In some areas, yes. In some areas, they're even ahead of the competition. Other areas still lack however, WebGL, as you mention is one of them.
Sadly, their slow update-cycle means that whatever they release will soon lack the latest features that other browsers support.
Such as? (Not trying to be rude here, I'm seriously interested)
(I'm just going by https://en.wikipedia.org/wiki/Comparison_of_layout_engines_%... , I haven't had the time to stay fully up to date on this lately either)
In some areas, yes. In some areas, they're even ahead of the competition. Other areas still lack however, WebGL, as you mention is one of them.
Sadly, their slow update-cycle means that whatever they release will soon lack the latest features that other browsers support.