If the TestFlight beta is full, you can still access experimental updates through official YouTube channels: YouTube Labs
: The program often reaches its capacity of 10,000 testers quickly. If a link shows the "Beta is Full" message, you must wait for the developer to remove inactive testers or increase the limit. Alternatives for Testing New Features youtube beta testflight upd
Apple's TestFlight is the official platform for testing beta apps on iOS, iPadOS, and tvOS. To participate in YouTube's beta, you typically follow these steps: If the TestFlight beta is full, you can