Here is an extensive list we've collected of what's new in iOS 7 beta 4 which Apple seeded to developers.
Lock Screen
● New chevron (>) arrow added to lock screen in front of "slide to unlock".
changing the lockscreen background now previews the lockscreen.
● Control Center pull up indicator is now just a line. Notification Center pull down indicator is also a line.
● Tapping on lock screen causes a sideward bounce -- prompts users to slide to unlock
● Changing the lockscreen wallpaper will preview the wallpaper with the lockscreen
Lock Screen
● New chevron (>) arrow added to lock screen in front of "slide to unlock".
changing the lockscreen background now previews the lockscreen.
● Control Center pull up indicator is now just a line. Notification Center pull down indicator is also a line.
● Tapping on lock screen causes a sideward bounce -- prompts users to slide to unlock
● Changing the lockscreen wallpaper will preview the wallpaper with the lockscreen
Camera
● Removed "HDR" overlay in the camera app
● Removed "HDR" overlay in the camera app
● Live Camera Filters for 4S
● Auto-focus square is now orange rather than green
● 'Summarise' option in Photos & Camera setting to make the views for photo collections more compact
● Picture previews aren't "negative" anymore
● Auto-focus square is now orange rather than green
● 'Summarise' option in Photos & Camera setting to make the views for photo collections more compact
● Picture previews aren't "negative" anymore
Phone
● Tweaked dialer call button
● Tweaked dialer call button
● Tweaked answer phone buttons
● You can now disable/enable contact photos in favorites
Music
● Shuffle artist songs
● Shuffle artist songs
● Playlist download all button is back
Spring Board
● Folders now have better/proper color to match the wallpaper.
Spring Board
● Folders now have better/proper color to match the wallpaper.
● Multitasking Previews are now live, not just a static image
Mail
● PDF files look different in mail app
● The gradient on the mail weather and safari icon's gradients are more subtle.
Messages
● You only see the first letter of a persons last name in the messaging app now.
Notification Center
● "Completed Uploads" in the settings for notification center
● PDF files look different in mail app
● The gradient on the mail weather and safari icon's gradients are more subtle.
Messages
● You only see the first letter of a persons last name in the messaging app now.
Notification Center
● "Completed Uploads" in the settings for notification center
● Tabs are now capitalized
● You can now swipe between panels in Notification Center
Game Center
● Game Center settings now accessible
Game Center
● Game Center settings now accessible
● You can forfeit/delete Game Center challenges within Game Center
Maps
● Frequent Locations can be used to improve Apple Maps, History of Frequent Locations is also shown differently
● Drive time now displayed under the blue car when selecting a location
General
● Dramatically improved response time.
● Animation times are much shorter and snappier.
● Spotlight tweaked, Cancel button in search fields
● Dramatically improved response time.
● Animation times are much shorter and snappier.
● Spotlight tweaked, Cancel button in search fields
● Accessibility improvements with bold text
● In a selectable list, the options are now centered
● Apps that use the camera now use the iOS 7 camera
● Caps lock icon and shift icon tweaked
● Siri Q&A Screen when pressing the "?" icon in Siri
● Back button during setup says "back" instead of previous screen
● New iPad "2X' icon when viewing iPhone apps on iPad screen
● Minor Safari UI Tweaks, website without a Favicon show a Safari logo
● New Airplay Icons
● Slight Newstand UI Tweaks
● You can now select a sound for AirDrop alerts
● In a selectable list, the options are now centered
● Apps that use the camera now use the iOS 7 camera
● Caps lock icon and shift icon tweaked
● Siri Q&A Screen when pressing the "?" icon in Siri
● Back button during setup says "back" instead of previous screen
● New iPad "2X' icon when viewing iPhone apps on iPad screen
● Minor Safari UI Tweaks, website without a Favicon show a Safari logo
● New Airplay Icons
● Slight Newstand UI Tweaks
● You can now select a sound for AirDrop alerts
● Compass calibration is now faster
● Screen brightness changes when closing passbook
● Few new icons in Settings.app
● Snooze during alarms says "Tap to Snooze" instead of just snooze
● Search in reminders app
● Screen brightness changes when closing passbook
● Few new icons in Settings.app
● Snooze during alarms says "Tap to Snooze" instead of just snooze
● Search in reminders app
● App Store opens in last section you were visiting instead of the default featured tab
● "Grabbers" have a new look (the tab that comes up for notification center when you're full screen/watching a video)
● Improved algorithm for detecting which font to display depending on wallpaper
● Second hand on clock icon is now active [Thanks @iGlassGuy]
● Numerous crashes fixed
● We have received word that some users are have difficulties controlling music playback with their headphones (headset remote controls no longer working). We believe this is simply a bug and will hopefully be fixed by the GM release.
Check back momentarily. We are continually adding to this list. Let us know if you find anything new in the comments.
● "Grabbers" have a new look (the tab that comes up for notification center when you're full screen/watching a video)
● Improved algorithm for detecting which font to display depending on wallpaper
● Second hand on clock icon is now active [Thanks @iGlassGuy]
● Numerous crashes fixed
● We have received word that some users are have difficulties controlling music playback with their headphones (headset remote controls no longer working). We believe this is simply a bug and will hopefully be fixed by the GM release.
Check back momentarily. We are continually adding to this list. Let us know if you find anything new in the comments.