No, patreons will always be able to play the latest version of the game. Example: when 0.2.0 is released, all the content of 0.1.0 will be unlocked for everyone, but the 0.2.0 will not, you will have to login to access it. and so with each new version the previous one becomes unlocked. In this version, you have the first day as a demo. If you connect to patreon and you have some tier. You unlock the rest of the content.