CIFormat static var such as RGBA16 give concurrency warnings:
Reference to static property 'RGBA16' is not concurrency-safe because it involves shared mutable state; this is an error in Swift 6
Should all these formats be static let to suppress the warnings (future errors)?
Should all these formats be
static letto suppress the warnings (future errors)?
Yes, assuming you were writing this code yourself.
As to what should happen with CIFormat specifically, that’s a bit tricky because it’s tied to how Swift imports C declarations and the source and binary compatibility constraints of that type. I expect that a lot of these problems will be resolved in the Apple platform SDKs that accompany Swift 6. However, it’s hard to say anything for sure because that’s The Future™ [1].
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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
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[1] And I can’t predict the future. See Quinn’s Top Ten DevForums Tips.
The static properties on CIFormat are lets now in iOS 18 / macOS 15. 👍