Overview
- The fourth developer builds are rolling out now across all six platforms through the Settings app for those with a free developer account.
- watchOS 26.4 introduces an Average Bedtime metric that syncs to the Health app to help track how bedtime affects sleep quality.
- tvOS 26.4 removes the iTunes Movies and iTunes TV Shows apps from Apple TV and adds a Continuous Audio Connection option for HDMI output.
- visionOS 26.4 adds support for foveated streaming so apps and games can prioritize image quality where the user is looking and compress peripheral areas.
- Apple has been issuing 26.4 betas weekly since mid-February, and reporters say the public release is expected within the next few weeks, likely late March.