The developer himself uploads the old version(ver which is two updates behind the current ver)when he releases the new version on his patreon that is why
No there is not a option for that , the game is simple and straightforward now with only having scenes mainly with the MC there are not any different routes and paths for different choice selection as in the games that are releasing nowadays{They have a team and resources for that so that's why they are giving it ) the developer said that he will try to put different interactions and the choices will have a significant impact on the further on in the future but for now this is what it is .