It s impossible to know if it is a prelude to a change in the attitude of both sides. If the US and its allies want peace, they have to "twist" many arms in the region very fervently. What else of value did/does Hamas have to trade? Maybe there are "Untold" parts of the transaction?
12 Iraqi troops, militiamen killed in multiple ISIS suicide attacks (AP)
from the article: Sour notes mar otherwise joyful Shalit return