Apple has seeded tvOS 11.1 beta 4 to developers for testing. The build number is 15J5582a.
tvOS 11.1 includes bug fixes and security improvements in the OS and SDK.
● Resolved an audio quality issue with Apple TV 4K using Bluetooth to stream to
headphones that use the W1 chip.
● An issue that resulted in Ethernet connectivity ceasing to function has been resolved.
● Increased on-screen UI brightness for HDR output.
● During an OTA (over the air) update to tvOS 11.1, the display is no longer blank for an
extended period of time after Step 1 of 2 completes.
Developers can download the tvOS 11.1 beta firmware from the link below…