You updated your iPhone to iOS 18, and now YouTube is the stable version. Fix: Apple sometimes revokes beta entitlements during major OS updates. Open TestFlight and re-download the beta from there. Your tester slot is still active.
A new tool that automatically clips engaging moments from long-form videos to turn them into Shorts. youtube beta testflight upd
TestFlight does not auto-update as aggressively as the App Store. To force an update: You updated your iPhone to iOS 18, and