For the complete iOS version history you can check Wikipedia:https://en.wikipedia.org/wiki/IOS_version_history
iOS 9.1 (Beta 3)
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Hardware:
Bug Fixes:
iOS 9.0.2
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iOS 9.0.1
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iOS 9.0
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Note:Limited support on iPhone 4S, iPad 2, iPod Touch 5th generation, and iPad Mini (1st Generation).
Apple Watch Application:
Wallet:
App Store:
News:
Find My iPhone:
Mail:
Maps:
Messages:
Music:
Notes:
Notification Centre / Notifications / Widgets:
Podcasts:
Phone:
Safari:
Settings:
Siri:
Photos/Camera:
Reminders:
iBooks:
CarPlay:
Health:
Keyboard:
UI:
Battery:
Find My Friends:
Spotlight Search:
Improvements to the iPad experience:
Performance and Stability enhancements:
Security:
Apple Developers – iOS 9.0 SDK :
Other:
Enterprise:
Accessibility:
iOS 9.1 (Beta 3)
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Hardware:
- Support for iPad Pro with Apple Pencil and Apple Smart Keyboard.
- Support for Apple TV 4th Generation (tvOS).
- Performance improvements.
- New emoji.
- News App now available for UK and Australian users.
- Notes app adds a Trash folder for iCloud Notes.
- Contact photos in Messages can now be turned Off or On in "Settings" for iPhone 6, iPhone 6 Plus, iPhone 6S and iPhone 6S Plus.
- New wallpapers, including Jupiter from the iPad Pro.
Bug Fixes:
- In the App Switcher, the Messages App now displays correctly (rather than completely white).
- In the App Switcher, the Mail App now displays correctly.
- Quick Reply from the Lockscreen no longer leaves a black keyboard outline.
- Proactive status bar overlay is fixed.
- Fixes "zoomed" issue on iPhone 6S where Wallet and Weather appear "zoomed" after restoring from an older iPhone backup.
- "Open in" button when opening files in Safari is back.
iOS 9.0.2
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- Fixes a bug with the setting to turn on or off mobile data usage.
- Resolves an issue that prevented iMessage activation for some users.
- Resolves an issue where an iCloud Backup could be interrupted after starting a manual backup.
- Fixes an issue where the screen could incorrectly rotate when receiving notifications.
- Improves the stability of Podcasts.
- Fixes an issue where the clock was 2 minutes fast for some users.
- Fixes an issue with 'App Slicing' when downloading from the App Store.
- Fixes the Lockscreen bypass bug when using a Numeric Passcode.
iOS 9.0.1
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- Fixes an issue where some users could not complete setup assistant after updating
- Fixes an issue where sometimes alarms and timers could fail to play
- Fixes an issue in Safari and Photos where pausing video could cause the paused frame to appear distorted
- Fixes an issue where some users with a custom APN setup via a profile would lose cellular data
- Performance improvements
iOS 9.0
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Note:Limited support on iPhone 4S, iPad 2, iPod Touch 5th generation, and iPad Mini (1st Generation).
- Initial release on iPhone 6S, iPhone 6S Plus and iPad Mini 4.
Apple Watch Application:
- Renamed to Watch
- Updated haptic feedback icons
Wallet:
- Replaces the Passbook app with a new app called Wallet and enhances the features of Apple Pay with Discover Credit/Debit Card support, Store Loyalty Card support, and support for Apple Pay in the UK.
- Double press home button on lockscreen quickly launches wallet.
App Store:
- App Store reviews no longer allowed when using a beta version of iOS.
- App Thinning allows the App Store to only download the assets needed for the device you are using.
- On-demand resources allows iConnect to host assets for later download.
News:
- Adds a new app called News which provides curated lists of personalized news content for iOS users, offering up content from popular websites and newspapers and displaying it in an iOS-friendly layout. This app replaces the Newsstand app
- The News application will be available to users in the US, UK, and Australia at launch.
Find My iPhone:
- Find My iPhone is now pre-installed on iOS 9.
Mail:
- You can now add attachments to your messages in the Mail app which sources documents from iCloud Drive.
- Support for saving attachments to iCloud Drive.
- Icons added to left and right swipe gestures.
- Markup lets you annotate images and add signatures.
- If you are sent a link to the App Store in an email, pressing the link will open a pop up window rather than going directly to the App Store.
Maps:
- Adds support for transit directions in Apple Maps in select cities. Also, popular places such as restaurants, stores, and points of interests will be highlighted and presented to the user in a central location. Apple Maps will even tell a user whether a retailer accepts Apple Pay or not.
- Adds support for "Follow up by Email" that allows Apple to email you about issue you report.
- Maps will now announce an "Event" that is on your route as you approach it during navigation.
Messages:
- Contact Pictures in list view
- Redesigned overlay when sending an audio clip.
Music:
- Stream High Quality option in Music Settings.
- Home Sharing returns (removed in iOS 8.4).
- Updated design of share menus.
- New alert for "showing only offline music"
Notes:
- Support for hand-drawn sketches, checklists, and inserting photos from the internet or the Camera Roll.
- Adds different fonts for headings, body, and titles.
- Recently deleted folder.
- Share Sheet extension that allows a user to input text, pictures, or other attachments from anywhere in the system via an extension in the share sheet.
Notification Centre / Notifications / Widgets:
- Notifications are no longer sorted by application, they can instead be sorted by day starting with recent notifications.
- Notification Centre Widget "Batteries" (when paired with a Bluetooth device). This will also show the battery level next to the Bluetooth icon in the status bar.
Podcasts:
- The Podcasts App has a new Unplayed tab which will show you your podcasts which have not yet been played.
- The Podcasts App has a new redesigned icon.
Phone:
- Adds WiFi Calling support for iPhone users on AT&T. This feature was previously limited to T-Mobile and Sprint users.
Safari:
- "Find on page" and "Request Desktop Version" now accessed from Share Sheet.
- Support for content blockers.
- A long press on the refresh button in Safari now offers to request the desktop page or to reload without content blockers enabled.
- "Paste and Search" in Safari URL bar.
- You can choose the background colour and font in the Reading List
Settings:
- You can now search settings.
- There are now video recording settings to change the quality of your recorded videos.
- When changing wallpapers, there is a new "Still" option which keeps the wallpaper still.
- There is a new iCloud Drive app which can be enabled in the iCloud Settings.
- Battery moved to the top level.
- Updated Notifications icon.
- Additional options for Auto-Lock - When in Low Power Mode, this setting is over-ridden, the setting gets locked to 30 seconds.
- Wallpapers
- Adds 15 new wallpapers to iOS which replace most of the wallpaper that was present in iOS 8 as well as removing the default wallpaper present in iOS 9 betas 1-4
- 4K video recording (30FPS) setting with the iPhone 6S and iPhone 6S Plus.
- Lock / Unlock, this allows the Smart Cover on the iPad to wake and unlock the iPad when opened.
- 3D Touch can be turned Off or On in "Settings" -> "General" -> "Accessibility" -> "3D Touch". The sensitivity can be be adjusted and you can also do a sensitivity test. (iPhone 6S and iPhone 6S Plus)
- When declining a software update, you have the options of being reminded later or allowing the iOS device to update automatically overnight when plugged in.
- A new zoom feature called "Peak Zoom" with 3D Touch can be enabled from "Settings" -> "General" -> "Accessibility" -> "Zoom" on the iPhone 6S and iPhone 6S Plus. https://forums.macrumors.com/threads/iphone-6s-has-a-hidden-3d-touch-feature-zoom.1922368/
- Synchronised vibration alerts (Taptic Engine) with notification sounds on the iPhone 6S and iPhone 6S Plus.
Siri:
- Siri has a new colorful interface, similar to that of the Apple Watch.
- Removed sound from Siri activation.
- Updated Siri icon in Settings.
- Ability to ask Siri to Remind you of items on screen.
- Siri can now use an accent (same language) which differs from your input language.
- Siri no longer asks you to confirm reminders that are created.
- New "Hey Siri" setup screen (under settings) to calibrate with your voice. "Hey Siri" will work on battery on the iPhone 6S and iPhone 6S Plus.
Photos/Camera:
- Added preview scrubber bar to photo viewer.
- Screenshots and Selfies albums added.
- Hide photo added to Share Sheet.
- Ability to hold and select multiple photos.
- Videos now have a redesigned scrubber at the bottom of the screen.
- Live Photos for iPhone 6S and iPhone 6S Plus. This can also be used on the Apple Watch as an animated clock face running watchOS 2.0.
Reminders:
- Share Sheet extension.
- Shows number of overdue items for each list next to title.
iBooks:
- Safari extension to turn a webpage into a PDF and open it in iBooks.
CarPlay:
- Adds support for wireless CarPlay
- Lets users access the car's settings (such as climate control) through the CarPlay interface itself.
- Battery level indicator added to onscreen display.
Health:
- Added landscape view.
- New data points for sexual health, UV exposure, water intake, and sedentary state.
Keyboard:
- New keyboard now displays whether the letters are upper-case or lower-case depending on whether the Shift key has been toggled or not.
- Copy/Paste functions on the keyboard have been replaced with an Undo/Redo button. The Copy/Paste buttons still appear when text is selected.
- Over 50 new flag emoji's
- A two-fingered gesture on the keyboard will convert the keyboard to a track pad to move the cursor and make it easier to manipulate text.
- Ability to disable character preview.
UI:
- Helvetica Neue font used in iOS 7/8 replaced by San Francisco font used on Apple Watch.
- It is possible to go directly back to an app that was previously being used if an ad is tapped in an app or on the internet.
- Recent Contacts have been removed from the multitasking UI. They have now been placed in the new Proactive Menu.
- Handoff is now displayed as a pull up menu in the appswitcher.
- Redesigned Voice Control audio waveform.
- Redesigned audio dictation audio waveform.
- 3D Touch for iPhone 6S and iPhone 6S Plus.
Battery:
- New Low Power Mode disables Background App Refresh, Mail Fetch, Motion Effects, and Animated Wallpapers. It also extends device's battery life up to three hours.
- Low Power Mode automatically turns off when battery is charged to 80% capacity. This can be enabled again on the Lock Screen by swiping the notification and pressing "Enable again".
Find My Friends:
- Find My Friends is now pre-installed on iOS 9.
- Notification Center Widget.
Spotlight Search:
- A more intelligent Spotlight search provides info such as Weather, News, Stocks, nearby places, and recent/favorite contacts based on the user's preference. Spotlight search can be activated by swiping to the left on the home screen or swiping down on the first page of the home screen.
- Spotlight can also perform many useful tasks such as currency conversions and calculations.
- Adds support for a proactive assistant, which recognizes and does tasks for you based on info. For example, if an invitation is shown in Mail, it will automatically be added to the Calendar app.
Improvements to the iPad experience:
- Two apps are now viewable on screen at a time in a split view, or with Slide Over
- Support for a floating picture-in-picture video while doing other tasks.
- Folders on iPad use a 4x4 layout rather than 3x3.
- Redesigned notification centre view when in landscape. (see images here)
- Support for hardware keyboard shortcuts.
- Support for Alt Tab / Cmd Tab.
Performance and Stability enhancements:
- Extends the battery life of iOS devices by an extra hour.
- Minimizes iOS update file size to 1.3 GB.
- Improves performance on iOS devices by utilising Metal API throughout iOS.
- Reduced touch latency from sixty milliseconds to less than thirty milliseconds.
Security:
- Touch ID devices now use a 6-digit passcode by default, though a 4-digit option is still available alongside options for a passcode with a custom number of digits and an alphanumeric passcode.
- Adds 2-factor authentication for iCloud on iOS
- Adds support for add a IKEv2 VPN directly in Settings without need for 3rd party app.
Apple Developers – iOS 9.0 SDK :
- Support for Swift 2.0.
- ReplayKit
- Allows recording gameplay in the background to enable sharing of short video clips of your gameplay.
- GameplayKit.
- Model I/O.
- Support for text input Notification Actions in 3rd party apps.
- Search extension.
- MapKitAccess to 3D flyover view.
- Access to traffic data.
- ResearchKit iPad support.
- HomeKitSupport for additional devices.
- Predefined scenesWake up
- Leave Home
- Arrive Home
- Bed
- Test on device.
- Predictive Touch.
- 3D Touch
- Live Photos
- Quick Reply
Other:
- Print preview screen. Allows you to view all pages, select which pages to print, and print in black and white.
- You can save visual voicemails to Voice Memos.
- Added confirmation dialog when an app attempts to open another app.
- Support for Right-to-Left Languages.
- Flight status and previews.
- 3D Touch can be used for text section on iPhone 6S and iPhone 6S Plus.
Enterprise:
- DEP (Device Enrolment Program) Support added for 26 countries.
- New device restriction options
- Screen Recording
- Automatic app downloads
- iCloud Photo Library
- Keyboard Shortcuts
- Modify device name, passcode, Wallpaper
- News
- Pair with Apple Watch
Accessibility:
- Speak Selection and Speak Screen can now use Siri voice.
- Ability to customise AssistiveTouch menu.
- Support for hardware keyboard StickyKeys, Key Repeat and Slow Keys.
- Ability to show only uppercase keys or case correct keys.
- Ability to disable vibrations.
- Ability to disable Shake to Undo.
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