I did. Short version of my thoughts on Dorne are here. Long version I’m trying to get published, but I can do something intermediate here:
1. It did a huge disservice to all of the characters involved. Doran comes off like a chump, Areo Hotah bad at his job, Ellaria and the Sand Snakes sneering villains.
2. I have a sneaking suspicion it was done largely to keep the salary budget down.
3. It doesn’t seem to make much sense politically – since when is Dorne going to be ok with kinslaying, treason, and murder? And why would any of House Martell’s rival houses recognize a blatantly illegitimate ruler coming out of it?
4. The logistics of Trystane’s death are very confusing. Wasn’t he on the boat with Myrcella?