https://wccftech.com/unc0ver-tvos-jailbreak-apple-tv-5-1-0/

Following up to the iOS 13.5 jailbreak, unc0ver tvOS jailbreak is now available. Version 5.1.0 beta of the jailbreak tool is available for download and works with Apple TV HD and 4K models on tvOS 13.4.5 and older versions.

Why would you want to jailbreak Apple TV? Here are a few reasons: