Uid and uid_in are ignored when passed to _allDocuments

I'm using the GraphQL playground on Prismic and I noticed that if I pass uid or uid_in as props to _allDocuments, they are ignored. I tried with others but it is only _allDocuments that doesn't use those props even though they show up in the query docs.
Does anyone else experience this? If so why is this happening?

Hi @payment, the reason that uid and uid_in are ignored for _allDocuments is because the UID values are only unique by Custom Type. That is, you could have two documents with different types and the same UID value.

I will pass this to the @features-team. They will take a look and add this to our feature requests tracker as a possible area for improvement in the future.

This is being tracked as an open feature request.

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