Even more developers get their games ready to be played on the Steam Deck! SimplePlanes looks like a lot of fun and it's quite a popular one too. Not quite as simple as the name suggests though, with tons of parts to snap together and plenty of physics fun going on. It's also not just about aircraft, as you can build all sorts of things to mess around with.
The developer didn't go into a whole lot of detail on what they changed, just noting in the announcement: "SimplePlanes version 126.96.36.199 is now live. With the update comes all the necessary tweaks and changes to make SimplePlanes a great experience on the Steam Deck. We hope you enjoy it and please provide us feedback on ways we can further enhance your experience on the Steam Deck. Thanks for playing!".