tvOS 16.3.3 „fixes an issue where the Siri Remote can become unresponsive on Apple TV 4K.“
Apple has rolled out tvOS 16.3.3, a software update for the Apple TV that includes a fix for a long-running problem with the Siri Remote.
For several months, owners of the latest Apple TV 4K model have complained that their Siri Remotes regularly disconnect from the device without explanation, often while playing something. This issue has persisted through the release of tvOS 16.