--- title: "SPI Joins Apple, and Swift Moves Toward Self-Hosting -- Fatbobman's Swift Weekly #142" url: https://daily.dev/posts/spi-joins-apple-and-swift-moves-toward-self-hosting----fatbobman-s-swift-weekly-142-17xuqmtgh source_url: https://fatbobman.com/en/weekly/issue-142 type: article source: "Fatbobman" author: "Yang Xu" published: 2026-06-29T11:01:34.196Z updated: 2026-06-30T08:00:30.856Z tags: ["swift", "webassembly", "compiler", "swiftui"] reading_time: 9 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # SPI Joins Apple, and Swift Moves Toward Self-Hosting -- Fatbobman's Swift Weekly #142 **[Fatbobman](https://daily.dev/sources/fatbobman)** · [@fatbobman](https://daily.dev/fatbobman) · 9 min read · 0 upvotes · 0 comments ## Summary Swift Package Index (SPI) has joined Apple, signaling a major step toward a trustworthy, official Swift package registry with improved discovery, signing, and distribution. Separately, the Swift compiler is moving toward self-hosting by dropping the requirement to build using only a C++ toolchain — core components like the Parser, AST, and Type Checker can now be written in Swift. The newsletter also highlights: a Swift-like environment running on an Apple II with a 1 MHz 6502 CPU, a WebAssembly-based OTA update system for native Swift iOS apps using WasmKit, deep dives into SwiftUI's attribute graph internals, SwiftUI toolbar API improvements from WWDC 26, a private UIKit _UIPortalView component for live mirroring effects, and an iOS Simulator camera extension tool for testing camera-dependent features. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Apple takes over Swift Package Index, vows to remove GitHub dependency](https://daily.dev/posts/apple-takes-over-swift-package-index-vows-to-remove-github-dependency-2puyqsnal) · DEVCLASS · 22 upvotes · 3 comments - [CocoaPods Is on Its Way Out, but SwiftPM’s Story Is Just Entering Chapter Two -- Fatbobman's Swift Weekly \#135](https://daily.dev/posts/cocoapods-is-on-its-way-out-but-swiftpm-s-story-is-just-entering-chapter-two----fatbobman-s-swift-w-emoo1g0un) · Fatbobman · 0 upvotes · 0 comments - [Is Anyone Else Excited by Swift’s Progress as a Language? -- Fatbobman's Swift Weekly \#141](https://daily.dev/posts/is-anyone-else-excited-by-swift-s-progress-as-a-language----fatbobman-s-swift-weekly-141-8fi091hrq) · Fatbobman · 0 upvotes · 0 comments - [When Inspiration Outruns the Results -- Fatbobman's Swift Weekly \#145](https://daily.dev/posts/when-inspiration-outruns-the-results----fatbobman-s-swift-weekly-145-poufi8clu) · Fatbobman · 0 upvotes · 0 comments --- Tags: [#swift](https://daily.dev/tags/swift), [#webassembly](https://daily.dev/tags/webassembly), [#compiler](https://daily.dev/tags/compiler), [#swiftui](https://daily.dev/tags/swiftui) [View this post on daily.dev](https://daily.dev/posts/spi-joins-apple-and-swift-moves-toward-self-hosting----fatbobman-s-swift-weekly-142-17xuqmtgh)