Apple has released iOS 8.4 for iPhone, iPad and iPod touch along with Apple Music. Apple Music was announced at WWDC 2015.
Apple Music is available for a free trial for 3 months and after that you will have to pay a subscription of $9.99 per month. With Apple Music users will be able to stream music from a catalogue of 30 million songs.
iOS 8.4 includes various updates along with improvements and bugs fixes. It fixes iMessage bugs, the addition of audiobooks in iBooks and the Apple Watch fixes.
iOS 8.4 compatible devices:
iPhone 4S, iPhone 5, iPhone 5c, iPhone 5s, iPhone 6, iPhone 6 Plus
iPad Air 2, iPad mini 3, iPad 2, iPad (third-generation), iPad (fourth-generation), iPad Air, iPad mini, iPad mini with Retina display
iPod touch 5G
How To Update to iOS 8.4
You can go to Settings >> General >> Software Update to iOS 8.4
iOS 8.4 IPSW Download Links
Release notes of the iOS 8.4
Become an Apple Music member to play from millions of songs in the Apple Music catalog, or keep them offline for playback later
For You: Members can see playlist and album recommendations, handpicked by music experts
New: Members can find the latest, greatest new music available – direct from our editors
Radio: Tune in to music, interviews, and exclusive radio shows on Beats 1, play radio stations created by our editors or create your own from any artist or song
Connect: See shared thoughts, photos, music, and videos from artists you follow, then join the conversation
My Music: Play from all of your iTunes purchases, songs from Apple Music, and playlists in one place
Completely redesigned music player that includes new features such as Recently Added, MiniPlayer, Up Next, and more
iTunes Store: Still the best place to buy your favorite music—one song or album at a time.
Availability and features may vary by country
iBooks improvements and fixes
Browse, listen and download audiobooks from inside iBooks
Enjoy the all-new Now Playing feature, designed specifically for audiobooks
Books that are Made for iBooks now work on iPhone in addition to iPad
Find and pre-order books in a series right from your library
Improves accessibility of widgets, glossary and navigation in books made with iBooks Author
New default Chinese font
New setting to turn off Auto-Night theme in your library
Resolves an issue that may have prevented Hide Purchases from working
Resolves an issue that may have prevented downloading books from iCloud
Other improvements and bug fixes
Fixes an issue where receiving a specific series of Unicode characters causes device to reboot
Fixes an issue that prevented GPS accessories from providing location data
Fixes an issue where deleted Apple Watch apps could re-install
If you are on jailbroken iOS 8.3, stay away from iOS 8.4.