: New prototypes for video discovery and generative AI features being tested via YouTube Labs Tester Limitations and Feedback 90-Day Limit
Since the public TestFlight program has been largely inactive or restricted for years, you can use these official alternatives: youtube beta testflight upd
QA checklist (recommended)
Do not flood the feedback with feature requests. Stick to crashes, performance drops, and UI glitches. How to Join the YouTube Beta on TestFlight