So I just had a fairly traumatic experience... I had a plate in the microwave and all the sudden I heard a pop. I look in and one of my vintage depression glass plates had broken. I completely forgot about hot/cold foods and glass... Now that I've learned my lesson the hard way (and will remember to always get out my microwave safe plates in the future), I realized that I can't even remember what the rules are about cold or hot foods and glass.
RIP Hazel Atlas Ovide plate... :(