objective c - Kurento iOS room video not shown on iOS 10.3 -

i using kurento ios code url

https://github.com/nubomediati/kurento-ios

it works on ios 9.3.5.

but in ios 10.3.2 video stream of peer not shown, (https://github.com/nubomediati/kurento-ios/issues/33). shows gray screen in case.

is know reason?