I am still stumbling my way around as a new Anvil user trying to get my first app to function, but I believe that the “Hack” suggested here : Hack should be implemented.
The “Hack” implements a keyboard shortcut that will switch to fullscreen editor mode.
I believe that it is a frequently requested and talked about feature request. The User has demonstrated how to do it in JavaScript, which I don’t understand. However I can see the benefit for anyone wanting to use this as an IDE.
The DarkMode portion is through an Add-On. Lets be honest you are not cool if you code on a White Background… Anvil is Cool, so lets make sure there is a cool person button somewhere to switch it in to “Cool” mode.