They state the exact opposite in the second sentence of the article. Please, at least read the opening paragraph before commenting.

So I'm guessing you didn't read the article then?

No need to imagine, the answer is at the top of the article.

It does, but on closer reading looks restricted to EU, they certainly aren’t suggesting a , say, gecko based browser could be published globally outside the EU.

"New frameworks and APIs for alternative browser engines — enabling developers to use browser engines, other than WebKit, for browser apps and apps with in-app browsing experiences."