You mean except Iran and its allies. Hezbollah alone has already dropped at least 1000 missiles on Israeli positions and that's according to Israeli sources, in reality it is much higher. If you follow their channels there is daily updates. This is one example of their operation yesterday: https://www.aparat.com/v/Xd8DK

As for Iran, I don't even have to explain. It is the most obvious thing that Iran is the only country that has truly supported the Palestinian cause ever since the revolution on 1979. Back then the Palestinians were using stones to counter the invaders' tanks, today they use Yasin-105 to blow up over 300 of them like a piece of cake.
If you were expecting Iran enters the conflict directly, it is not going to happen at this stage because it will start WW3.

If you want to direct any blame then look to Turkey that is still supplying fuel and goods to Israel helping them bomb children in Gaza. Look to UAE and Saudi Arabia that are constantly sending weapons shipment to Israel to be used for genocide. Look to Jordan, Egypt and Saudi that are providing air defense for the apartheid regime each time Yemen attacks their positions.
https://www.talkimg.com/image/F5yMq