Layout is abnormal

Hi,

Here is a related issue on YouTrack:

https://youtrack.jetbrains.com/issue/JBR-1569

Feel free to watch it in order to be notified once it has updates. See this article if you are not familiar with YouTrack.

As a workaround, you can turn off the Themed Title Bar in Preferences | Appearance & Behavior | Material Theme - Other Tweaks