Originally Posted by AllenAyres
It sounds like a potentially interesting feature, but it has to be way down the list for upcoming features. No-one who hasn't already posted in this topic has requested it in the last 4 years.
That's because OpenID becomes de-facto standard in this year.

I mentioned/suggested this in February

English is not my native language. I try my best to express my thought precisely. I hope you understand what I mean. If any misunderstanding results from culture gaps, I apologize first.