It sure does!
Thanks to the awesome group over at: https://aria-net.org/SitePages/Portal/Bridges.aspx !
From their document:
The address syntax to access XMPP from Matrix:
- Private chats: @_bifrost_USER=40DOMAIN:aria-net.org
- MUCs: #_bifrost_MUCNAME_MUCDOMAIN:aria-net.org
You can start new matrix chat from the Beeper Desktop Client by going to the compose icon > Create New Beeper (matrix) chat, for new private chats. Article here.
You can join a matrix room from the Beeper Desktop Client by going to the gears icon > Join Matrix Room
Note: Make sure to change the matrix room server to whatever aria-net.org: