BIP 91 has officially locked in
There is be a 336-block "grace period," about 2 days,
BIP 91 will activate at block 477,120.
Theoretically, mining pools will start rejecting blocks that dont support for SegWit .
SegWit could lock-in during the next difficulty adjustment period of 2016 blocks, which takes about two weeks..
So now developers have more time to come up with something
and we not going to fork on August 1 2017