Apple releases tvOS 12.2.1, with bug fixes & speed improvements
Apple has released an update bringing the Apple TV up to tvOS 12.2.1, one which is a maintenance release that fixes issues but does not add any new features to the operating system.

Apple originally released tvOS 12.2 on March 25, following six beta releases. The update, issued on Wednesday, arrives 17 days after the last publicly-released version for the set-top streaming device.
The release notes advise the update to tvOS 12.2.1 is purely introducing bug fixes and various performance improvements. It is believed there are no major or minor changes to the software, outside of making it run with fewer issues.
The update is also unusual as it did not pass through the usual beta process before its release. Apple has not specified what exactly the patch fixes.
The tvOS 12.2 release before the latest update introduced very few changes, with the main alteration being the ability to ask Siri from an iOS device to play content on the Apple TV.
Apple is currently beta testing tvOS 12.3, which recently saw its second build become available for testing by developers and members of the public. For that version, Apple is incorporating changes to the TV app, laying the groundwork for Apple TV Channels and the Apple TV+ services, with the iOS 12.3 beta having similar additions.

Apple originally released tvOS 12.2 on March 25, following six beta releases. The update, issued on Wednesday, arrives 17 days after the last publicly-released version for the set-top streaming device.
The release notes advise the update to tvOS 12.2.1 is purely introducing bug fixes and various performance improvements. It is believed there are no major or minor changes to the software, outside of making it run with fewer issues.
The update is also unusual as it did not pass through the usual beta process before its release. Apple has not specified what exactly the patch fixes.
The tvOS 12.2 release before the latest update introduced very few changes, with the main alteration being the ability to ask Siri from an iOS device to play content on the Apple TV.
Apple is currently beta testing tvOS 12.3, which recently saw its second build become available for testing by developers and members of the public. For that version, Apple is incorporating changes to the TV app, laying the groundwork for Apple TV Channels and the Apple TV+ services, with the iOS 12.3 beta having similar additions.
Comments
The one nagging problem I have is that while Airplay used to be persistent once set (ie between uses going into standby), several releases ago the behavior changed such that it for whatever reason, the ATV says it is unable to connect to the previously set Airplay device, yet, it will immediately connect to it when I make the change either thru the settings or the shortcut (ie hold play/pause while in main menu). The Airplay device is an original design Airport Express used solely to feed audio into an original Apple HiFI speaker (used on a second TV). The sound out of the old HiFi speaker is still amazing!
This update really did not want to behave well. The first attempt at download failed, the 2nd attempt it failed while "preparing" on the 3rd time, it finally installed properly. NO clue what was going on.
I need to set Match Frame rate and wait for the TV to switch between different frame rates all the time when playing *any* content.
Moreover, spinning forever when accessing content that is solved only by getting out into the overview, and each time you access the purchased Movies or TV shows pages, it takes *forever* to download (again!) the cover art and the list itself. Why do I have 64GB if each time everything seems to be downloading from scratch?
I hope this fix will actually do something. Because performance leaves quite some to be desired.