They already are accepting pull requests - several have appeared in hotfixes. There's a link to some of the pull requests in that blog post, although I'm not ce

They already are accepting pull requests - several have appeared in hotfixes. There's a link to some of the pull requests in that blog post, although I'm not certain you can access them unless you've paid the subscription and setup your github account link. There are a few really quite cool pull requests being reviewed just now too.