That's actually not a bad idea. Would be nice, too bad I'm not the one choosing that kind of stuff around here. I would also guess it has been decided whether to be added or not.
Wrong forum for that ... the list above is for Opera 15+. There was a separate list for Presto, there may be a completely different list for S60 versions (for all I know anyway).
Well, Developer Stream is not only for the ones that want to test new features but also for the ones that know how to enable those features. 🙂
I may agree that Opera should make flags more visible to the public but i'm not sure if they should be enabled by default. Not of them are ready for it and not all of them would please everyone.
Duplication is not interesting for me, but since some people don't seem to like DISQUS then these kinds of topics are good to congregate discussions about small issues sometimes.
Please report bugs through the Bug report wizard. Do feel free to discuss them and collect more information in the forums, as well of course. You can send us additional information to DNA-bugid@bugs.opera.com.