Apple now distributes app that tests various aspects of iPhone accessories. App is intended to help accessory developers to ensure that those accessories work properly with the iPhone and iPad.
App Store: Accessory Developer Assistant (unlisted)
Reference: Apple now distributing ‘Accessory Developer Assistant’ app through the App Store
During discussions on recent iCloud issues, it turned out that important role plays submitting requests via Feedback Assistant tool. Usually, you might want to highlight the issue using Twitter, or try using DTS request on your paid Apple Developer program.
Several developers share their experience contacting Apple development teams using various channels.
Apple: Feedback Assistant
Reference: Getting Feedback to Apple
