Apple today released tvOS 18.5, the latest version of the tvOS operating system. tvOS 18.5 comes a little over a month after the launch of tvOS 18.4, and it is available for the Apple TV 4K and Apple TV HD models.
tvOS 18.5 can be downloaded using the Settings app on the Apple TV. Open up Settings and go to System > Software Update to get the new software. Apple TV owners who have automatic software updates activated will be upgraded to the new version of tvOS automatically.
Apple shares full release notes for tvOS in its tvOS support document, which is updated after each new version of tvOS comes out.
Apple has also released a new version of the HomePod Software 18.5 for the HomePod and HomePod mini. HomePod software is based on tvOS.