Xcode 26.6 RC release at WWDC and MainActor bug

Does the Xcode 26.6 RC release fix the Swift compiler MainActor bug in Xcode 26.5?

Addendum: Does Xcode 27 developer beta with Swift 6.4 fix the MainActor bug in the Swift compiler?

Xcode 26.6 RC release at WWDC and MainActor bug
 
 
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