I hear California wants to drop gender markers from photo IDs but due to federal laws they have to have something, so their brilliant idea is that they’ll still have the “Gender: ” field but you can put any letter there.
So if you want M/F for the legacy genders, you can, but you can also do X for non-binary, or any other (latin) letter.
like “Gender: K” or “Gender: Q” or “Gender: V”