Posted in another thread but seems equally relevant here. The Times of Israel are reporting today that Israel are "increasingly optimistic" about the results of the strike.
Despite claiming that Israel had failed in the operation, Hamas offered no immediate proof that its top leaders had survived. The terror group has been known in the past to only confirm the death of its leaders weeks or months after the fact.
Most of Hamas’s leadership in Gaza has been killed during the past two years of war with Israel, but until now, its political leadership abroad has been mostly untouched. Notable exceptions were former politburo chief Ismail Haniyeh, who was assassinated on a visit to Iran, and his former deputy Saleh al-Arouri, who was killed in Beirut, both in 2024.
https://www.timesofisrael.com/israel-strikes-hamas-chiefs-in-qatar-terror-group-insists-senior-leaders-unharmed/