For those keeping track of iOS 7’s progress before it’s official launch, we’ve got some exciting news for you. Apple has recently launched iOS 7 beta 4, which brings a lot of new improvements, features and changes. Before we go into any detail it’s safe to assume that there will be a few more betas released before we see the Gold Master or official launch of iOS 7 this fall. Most notably in this fourth beta is the changed lockscreen, new telephone keypad graphics, cancel button for Siri and new graphics in Safari. Here’s the full list of changes and updates in iOS 7 beta 4:

• Now the word “slide to unlock” is preceded by an arrow to indicate the direction of release.
• New graphics for the telephone keypad.
• New graphical buttons for answering calls.
• Added the Cancel button when you invoke the Spotlight.
• Back to written HDR in the camera.
• New graphics in Safari.
• Changed the graphic filters.
• Adding the search bar in the Reminder.
• Improved buttons “Back” in the Setup.
• New AirPlay icons.
• Available again, shuffle all the songs.
• Ability to choose the ringtone for alerts Airdrop.
• New ‘Completed Uploads’ option in Notification Center.
• You can now swipe between Today-All-Missed views in Notification Center.
• In Messages, it now only shows the first letter of the last name of the person you’re chatting with.
• New Q&A section in Siri’s info sheet.
• New iPad resolution toggle when running iPhone apps.
• Minor changes to Newsstand UI.
• Minor UI tweaks to system keyboard.
• Redesigned Bookmarks, Reading List and Shared Links icons in Safari app.
• New ‘Play Explicit Tracks’ option in iTunes Radio.
• New ‘Siri has a new voice’ notification.
• You can now choose a Sound and Vibration Pattern for AirDrop alerts.

Like always, we’ll keep you updated as Apple releases more betas for iOS 7.