IDEA looks terrible Follow
I recently installed IDEA 2018.1 in Ubuntu 18.04 with Java 10. It looks terrible compared to an install I have on a different machine that's running Ubuntu 17.10 and Java 9. The fonts are not aliased and it looks like a system look and feel is not being used.
There are stacktraces of: java.lang.reflect.InvocationTargetException Caused by: java.lang.NoClassDefFoundError: com/sun/java/swing/plaf/windows/WindowsLookAndFeel
I suspect something about Java 10 is different from 9. Any thoughts on how I can fix it without reverting to 9, which does not seem to be supported by Ubuntu any longer?
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IntelliJ IDEA doesn't support running on Java 9 and 10 at the moment, please use the bundled JetBrains Runtime instead, see https://intellij-support.jetbrains.com/hc/articles/206544879.