All applications for gender marker change are on hold while the State Department changes this policy. Anyone who now submits an application for a change runs the risk of losing access to their passport and documents while their application is being processed.

Bad news : You don't know what will happen. Good news : You don't know what will happen.

I've tried many and the best so far is an evaporative humidifier like one of the Essick Air Care brand ones. They can take tap water and don't get as gross as the ultrasonic ones, and are easier to clean. There are whole house or smaller options.