Which version of the Django documentation to read?

Question

Django

I started reading the Django documentation on the official website https://docs.djangoproject.com/en/1.8/intro/tutorial01/
down there in the right corner there is a choice of documentation

version which version to read

Answer 1

The freshest.

Answer 2

which one you use - read this one
to study the meaning of reading the old documentation I don’t see

Answer 3

At the moment, 1.11 is the latest version, read more.