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Re:The new Google Hangouts will not support XMPP by tuxracer on Wednesday May 15, 2013 @09:04PM (#5716211)
Federation was turned off temporarily to fix an exploit then turned back on. I guess it's moot now.
Re:The new Google Hangouts will not support XMPP by dwdbah on Thursday May 16, 2013 @03:21AM (#5717368)
Right - there was a lot of noise about federation being turned off, although it never was.

1) Subscription requests to/from other domains were blocked.

2) Only for a short period (about a month, tops).