Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.
App Store
All-new App Store designed for discovering great apps and games everyday
New Today tab helps you discover new apps and games with stories, how-to guides, and more
New Games tab to find new games and see what’s most popular with top game charts
Dedicated Apps tab with top picks, dedicated app charts, and app categories
App pages include more video previews, Editors’ Choice badges, easier access to user ratings, and information about in-app purchases
Siri
New Siri voice is more natural and expressive
Translate English words and phrases into Chinese, French, German, Italian or Spanish (beta)
Siri suggestions based on your usage of Safari, News, Mail, and Messages
Works with notes apps to create to-do lists, notes and reminders
Works with banking apps for account transfer and balances
Works with apps that display QR codes
Hindi and Shanghainese dictation
Camera
Portrait mode now supports optical image stabilization, HDR and True Tone flash
Photos and videos will take up half the space with the new HEIF and HEVC image and video formats
Redesigned set of nine filters optimized for natural skin tones
Automatically identify and scan QR codes
Photos
Loop, Bounce, and Long Exposure Live Photo effects
Mute, trim, or choose a new key photo for Live Photos
Memory Movies automatically adapt content for portrait and landscape orientation
More than a dozen new memory types including pets, babies, weddings, and sporting events
People album is more accurate and stays up to date across devices with iCloud Photo Library
Animated GIF support
Maps
Indoor maps for major airports and shopping centers
Lane guidance and speed limit information with Turn-by-turn directions
One-handed zoom with double tap and swipe
Interact with Flyover by moving your device
Do Not Disturb while Driving
Automatically silences notifications while driving and keeps iPhone silent and display off
Optional iMessage auto reply to alert selected contacts that you’re driving
New features designed for iPad
An all new Dock provides quick access to your favorite and recently used apps and can even be shown on top of active apps
Dock resizes so you can add all of your favorite apps
Recently used and Continuity apps are available on the right
Enhanced Slide Over and Split View
Apps can be easily started in Slide Over and Split View from the Dock
Slide Over and background apps now run simultaneously
Apps in Slide Over and Split View can now be placed on the left side of the screen
Drag and drop
Move text, images, and files between apps on iPad
Multi-Touch to move multiple items at the same time
Spring-loading to move content between apps
Markup
Markup works across documents, PDFs, webpages, photos and more
Instant markup anything in iOS - just place Apple Pencil on what you want to mark
Create a PDF and markup anything that can be printed
Notes
Instantly create a new note by tapping on Lock Screen with Apple Pencil
Inline drawing available by simply placing Apple Pencil in body of a note
Search handwritten text
Document scanner autocorrects for skewing and uses image filters to remove shadows
Table support to organize and display information
Pin important notes to the top of the list
Files
All-new Files app to browse, search and organize files
Works with iCloud Drive and 3rd party cloud file providers
Recents view for quick access to recently used files across all apps and cloud services
Create folders and sort files by name, date, size and tags
QuickType
Flick down on letter keys to enter numbers, symbols and punctuation marks on iPad
One-handed keyboard support on iPhone
New keyboards for Armenian, Azerbaijani, Belarusian, Georgian, Irish, Kannada, Malayalam, Maori, Odia, Swahili, and Welsh
English input on the 10-key Pinyin keyboard
English input on the Japanese Romaji keyboard
HomeKit
New accessory types including AirPlay 2 speakers, sprinklers and faucets
Expanded occupancy, time and accessory based triggers
QR code and tap to pair accessory setup support
Augmented Reality
Augmented reality technologies that apps from the App Store can use to deliver content on top of real-world scenes for interactive gaming, immersive shopping experiences, industrial design and more
Machine Learning
Core machine learning technologies that apps from the App Store can use to deliver intelligent features with machine learning data processed on device for high performance and user privacy
Other features and improvements
Control Center redesign brings all controls on one page
Control Center custom controls including accessibility, guided access, magnifier, text size, screen recording and Wallet
Apple Music now helps you discover music with friends. Create a profile so friends can listen to playlists you’ve shared and see the music you listen to most
Apple News now includes Top Stories picked just for you, recommendations from Siri, the best videos of the day in Today View, and great stories selected by our editors in the new Spotlight tab
Apple Podcasts has an all-new design. Use Listen Now to easily play new episodes or continue where you left off. Shows can now also contain seasons, trailers and bonus episodes
Automatic Setup signs you in to iCloud, Keychain, iTunes, App Store, iMessage, and FaceTime with your Apple ID
Automatic Setup restores device settings including language, region, network, keyboard preferences, places you frequently visit, how you talk to Siri, home and health data
Easily share access to your Wi-Fi networks
Storage optimization notifications and free up space in Settings for apps like Photos, Messages, and more
Emergency SOS calls emergency services based on your current location and automatically notifies emergency contacts, shares your location, and displays your Medical ID
FaceTime lets you capture Live Photos from the other person’s Mac or iPhone camera
Easily check Flight status in Spotlight and Safari
Definitions, conversions and math support in Safari
Russian and English bilingual dictionary
Portuguese and English bilingual dictionary
Arabic system font support
Accessibility
VoiceOver descriptions support for images
VoiceOver tables and lists support in PDFs
Type to Siri support for basic search queries
Spoken and braille caption support for videos
Dynamic Type increases text and app UI to larger sizes
Redesigned Invert Colors make media content easier to view
Highlight Colors improvements in Speak Selection and Speak Screen
Switch Control typing can scan and type whole words at a time
iOS 11.0.3 is performance optimized for 64-bit apps. 32-bit apps will need to be updated by the app developer to work with this version of iOS.