Can you try with this other link please: Join the Discourse Hub beta - TestFlight - Apple (not sure why, but the test group for the original link is stuck in the “isn’t accepting any new testers” state).
Can you try with this other link please: Join the Discourse Hub beta - TestFlight - Apple (not sure why, but the test group for the original link is stuck in the “isn’t accepting any new testers” state).