Let me introduce useful features that I use in multiple jetbrains tool :)
If you windows users, ctrl + w key is very nice thing to close tab.
Let's change keymap Ctrl + Shift + F4 to Ctrl + w in Setting(ctrl +alt+ s)
You can find Rainbow brakets in Settings -> Plugins -> Search: Rainbow Brackets
If you have experice about Backets Hell, you might know this plug-in is very helpful.
Material Theme UI
First time, I didn't know about this plug-in. But someday, my colleague's ide look's cool and somthing different.
Yes, He start to use Material Theme UI his ide.
Setting(ctrl+alt+s) -> Plugins -> Search: Material Theme UI -> Install
Setting(ctrl+alt+s) -> Appearance -> Theme