Don't know about 4k. Have you tried a smaller monitor on your mini just to see?
When pharo locks up from the command line you can get a stack dump in the terminal window you started pharo in. first find the pharo process you're interested in with ps -a | grep pharo then do a kill -SIGUSR1 <pharoProcessId> where you replace the <pharoProcessId> bit with the actual process number of your frozen pharo image TedVanGaalen wrote > Is pharo tested on 4K macs and/or mac mini with 4K screens? > so on anything with this resolution? > > Does Pharo or the VM emit a post-mortem log/dump file? cannot find any. -- Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html