Swift Configuration 1.0 released
Swift Configuration is a new library for Swift. It handles settings in a unified way. You read values the same way no matter where they come from.
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255 posts
Embedded Swift Improvements Coming in Swift 6.3
Swift 6.3 advances Embedded Swift, a subset for microcontrollers, with key improvements in libraries, diagnostics, C interoperability, debugging, and linking.
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Instrumenting Vapor 4 with Swift OTel
The tutorial guides developers through instrumenting a Vapor 4 application with OpenTelemetry for metrics collection, visualised in Grafana, emphasising observability’s role in understanding system behaviour without code inspection.
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Introducing Temporal Swift SDK: Building durable and reliable workflows
The Temporal Swift SDK is now open source, bringing Temporal's durable workflow orchestration to Swift developers for reliable distributed systems.
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Announcing the Swift SDK for Android
The Android workgroup has now released preview toolchains that let you build Swift code for Android phones and tablets.
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Introducing Swift Profile Recorder
Apple has open-sourced Swift Profile Recorder, an in-process sampling profiler for Swift services, enabling easy performance analysis without external tools or special privileges.
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The Growth of the Swift Server Ecosystem
This post reflects on a decade of Swift’s evolution as a robust server-side language since its open-sourcing and Linux runtime release. Highlighting success stories...
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Meet Vapor for VS Code
The Vapor for VS Code extension, developed over six months to enhance Vapor application development, supporting macOS, Linux, and limited Leaf features in browser-based VS Code.
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Swift 6.2 Released
Swift 6.2 focuses on developer productivity with approachable concurrency features like single-threaded defaults on the main actor, intuitive async functions that run in the caller’s context, and the @concurrent attribute for explicit parallelism.
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Memory Integrity Enforcement
Apple introduced Memory Integrity Enforcement (MIE) as a new memory safety feature for iPhone 17 and iPhone Air devices. MIE combines Apple silicon hardware with operating system security to block memory corruption attacks.
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How we approach releases at Vapor
The Vapor framework’s release process, outlined by Tim on August 14, 2025, treats each pull request (PR) as a potential release, streamlining development for its 30+ packages.
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@isolated(any)
The Swift 6.0 release introduced the @isolated(any) attribute to address the challenge of tracking function isolation in async contexts, enabling inspection of a function’s isolation (e.g., MainActor or nonisolated) via a special isolation property of type (any Actor)?.
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Uncertain<T>
The provided text critiques the oversimplification in programming that ignores real-world uncertainties, particularly in handling noisy data like GPS coordinates, proposing a probabilistic approach using the Uncertain<T> type inspired by a 2014 research paper.
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Redesigned Swift.org is now live
The Swift.org website has been redesigned by the website workgroup to be more approachable for newcomers, highlight Swift’s technical strengths, and emphasise its multi-platform support.
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Swift at Apple: Migrating the Password Monitoring service from Java
The Password Monitoring service for Apple’s Passwords app, introduced in 2024, was rewritten from Java to Swift, achieving a 40% performance increase, better scalability, and lower resource usage.
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ICYMI: Memory Safety, Ecosystem Talks, and Java Interoperability at FOSDEM 2025
The Swift community showcased a robust presence at FOSDEM 2025, Europe's largest open-source conference in Brussels, with talks emphasising memory safety, a diverse ecosystem for web services and embedded projects, and Java interoperability.
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Swift 6.1 Released
Swift 6.1 introduces enhancements to improve productivity and data-race safety, extending the nonisolated keyword to types and extensions for better concurrency control and improving task group type inference.
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Introducing swiftly 1.0
Apple has announced the stable 1.0 release of swiftly, a Swift version manager now officially part of the Swift toolchain, hosted under the GitHub swiftlang organisation, supporting macOS and Linux distributions like Ubuntu and Fedora.
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The new Vapor Toolbox
The Vapor Toolbox has been rewritten using Swift 6, replacing deprecated subcommands with a focus on the new command for creating Vapor projects from templates.
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Model Context Protocol (MCP)
The Model Context Protocol (MCP) is an emerging open-source standard from Anthropic, designed to standardise AI integration with external tools, data sources, and services, addressing the M × N problem of custom integrations by transforming it into an M + N solution, similar to the Language Server Protocol (LSP).
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How Swift's server support powers Things Cloud
The Things Cloud service, powering the Things task manager app, has transitioned to a Swift-based architecture, replacing a legacy Python 2 and Google App Engine system that suffered from slow response times and high memory usage.
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Ollama
Apple introduced Apple Intelligence at WWDC 2024, but its delayed rollout has left its, AI for the rest of us, promise unfulfilled, while Ollama offers a robust solution for running large language models (LLMs) locally on Macs, likened to Docker for LLMs.
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Introducing gRPC Swift 2
The Swift Server Workgroup announced gRPC Swift 2, a major update enhancing the gRPC framework with modern Swift concurrency features like async/await for a more intuitive developer experience.
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Updating the Visual Studio Code extension for Swift
The Swift team has officially released a new, fully supported Swift extension for Visual Studio Code, now available on the extension marketplace.
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The Next Chapter in Swift Build Technologies
Apple has open-sourced Swift Build, a powerful build engine used by Xcode, now available for Linux and Windows, to provide a consistent and efficient build experience across Swift’s growing ecosystem.
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