Xcode 15.0: "expand macro" stays greyed out
“Expand Macro” stays gray even though I’ve seen the @Observable macro expanding earlier.
However when I manually trigger build error it does expand the location of the error. In this case I target macOS 13.5 that doesn't support ObservationRegistrar.
I tried to restart Xcode, try different macros, different projects and types of projects.
Solution
I believe you are missing import Observation at the top of your file
I ran into the same issue as it is not so straight forward that all the @Observable macros "work" in code, they just cant be expanded without importing first.
Seems like the compiler does not require the import, just Xcode.
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