Well they removed the virtualization framework and prohibit apps from using JIT, so you can't just have a "macOS" app (or Ubuntu, Windows etc).

They ban apps from downloading and executing code except for educational purposes - in fact very recently this has manifested in banning apps that use AI to build and publish apps - but it has always prevented VSCode and the like, at best you can have something SSH'd into something else. This also affects software that is extendable through plugins and addons.