It has been removed since Opera 15 (i.e. since Opera ditched the Presto rendering engine and switched to Blink, Chrome's rendering engine).
Best posts made by electricduck
Latest posts made by electricduck
RE: panels gone in Opera 23?Opera for Windows
RE: Weird button appeared in the latest Opera dev?Future releases
Ooops, just realized this is the wrong forum too!
Weird button appeared in the latest Opera dev?Future releases
What's this weird non-active button in the latest Opera dev? http://nathan.uk.to/upload/u/09ea4c5b3fd5c3e7c92ce50a7fce9115.png
Is this going to be a feature or is it just a bug.
[Mod Edit: Moved to correct part of the forum]
RE: Opera 25 - Abnormally large minimize, maximize, close controls.Opera for Windows
So, you're expecting things to work properly on an OS that has been dead for a few months now?