Opera lag and memory leaks

After this update opera gx new ui looks cool, but I can't use this browser anymore! It just freezes and using 16 gb of RAM until OOM kill happens. That can't be normal, my system and opera settings didn't changed before and after update.

Please fix that

After this update opera gx new ui looks cool, but I can't use this browser anymore! It just freezes and using 16 gb of RAM until OOM kill happens. That can't be normal, my system and opera settings didn't changed before and after update.

Please fix that