For those who didn’t read the article, the game is already released, it’s the Paper Mario Thousand Year Door remake. In the Japanese text of the original gamecube release, Vivian was a trans character. The English localisation of the Gamecube release cut out all references to her being trans.
The article is saying the Switch remake’s English translation now contains the cut dialogue that fleshes out Vivians backstory.
These are all over the place in Melbourne and they’re delightful