I am working, making changes and then if I am not satisfied I dont have to remember all the changes I have to revert to get where I started... Right now I am hiting ctrl+z like never before.
Got it, yeah when you have some actions to undo then its the undo command, but if you are heavily experimenting with your changes and want to have a way to throw it all away, currently best way is to either do this on a separate page and use local style source so that it doesn't affect any tokens or copy to a different project
I think "not saving it for a while" is not the right path. You will most likely want to save it even as an experiment even if you don't use it. Its a form of experementation. If we just add "autosave" off, then next thing people will want is still ability to save under a different name.