Official Everybody Edits Forums

I have an idea for innovation. It consists in the fact that before leaving your world in the lobby, the game will ask: "Do you want to save the world changes?" This can prevent cases of accidental exit to the lobby without saving the world, and cases where the author of the world forgot to save the world.
I had this situation (and no, I don't blame you for it). I have been making my world for a long time. I wanted to go out to the lobby and forgot about saving. As a result, I left, and then, when I went into it again, I found that there was nothing. The world is empty. All efforts are wasted.
I thought that the innovation mentioned above may be small, but useful.