Intellij IDEA flickering on macOS Sierra Follow
the screen start to flick at some points, i don't know if its related to the IDEA or related to JDK, I think is IDE because at Eclipse IDE it isn't happening.
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Make sure you have all the updates from Apple installed.
Post the contents of IntelliJ IDEA About window.
Have all updates installed.
Does it happen in other Java Swing apps like NetBeans or JEdit?
This looks like a video driver issue.
I am experiencing the same thing in PyCharm under Sierra 12.4:
Do you have discrete video card? Does switching to the internal graphics or vice versa help? https://gfx.io/.
Try running on Oracle Java instead of the bundled one and see if it helps: https://intellij-support.jetbrains.com/hc/articles/206544879.
Experiencing the same after the mac was in sleep mode. Not as bad as you but it's still flickering. this happens on IntelliJ as well as on PHPStorm - both current version. Also Mac is updated to the newest version (10.12.6). It only happens to me on an external Screen from Dell. I have already exchanged the screen and tried on other ones. Still the same issue.
I had a similar issue. I only have the title bar (including the title bar on modal windows and the app itself) flickering. And only on an external monitor and via a dock using DisplayLink drivers.
It was one of the known issues for that driver, following point three in this list fixed it for me. ("To work around, select System Preferences -> Accessibility -> Display -> Reduce transparency")