PSA: "Tap to Fix" loop with effect apps: iOS bug, here's the workaround
We've been tussling with an annoying bug present in all Inter-App Audio apps including Audiobus where some effects don't seem to load properly. In Audiobus, this manifests as a "Tap to Fix" loop.
Turns out this is an iOS 11 bug that is triggered by denying the effect app microphone permissions. It can be resolved by opening up the system Settings app, finding the settings for the affected FX apps at the bottom, and switching on mic permissions for each.
We've made the appropriate team at Apple aware of the problem, and it's being investigated.