Apple
tvOS 17.5.1 Out for Apple TV, Here’s What’s New
Apple’s pushed a new tvOS 17.5.1 update to Apple TV. The software, a point upgrade, replaces tvOS 17.5 as the most up-to-date version of tvOS 17.

Like tvOS 17.5, tvOS 17.5.1 is a minor upgrade for Apple TV HD and Apple TV 4K. Apple says the update addresses a rare issue where photos that experienced database corruption could reappear in the Photos library even if they were deleted.
Apple fixed the same issue with its iOS 17.5.1 update for iPhone and iPadOS 17.5.1 update for iPad and now it’s remedied on the Apple TV.
Given that tvOS 17.5 delivered several security patches to Apple TV, we don’t expect tvOS 17.5.1 to have security patches on board.
Apple TV 4K and Apple TV HD users who want to manually download the latest tvOS 17 software need to head to System > Software Update in the Settings app to install it.
Those who have automatic updates turned on should see their device move up to the new version automatically.