The second beta of iOS 8.4.1 was seeded to registered Apple developers yesterday. This release about two weeks after the first beta and over a month since iOS 8.4.
Apple introduced a brand new Music app in iOS 8.4 along with Beats 1 radio and music streaming service service called Apple Music.
The iOS 8.4.1 update seems to be a minor one and doesn’t include any release notes.
iOS 8.4.1 beta 2 carries the build number 12H318 and is currently available through OTA update or from the iOS developer portal. You’ll need to be on the first beta to be able to update via OTA.
We’re not sure if the iOS 8.4.1 beta 2 breaks the TaiG 8.4 jailbreak, but most likely it does not. The first beta didn’t patch the jailbreak either.
Apple is scheduled to release iOS 9 later this fall, so iOS 8.4.1 isn’t of much importance right now. Minor bug fixes and improvements is all we can expect from such a minor release.