First introduced in DS9, Discovery has updated the Breen considerably, by revealing more about their political structure, and has even shown what a Breen looks like without their helmet.

Although, in that episode, Kira and Dukat weren't too shy about stripping a Breen or two down to the bare necessities, not once in all of DS9 (and beyond) did we, the audience, ever get a glimpse ...

That's not continuity-breaking, it just cooks the noggin! The Breen's second appearance after DS9 was then in the Star Trek: Lower Decks episode Trusted Sources. In that, the crew of the Cerritos ...