Boris Johnson's Brexit deal: what's in it and how is it different to Theresa May's version?

Reading the text, the first impression is that there’s much more that hasn’t changed than has.

Simon Usherwood, University of Surrey

Against seemingly all the odds, we have a new Brexit deal. As an apparent vindication of UK prime minister Boris Johnson’s strategy to ramp up the threat of a no-deal departure from the EU and to force concessions from Brussels, one would imagine that Number 10 is rather happy right now. But that happiness will be tempered with caution, because some major issues lie ahead.