Cutting out the usual one-day wait between developer and public-tester releases, Apple on Tuesday issued a fourth beta of iOS 9.1 for both groups. While changes and updates are not yet known, there have been a series of small tweaks and polishes in recent betas, including new wallpaper options, the ability to disable contact photos in Messages, and other minor revisions alongside the usual bug fixes. In addition, the company released a new third betas of tvOS and Xcode 7.1 to developers.
