Have not read the books, only watch the show (ep 6 comes on in an hour for me). The pace has definitely gone from meandering to rushed since they overtook the books. A few things that bother me:
We learn way back in season one that by the laws of Westerosi genetics, we know a child's true parentage by their hair color. Baratheons have black hair, Lannisters have blonde hair, etc. If John Snow is the son of a Targaryen, why does he not have silver hair?
Where did Arya get the pretty barmaid's face when she killed old Frey? It would be out of character for her to murder some random girl to take it, she only kills those who harmed her or her family. Did she steal it from the House of Black and White? Seems like they'd want to hunt her down and stop her misusing that magic. For that matter, why did Mr No One let her go in the first place? How did she even survive drinking from the killer fountain, it's obvious she was never no one. I could go on, that entire plot line made no damn sense.
I'm trying to figure out why Arya is so immediately suspicious of Littlefinger now. What does she have against him? He did betray her father back in season one, but as far as I recall she never knew this, nor did she ever have any dealings with him at all.
Is Brienne ever going to give Arya the wolf bread Hot Pie made for her? One can only assume that, as she often claims to be neither a lady nor a knight, she put all thoughts of honor aside and ate it herself. And did not share with Podric.
Still, now that Orphan Black is over, GoT is the only current show I watch and still find it entertaining. Yes, the writing has gotten lazier but long-running series nearly always end in disappointment because it's impossible to live up to what the viewer/reader has built up in their head. Or the author him or herself loses interest (Jean Auel's Clan of the Cave Bear series), or rushes the ending (Stephen King's Dark Tower), or loses track of all their plotlines and can't figure out how to properly tie it all together (Martin himself in the Ice and Fire series, clearly). All we can hope for now is some cool battle scenes and that Missandei with the perfect body gets naked again.