Nothing new to say about Kit Snow, but this is confirmation about other character fates from the finale since the cutaways and editing really liked to be ambigious.
-Stannis is definitely dead. They thought it'd be gratuitous to show Brienne decapitating him. He had nothing else to live for anyways.
-Myrcella is also dead. This might not actually lead to war with Dorne since Cersei blames Tyrion for sending her away in the first place.
-Trystane gets to be stuck in the lion's den since that boat will still be sailing to King's Landing.
-Sansa and Theon survive that suicidal looking jump.