Relations not showing in API and Filter by a field in the relations is not working

Hello All, I have two content types words and categories where every word can belong to multiple categories and every category can have multiple words, a many to many relationship.

All links below are preceded by http://localhost:1337

When I do /api/words

I see the words but I dont see the relationships or the related categories

When i do /api/words?populate=* then I see the related categories.

However if I want to filter the words by categories like so

/api/words?categories.id=1

This does not work. I simply see all the words. The filter is not working. I want to see words that belong to the category whose id is specified. What am i doing wrong.

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Hi, check out deep filtering.