PlayStation 1938 Stock In 2021 Timetable

Am I imagining or didn’t there used to be 1938 services on the new bakerloo timetable?

I appear to be getting the 1938 stock showing up but there are no services for it.

Would I be correct in this being a download manager bug?

 

Might only be available in certain months (postulating, haven't looked)

 

I also have the 1938 stock, it is available in the 2021 timeable but apparently has no services. Clearly broken since there were 10 of them.
(PS4 user)