M1 Mac Hosting Remote Play Together Hangs for Non-host Player

[dav08050]

ISSUE
The Remote Play Together feature will not allow an M1 Mac user to host a game. Has been tested on Castle Crashers, Overcooked! 2 and Cuphead. Civilization VI will usually allow hosting, in my experience

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OS
MacOS Big Sur 11.6 (on 2020 M1 Macbook Pro)

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STEPS
HOST:
1. Open Castle Crashers, Overcooked! 2, or Cuphead
2. Open the Steam Overlay with Shift + Tab.
3. Tap the "View All Friends" button under the "Friends" window

Option 1
4a. In the window that opens, tap the bar that reads "Invite Anyone to Play" and has the Game Controller icon next to it.
4b. In the new window that opens, push the Copy button in the Guest 1 window.
4c. Paste the copied link in a message to the player you want to invite and send it.
--OR--
Option 2
4a. Tap the arrow pointing down (ˇ) next to the name of the friend you want to invite.
4b. In the resulting dropdown menu, tap "Remote Play Together" under the name of the game you're playing (under the "View Profile" option).

PLAYER TWO:
1. Respond to the invitation to join the Remote Play Together session.

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RESULTS
Once the user has responded to the invitation and does whatever is required to join the session, the page simply hangs, never letting the player into the stream.

EXPECTED
The player should be allowed into the stream so the Host and Player Two can play together.