No need to be, the huge number of theories are possible things that could be(or not) developed in the game without breaking its concept…we know YN is supposed to be a lot of interpretation(or we believe we know)
By writing 0.10, Kiki is letting you know there was a lot more content planned.
Or at least that is what they should be meaning by that…
I mean, not every update until the final version could be bugfix…
How much content was added since the ending was there?
But we will never know now will we?