I had never trusted the automatic “reheat” options that a lot of microwaves have had for years, until just recently I tried it out for reheating some chicken and pasta - and it really did a decent job. They’ve obviously iterated. (I don’t even know the model, but it’s a larger one probably two years old that I bought at goodwill for $30)

A lot depends on whether the microwave oven has a humidity sensor, and how that data is used: https://www.youtube.com/watch?v=UiS27feX8o0

I know it's a bit of a meme but I was always curious to try out some of the recipes in the "Microwave cooking for one" recipe book.

https://www.microwavecookingforone.com/