swift

95b18d34 - Downgrade sendability errors to warnings when they involve non-Sendable metatypes

Downgrade sendability errors to warnings when they involve non-Sendable metatypes The introduction of non-Sendable metatypes in Swift 6.2 (via SE-0470) will break some existing Swift 6 code. Downgrade concurrency errors involving non-Sendable metatypes to warnings until some future language mode to ease the transition.