Alright, will check out Java 10 for the native bundles.
With regards to the log file from IDEA, there is nothing logged in relation to the warning dialog. I have set the log4j file to log ALL but still nothing… however, when I press OK after trying to Apply changes to the path the following error appears:
EDIT: Okay, I fixed it. It seems like IDEA cannot read the version if JMB is not open. Now this works.
So number 3) from my problems is still outstanding for now. Have tried to run it with Java 10 but no luck. This is the output for run with debug: Debug Output