The update, which became available for download Monday, adds support for Apple Pay, brings back the camera roll and launches the iCloud photo library.
Some retailers have shied away from Apple's mobile payments service, and the equipment needed by supported industry players won't pop up overnight.
Have questions about Apple Pay? We've got answers.
CNET TV's Brian Tong discusses the latest in Apple news, rumors, tips, and tricks. This week, the iPad gets more television than you can shake a stick at, iPhone 4 rumors heat up with reports of Apple testing near field communications, and a quick tip for reading PDFs in iOS 4.
New iPads and Macs, as well as an official launch of the OS X Yosemite computer operating system, should show up at Apple's event this week.
Apple's been gaining more partners since it announced the service last month and it's ready to take it live.
The luxury phone and car manufacturers team up for an Android smartphone with a 24-hour concierge service.
The release of WatchKit will allow developers to start creating apps for the Apple Watch, which is expected early next year.
Apple unveils new iPads on Thursday that for the first time include the iPhone's Touch ID fingerprint sensor. The company says it was "the most-requested feature" in its tablets.
Video claims to show Apple's expected 4.7-inch iPhone 6 with a next-gen A8 processor and near-field communication.