watchOS SDK Release Notes for watchOS 2

This is a preliminary document for an API or technology in development. Apple is supplying this information to help you plan for the adoption of the technologies and programming interfaces described herein for use on Apple-branded products. This information is subject to change, and software implemented according to this document should be tested with final operating system software and final documentation. Newer versions of this document may be provided with future betas of the API or technology.

Bug Reporting
Notes and Known Issues
watchOS SDK 2.0 provides support for developing watchOS apps. It is packaged with a complete set of Xcode tools, compilers, and frameworks for creating apps for watchOS. These tools include the Xcode IDE and the Instruments analysis tool, among many others.

This version of watchOS is intended for installation only on devices registered with the Apple Developer Program. Attempting to install this version of watchOS in an unauthorized manner could put your device in an unusable state.

Bug Reporting
For issues not mentioned in the Notes and Known Issues section, please file bugs through the Apple Developer website ( Additionally, you may discuss these issues and watchOS SDK 2.0 in the Apple Developer Forums:

Notes and Known Issues
Activation Lock
Activation Lock is enabled on your Apple Watch if you have Find My iPhone enabled on your iPhone.

Enable "Install All Apps" in -> General -> App Install for WatchConnectivity to work correctly during Build and Run cycles.

Keychain items created on an Apple Watch are not viewable on an iOS device.

Known Issues
If you do not see map tiles load on the Watch Simulator, launch the Maps app in the iOS simulator first. After that, map tiles will load.
The MKMapItem method openInMapsWithLaunchOptions: does not work.
WKInterfacePicker has a new method to remove focus.
The method focusForCrownInput has been renamed to focus.
Installing a WatchKit 1.0 app with an Xcode prior to 7.0 requires that "Automatic App Install" be enabled in the Watch app under General -> App Install.

Copyright © 2015 Apple Inc. All rights reserved. Terms of Use | Privacy Policy | Updated: 2015-09-09

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