Montana's Supreme Court ruled Tuesday that trans residents can legally update their documents to match their gender identity, with Justice McKinnon writing that discrimination based on gender identity is inherently sex discrimination. The decision directly addresses state ID law and gives trans residents a clear legal pathway to document accuracy. This ruling sets a precedent in Montana but does not automatically apply to other states with different laws — trans rights protections remain highly variable across the US, and federal protections remain contested in Republican-controlled Congress.