SHA1 deprecation (end of 2016) and certificates

In this year's WWDC talk (What's New in Security), it mentioned deprecation of older algorithms like SHA-1:
https://developer.apple.com/videos/play/wwdc2016/706 (7:18 mark)


Is this only specific to HTTP(S) calls? Or does this impact other areas of the system too like trusted certificates?

Replies

Were you able to find a reply to that?