In a word YES Airplay still offers Airplay to Airport Express, and the copy of Airport Utility on my Monterey system has a creation date of August 7, 2021.😮â€ðŸ’¨
Can't get much more current than that!
Thanks.
The new Great Equalizer is the SEND button.
In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire