CarPlay
Providing iOS control to in-car control systems on some car models by selected vendors from 2014.
Includes Siri integration (eyes-free/hands-free modes), satellite navigation, telephony, music, and iMessage integration.
iOS experience designed for the car (iPhone 5 and later).
Works by connecting a Lightning enabled iPhone to a CarPlay enabled vehicle.
Supports Phone, Messages, Maps, and audio apps (inc. Music and third-party).
Siri
Manually control when Siri listens by holding down the Home button while you speak, then releasing it when you're finished.
New, more natural sounding male and female voices for Chinese, UK English, Australian English, and Japanese.
iTunes Radio
Search field above Featured Stations to create stations based on Artist or Song.
Buy albums directly from the Now Playing screen.
Accessibility
Bold font option now includes the keyboard, calculator, and many icon glyphs.
Reduce Motion option now includes Weather, Messages, and multitasking UI animations.
New options to display button shapes, darken app colors, and reduce white point.
Calendar
Option to display event list with the month view.
Country specific holidays automatically added for many countries.
List view has been redesigned.
UI
Camera app has a new "HDR Auto" feature.
Photos & Camera tab in iOS Settings has a new "Upload Burst Photos" option.
You can disable Parallax effect independently of other animations when setting up wallpaper.
Notification Center now displays "No Notifications" and "No Missed Notifications" for the "All" and "Missed" sections respectively when there are no notifications.
Caller ID photos: no longer full screen, instead small circle portrait for incoming/outgoing calls.
New Yahoo logo, in both Notification Center and the Weather and Stocks apps.
A new dialogue "Touch ID requires your passcode when iPhone restarts" when restarting.
New iPad wallpapers.
"Touch ID and Passcode" has been moved-up to the main menu in Settings.
Animations and transitions are noticeably faster.
Keyboard has new Shift/Backspace key highlights.
Control Center has a new "spring" animation upon opening.
Control Center sliders volume and brightness have momentum.
Wi-Fi toggle in Control Center now black when Wi-Fi not available (greyed-out in Settings)
Icons for Phone, Messages and FaceTime apps have less vibrant colors.
Music app: Albums now in descending order when browsing by Artist.
Numerous changes that make iOS 7 whole, consistent. The Phone app has a new-look dialer.
The slide-to-power-off UI has been redesigned.
Bug Fixes/Improvements
Touch ID fingerprint recognition is improved.
Improved performance.
Fixes a home screen crash bug.
Fixes display of Mail unread badge for numbers greater than 10,000.
iCloud Keychain support in additional countries.
FaceTime call notifications, automatically clear when call answered on another device.
iBeacon improvements.
Patches 41 security exploits, including those used by the Evasi0n 7 jailbreak.
Bug fixes (7.1.1)
Stability and performance
Further improvements to Touch ID fingerprint recognitionP5S
Fixes a bug that could impact keyboard responsiveness
Fixes an issue when using Bluetooth keyboards with VoiceOver enabled
Bug Fixes/Improvements (7.1.2)
Improves iBeacon connectivity and stability
Fixes a bug with data transfer for some 3rd party accessories, including bar code scanners
Corrects an issue with data protection class of Mail attachments