On NI border: latest UK proposal (CRAP) won’t work.
Other pending issues (governance) have yet to be agreed. On others, UK doesn’t yet have a position. On the future relationship, the UK seems to not accept that “Brexit means Brexit”
1) UK seems to have realised there are gaps between EU membership and third country status. The problem is that these gaps are called Brexit. And they've been defined by Theresa May’s red lines