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So as a general rule, we need to conform View Models to MainActor for the sake of UI updates happening on the MainActor, but that causes contention on the MainActor when testing.

I wonder if there’s a way to default isolate, maybe via a parameter, to the MainActor, but for the sake of testing to allow it to be effectively nonisolated? #swiftlang #iosdev

Work with SwiftPM without #Xcode and run on Mac and Linux with https://notepadexe.com #swift #swiftlang #macdev #iosdev

https://youtu.be/7eGPTWPFEX4

Swift 6.3 is out! The March 2026 edition covers the integration of Swift Build with SPM for a consistent cross-platform build experience. Plus community stories, systems programming talks, and new Evolution proposals.

🔗: https://www.swift.org/blog/whats-new-in-swift-march-2026/ by Owen Voorhees & Dave Lester (@davelester)

#Swift #SwiftLang #iOSDev

Swift question: there is a library that has some functionality, but it's implemented as an actor. I'm working a a completely synchronous program (a CLI app that builds a static website), but I want to use a function from this actor from normal non-concurrent code.

In the example code for using the library it awaits a function call. Is it possible to call this using some kind of concurrent-in-non-concurrent wrapper?

The library in question is MarkdownSyntax, and I suppose it's implemented as an actor for performance reasons in a UI context (do stuff in the background I presume?).

#swiftlang #askfedi

Really quickly this morning, I pulled out some swift async helpers I've been using in some personal apps into a separate repo, mostly to make it easier to keep them all in sync. I published it at https://forge.younata.com/you/AsyncExtensions

Probably the most interesting thing there is AsyncMultiChannel. Which is like https://github.com/apple/swift-async-algorithms/blob/main/Sources/AsyncAlgorithms/AsyncAlgorithms.docc/Guides/Channel.md, but it supports multiple subscribers. I should rename it, because it's intended to be used in more of a pub-sub architecture than as 1-1 communication.

#SwiftLang #SwiftConcurrency