What's the meaning of this symbol

[Jeyaprakash]

 

[RobXbalboa · Accepted solution]

That is Performance mode. You have it set to Light instead of standard. Pull down the top menu items and scroll all the way to the right and look for that symbol or type in "[performance mode" in settings/ search

[Jeyaprakash]

Thank you very much 

[RobXbalboa]

More than welcome.