I can't customize the top toolbar in Opera GX Windows. I want to remove unneeded icons but I can't find a way. Is there any way to do it?

On Linux, there is an app called Wine (Acronym for "Wine is not an emulator") which runs Windows apps on Linux; So, if you want Opera GX on Linux then you have to install Wine then learn how to use it, after which you have to download Opera GX Windows and install it via Wine.

I am using Opera GX and I found rocker gestures pretty useful but there are issues. I can't customize rocker gestures and the rocker gestures don't utilize mouse middle button click. It will be helpful if you have any way to do it.

I want to add Gmail to sidebar of Opera GX Windows. Now, I found a built-in option of add custom site panels to sidebar but that doesn't enable mobile view, I tried looking for extensions but couldn't find any. If you know any way to add Gmail to sidebar with mobile view then please write it down.