The fighter replacement project that refers to is the full replacement that the government has announced. Those were costed under the former government when the policy was to look at buying F-35s. That's not the interim fighter; that's the full replacement of the entire fleet. In November, the government, along with the interim, announced that it would be proceeding to a full, open, and transparent competition on those.
On May 1st, 2017. See this statement in context.