Public comment period on passport gender markers is OPEN. "I'm opposed to the change from 'gender' to 'sex' and urge the continuation of the current policy, where gender markers reflect the information provided by the applicant," plus add your reasons.

https://www.federalregister.gov/documents/2025/02/14/2025-02648/30-day-notice-of-proposed-information-collection-application-for-a-us-passport