Theme plugins NOT working After Update Android studio to fox 2020.3.1

Issue

I have Updated Android Studio to the latest version Fox 2020.3.1 and when I opened the program I found Themes not working as it was in the previous version. I have checked the themes plugins and I found It is installed, but they does not appear in the list of themes in Appearance & Behavior. I have removed most of the themes and reinstalled them again, but they also did not appear and not working. So how can I fix This problem?

Solution

Follow Simple Steps to Fix this

1.Rename the {path-of-android-studio}/lib/gson-2.7.jar file to gson-2.7.jar.disabled.

2.Restart Studio.

Answered By - Sohrab Ezzati