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Apple Developer Docs

Fonts Symbols

Combine / Publishers / Publishers.Encode / upstream

upstream

Declaration

let upstream: Upstream

Open on developer.apple.com

CombineInstance Property

iOS 13.0+iPadOS 13.0+Mac Catalyst 13.0+macOS 10.15+tvOS 13.0+visionOS 1.0+watchOS 6.0+

Built on 2026-05-07