I've already posted this in a similar thread, but these are the things I'd like to see:
Notification Center
Lock screen widgets
3rd party devs allowed to create widgets
Gesture controlled (swipe to delete notifications)
Actionable notifications (reply to texts, etc) without leaving current app
Safari
Full screen mode on iPad
Extensions
Camera App
Photo rewind (like blackberry)
Photosphere feature (like android)
Selective focus
10 second video camera
Settings
Multi-windowed apps like samsung devices.*
Set default apps (calendar, SMS, browser, calculator, etc)
Ability to delete stock apps, download them from App Store if we want them back
User created gestures
Change system fonts, colors, theme, iMessage bubble colors
Guest Mode/multiple user login for iOS devices
Blackberry balance like work and home modes
Privacy Sheets to make permissions manageable | iMore
iOS 8 wants: Privacy Sheets to make permissions manageable | iMore
App Store
New App Store design. Easier to discover, and search for apps.
Remove useless "nearby" tab.*
New services tab to showcase spotify, Rdio (the like)
Spotlight+Siri
"Hello Siri" hot word from home screen*
Integrated (launch Siri from Spotlight search box)
Allow developers to build into Spotlight to search their apps
Allow Siri to control third party apps (like Rdio)
Music Tagging (Shazam, Soundhound)
Search by photo (tineye)
Have WebOS like ?Just Type? Functionality (Just Type: The Best Feature No One?s Stolen (Yet) | Pocketnow*)
Google Now like cards accessible from spotlight.*
Move spotlight back to the left of the first home screen.*
With Siri and Spotlight integrated serve the user google now style cards and information.*
PassBook
Support for credit/debt cards, transit passes, etc.
Support for NFC hardware/pay with iPhone option
Pay with Touch ID*
Automater for iOS
Create workflows
Same basic functions as the OS X version.
FaceTime
Group FaceTime
Screen sharing
integrated into iMessage like Google Hangouts
Photostream
Add method of approving photos/comments to photo stream
Backup ALL user photos like Google+'s auto backup
Photo stream as lock screen option*
Sharing Options
Allow devs to add their service to sharing menus when user grants them permission.
Users control which apps or services appear in the share menu.
iFiles
File system for iOS
Allow users to share, view, edit, create files on the device or iCloud.
Sync with iFiles on Mac (companion app)
Easy for developers to access, store, edit and create files on user?s behalf.
Easy for users to access and share files between apps
Maps
Buy TomTom
Street view
Allow users to control data layers
More data layers (transit, pollution, landforms, landmarks, etc)
Card-like interfaces for business (like new Google Maps)
Foursquare and Yelp integration for businesses
Apple Social Network
Anticipating iOS 7: Apple Gets Social
Web front (not iOS only)
Push notifications
Private messaging
Profile based network like Google+ or Facebook
Google+ like friends management
Pretty looking