Chinese aviation fans are looking at a 2030+ timeframe for production. To make users here laugh the Chinese aviation fans are far more optimistic than Turkish aviation fans estimating a timeframe for the KAAN to have domestic engines.
Chinese has already built 2 5th gen fighter jets and their WS15/WS20 jet engines are ready and already in mass production, they already built hundreds of aircrafts prior to their 5th gen fighters.
China's industrial capacity is gigantic, of course Chinese fans are going to be more optimistic.
We as Turkey head bumped into 5th gen program directly without actual prior experience before, so yes, being conservative in terms of timeframe is totally normal for us.
And to be totally honest, if we manage to finish/release 5th gen Kaan in the said timeframe, this is going to be a huge success for us since it's first time.
And a little information about WS10C, those are supposed to be a stop gap until WS-15 becomes fully operational, since we already know the state of WS-15 engines, expect those airframes above to get WS-15 variants moving forward.