Change log is huge.
Improved performance for:
– App launch
– App responsiveness
– Messages
– Wi-Fi
– Control Center
– Safari tabs
– 3rd-party keyboards
– Keyboard shortcuts
– Simplified Chinese keyboard
Wi-Fi and Bluetooth fixes
– Fixes an issue where you could be continuously prompted for login credentials
– Addresses an issue where some devices disconnect intermittently from Wi-Fi networks
– Fixes an issue where hands-free phone calls could become disconnected
– Fixes an issue where audio playback could stop working with some bluetooth speakers
Orientation and rotation fixes
– Addresses an issue that sometimes prevented rotating back to portrait after having rotated to landscape
– Improves performance and stability issues that occurred when rotating the device between portrait and landscape
– Fixes an issue where device orientation appeared upside down after pulling the iPhone 6 Plus from your pocket
– Resolves an issue that sometimes prevented apps from rotating to correct orientation after switching apps in multitasking
Messages fixes
– Addresses issues that caused group messages to sometimes split
– Fixes an issue that sometimes removed the ability to forward or delete individual messages
– Resolves an issue that sometimes prevented a preview from appearing when taking a photo in Messages
– Adds the ability to report junk messages directly from the Messages app
– Adds the ability to filter out iMessages that are not sent by your contacts
Family Sharing fixes
– Fixes a bug where certain apps would not launch or update on family members’ devices
– Fixes a bug that prevented family members from downloading certain free apps
– Increased reliability for Ask to Buy notifications
CarPlay fixes
– Fixes an issue where Maps could come up as a black screen
– Fixes an issue where the UI could be incorrectly rotated
– Fixes an issue where the keyboard could appear on the CarPlay screen when it shouldn’t
Enterprise fixes
– Improves reliability of installing and updating enterprise apps
– Corrects the time zone of Calendar events created in IBM Notes
– Fixes a problem that could cause web clip icons to become generic after restarting
– Improves reliability of saving the password for a web proxy
– Exchange out-of-office message can now be edited separately for external replies
– Improves recovery of Exchange accounts from temporary connection problems
– Improves compatibility of VPN and web proxy solutions
– Allows use of physical keyboards to log into Safari web sheets, such as for joining a public Wi-Fi network
– Fixes an issue that caused Exchange meetings with long notes to be truncated
Accessibility fixes
– Fixes an issue where using the back button in Safari causes VoiceOver gestures to not respond
– Fixes an issue where VoiceOver focus becomes unreliable in draft Mail messages
– Fixes an issue where Braille Screen Input cannot be used to type text in forms on webpages
– Fixes an issue where toggling Quick Nav on a Braille Display announces that Quick Nav is off
– Fixes an issue keeping app icons from being moveable on home screen when VoiceOver is enabled
– Fixes an issue in Speak Screen where speech will not start again after pausing
Other improvements and bug fixes
– Introduces a redesigned Emoji keyboard with over 300 new characters
– iCloud Photo Library has been optimized to work with the new Photos app on OS X 10.10.3 and is now out of beta
– Improves the pronunciation of street names during turn-by-turn navigation in Maps
– Includes support for Baum VarioUltra 20 and VarioUltra 40 braille displays
– Improves the display of Spotlight results when Reduce Transparency is turned on
– Adds Italic and Underline format options for iPhone 6 Plus landscape keyboard
– Adds the ability to remove shipping and billing addresses used with Apple Pay
– Additional language and country support for Siri: English (India, New Zealand), Danish (Denmark), Dutch (Netherlands), Portuguese (Brazil), Russian (Russia), Swedish (Sweden), Thai (Thailand), Turkish (Turkey)
– Additional dictation languages: Arabic (Saudi Arabia, United Arab Emirates) and Hebrew (Israel)
– Improves stability for Phone, Mail, Bluetooth connectivity, Photos, Safari tabs, Settings, Weather and Genius Playlists in Music
– Addresses an issue where Slide to Unlock could fail to work on certain devices
– Addresses an issue that sometimes prevented swiping to answer a phone call on the Lock screen
– Addresses an issue that prevented opening links in Safari PDFs
– Fixes an issue where selecting Clear History and Website Data in Safari Settings did not clear all data
– Fixes an issue that prevented autocorrecting “FYI”
– Addresses an issue where contextual predictions did not appear in Quick Reply
– Fixes an issue where Maps did not enter night mode from hybrid mode
– Resolves an issue that prevented initiating FaceTime calls from a browser or 3rd-party app using FaceTime URLs
– Fixes an issue that sometimes prevented photos from properly exporting to Digital Camera Image folders on Windows
– Fixes an issue that sometimes prevented an iPad backup from completing with iTunes
– Fixes an issue that could cause Podcast downloads to stall when switching from Wi-Fi to cellular networks
– Fixes an issue where remaining time on timer would sometimes incorrectly display as 00:00 on Lock screen
– Fixes an issue that sometimes prevented adjusting call volume
– Fixes an issue that caused the status bar to sometimes appear when it shouldn’t
http://www.iphonehacks.com/2015/04/ios-8-3-release-notes-change-log.html
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