Actually, progressing in an interesting if not promising way. There’s been a ton of debate about how to handle the Ireland/North Ireland border due to brexit, and what they’ve recently settled on is basically creating a sea border between North Ireland and the rest of England so that the land border between Ireland and North Ireland can stay unrestricted. I’m not an expert, but this guy is and he’s made several videos about it I like: https://www.youtube.com/@williamcfox/videos