happen. Despite multiple complaints from many people dating back at least several years, 3dconnection lacks either the interest or perhaps the compet…