Xcode 26 RC doesn't properly use build configurations

Developer Tools & Services Xcode
eaigner OP
Created Sep ’25
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We have several build configurations in our project, yet Xcode seems to ignore them when changing the run configuration in the scheme.

There are several OTHER_SWIFT_FLAGS set like this

but all code paths using conditionals like #if APPSTORE_BUILD etc. that worked previously with Xcode 16 just all default to the Debug (RETAIL_BUILD) configuration now.

Answered by eaigner in 858037022

Nevermind, the issue was caused by some other component in the build pipeline.

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eaigner OP
Sep ’25
Accepted Answer

Nevermind, the issue was caused by some other component in the build pipeline.

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Xcode 26 RC doesn't properly use build configurations
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