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Apple Releases iOS 11.4 With Messages in iCloud and AirPlay 2
iOS 11.4 is available on all eligible devices over-the-air in the Settings app. To access the update, go to Settings --> General --> Software Update. Eligible devices include the iPhone 5s and later, the iPad mini 2 and later, the iPad Air and later, and the 6th-generation iPod touch.
iOS 11.4 is an audio-focused update, introducing support for multi-room audio through a new protocol that supports multi-room audio on all AirPlay 2 enabled devices.
Right now, AirPlay 2-compatible devices include the Apple TV and the HomePod, but in the future, AirPlay 2 will be available on third-party speakers from manufacturers like Bang & Olufsen, Bluesound, Bose, Bowers & Wilkins, Denon, Libratone, Marantz, Marshall, Naim, Pioneer and Sonos.
With AirPlay 2, you can play the same song on multiple speakers throughout the house, move music from one room to another, or play music in any room from any room using an iOS device, HomePod, Apple TV, or Siri voice commands. AirPlay 2 devices are now displayed in the Apple Home app as AirPlay 2 is integrated with HomeKit.
Using AirPlay 2, you can control where music is playing through the Control Center or within apps on an iOS device or ask Siri to play music in any room (or multiple rooms) with an AirPlay 2-enabled device.
HomePod is also gaining support for stereo pairing, which is designed to let two HomePods work in unison.
The iOS 11.4 update also introduces Messages in iCloud, a feature that has been in the works for several months and was first promised as an iOS 11 feature in June of 2017. Messages in iCloud is designed to store your iMessages in iCloud rather than on each individual device, allowing for improved syncing capabilities.
At the current time, incoming iMessages are sent to all of the devices where you're signed in to your Apple ID, but there is no true cross-device syncing. Messages in iCloud will let you download all of your iMessages on new devices, and a message deleted on one device will remove it from all devices, which is not the case right now.
Older messages and attachments are also stored in iCloud rather than on device, saving valuable storage space across all of your Macs, iPhones, and iPads.
For the iPhone 8 and iPhone 8 Plus, there is a new (PRODUCT)RED wallpaper available, which is not available on iPhone X, and in betas, the iOS 11.4 update included USB Restricted Mode, which may have made it into release.
USB Restricted Mode introduces a week-long expiration date on access to the Lightning port on iOS devices if your phone has not been unlocked, a feature that limits law enforcement access to the iPhone and the iPad using tools like the GrayKey box.
In addition to these features, iOS 11.4 also includes several bug fixes, as outlined in Apple's release notes. Full release notes are below:
iOS 11.4 includes AirPlay 2 multi-room audio, support for HomePod stereo pairs, and Messages in iCloud. This update also includes bug fixes and improvements.iOS 11.4 may be one of the final updates to the iOS 11 operating system, which will be followed by iOS 12. Apple will unveil iOS 12 at the Worldwide Developers Conference next week.
- Control your home audio system and AirPlay 2-enabled speakers throughout your house
- Play music at the same time on multiple AirPlay 2-enabled speakers in your house, all in sync
- Control AirPlay 2-enabled speakers from Control Center, the Lock screen, or AirPlay controls within apps on your iPhone or iPad
- Use your voice to control AirPlay 2-enabled speakers with Siri from your iPhone or iPad, HomePod, or Apple TV
- Take a call or play a game on your iPhone or iPad without interrupting playback on your AirPlay 2-enabled speakers
HomePod stereo pair
- This update supports setting up your HomePod stereo pair using your iPhone or iPad
- HomePod pair automatically senses its location in the room and balances the sound based on the speakers' locations
- Advanced beamforming provides wider soundstage than traditional stereo pair
- HomePod will automatically update to support stereo pairs, unless auto updates are disabled in the Home app
Messages in iCloud
- Store your messages, photos, and other attachments in iCloud and free up space on your devices
- All your messages appear when you sign into a new device with the same iMessage account
- When you delete messages and conversations they are instantly removed from all your devices
- To turn on Messages in iCloud, enable Messages in iCloud settings (Settings > [your name] > iCloud)
- Your conversations continue to be end-to-end encrypted
Other improvements and fixes
- Enables teachers to assign their students reading activities in iBooks using the Schoolwork app
- Fixes an issue where certain character sequences could cause Messages to crash
- Addresses a Messages issue that could cause some messages to appear out of order
- Addresses an issue that could prevent logging in or accessing files on Google Drive, Google Docs and Gmail in Safari
- Fixes an issue that could prevent data syncing in Health
- Fixes an issue that could prevent users from changing what apps can access Health data
- Resolves an issue that could cause an app to appear in an incorrect location on the Home screen
- Fixes an issue where CarPlay audio could become distorted
- Fixes an issue where selecting music from your iPhone could fail when playing music over Bluetooth or when connected to USB on some vehicles