IDEA202401 The "show main menu in separate toolbar" doesn't work. And UI also has some problems.
已回答


I tried to unload and reload, but it didn't work.
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I see some custom icons in your screenshot. This means you have custom theme plugins installed. Try disabling that plugin in “Settings | Plugins”, restart IDE and check/uncheck the option in “Settings | Appearance & Behavior | New UI” again.
I uninstalled and reinstalled IDEA, but the exception is still displayed.
This option makes no difference to the layout regardless of whether it is checked or not.
1. What OS do you use? If it's Linux, please specify your Linux version, Window manager (Gnome, KDE, etc), and if you have Wayland or x11 (`echo $XDG_SESSION_TYPE`).
2. Do you use any Virtual machine or WSL?
3. Do you connect to your IDE remotely, or is it just a physical machine in front of you?