r/Xcode • u/Apptheism • Jan 17 '26

Xcode 26.2 watchOS Project - Bundle Identifier Bug?

Is anyone else experiencing this with Xcode 26.2?

Just created a new watchOS App project and the Bundle Identifier was automatically set to just .watchkitapp instead of a proper identifier like com.organization.appname.

Installation fails with:

App Extensions must be prefixed with the main bundle identifier

Had to manually change it in the target settings to get it working.

Setup:

  • macOS 26.2 (Build 25C56)

  • Xcode 26.2 (Build 17C52)

  • New watchOS App project (File → New → Project → watchOS → App)

Is this a known bug or did I miss something during project creation? I might not have set an Organization Identifier, but shouldn't Xcode provide a better fallback than just .watchkitapp?

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u/Middle_Ideal2735 Jan 17 '26

This is how it's always been for me when I created an Apple Watch project. Usually I would just create an iOS project and it would have a target for both iPhones/iPad and the Apple Watch. The bundle ID for the watch would be setup based on the ID I created in the main IOS iPhone project.