Apple has released the fifth developer beta for tvOS 9.2.2 for the 2015 Apple TV. If you're an interested developer, you can grab the latest beta release, which comes in at build 13Y825, from Apple's Developer Download page.
A comprehensive rundown of what's new in tvOS 9.2.2 isn't yet available, but it's likely the update will contain a number of bug fixes and improvements once it's released. A much larger update is due out later this year with tvOS 10.
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