Accelerated Mobile Pages will start sending search traffic from Google search results sometime in late February. This is likely to be one of the biggest changes to Google search in 2016, if not the biggest.
Google is already showing AMP-related errors in Search Console for some users.
Barry Schwartz at Search Engine Roundtable points to a tweet in which one webmaster shares a screenshot (in French):
— jessy seo noob (@jessyseonoob) December 22, 2015
Schwartz also recently pointed out that Google has updated its rich snippets for articles documentation for AMP.
Yahoo announced earlier this week that it now supports AMP in its mobile search results.