Custom fields do not show up

[betterapp]

Why DataDirtector do not show Custom fields defined in transformation ?
As I see in some dataports it is working - in other not.

Second problem.

After filtering and clear filter in Search I do not see fields. Even if I refresh them.

DD: 3.9.19

[betterapp]

Clear Cache helped for: After filtering and clear filter in Search I do not see fields. Even if I refresh them.

@BlackbitDevs

WHat about dynamic custom fields ?