This seems like a different issue than the one from this post.
In short - we do not guarantee that you can bring a project from a newer version to the older version and that it will always work (otherwise we wouldn’t be able to introduce new features at the risk of breaking this type of compatibility). What it means is that the older Studio / package version does not “know” about the new features that you used in the newer Studio / pacakge version.
We only guarantee it the other way around - when you go from an older to a newer version.