I have seen a few mentions about this in the main feedback thread, but not much discussion. Also it does not appear on the Test Server Changelog.

It seems that after a recent patch, gear and weapon items are only able to complete one level up per depth no matter the amount of heat collected. So any additional heat will not "roll over" to the next level.

This is the first change I have seen that I dislike. It is unnecessary to limit the advancement of item heating to a maximum of one level per depth. If a player has collects heat embers throughout a map, they should be allowed all of the heat to advance their gear - not just up to the next level and have it stop there.

If we are losing the cooperative revive system (no comment there, seems legit i suppose) then players will not be able to gather other players' heat to advance items more quickly. So ALL of the heat we collect on our own will be PRECIOUS! With the new revive system I think this changed heating system seems even more unfair.

Thanks for your consideration!