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Older posts

Dec 17, 2024
2024 Year-in-Review
Point-Free year in review: 46 episodes, 292k unique visitors, 4 new open source projects, and a whole bunch more!
Dec 2, 2024
Simple state sharing and persistence in Swift
We are excited to announce a brand new open-source library: Sharing. Instantly share state among your app’s features and external persistence layers, including user defaults, the file system, and more.
Dec 1, 2024
Parsing and the Advent of Code
Advent of Code is here! Each day’s challenge starts with parsing input data, a crucial step before tackling the real problem. With our Swift Parsing library, you can effortlessly transform the nebulous text into first-class Swift data types, allowing you to focus on solving the real problem at hand!
Sep 12, 2024
Point-Free is Xcode 16 ready
To celebrate the official release of Xcode 16 and Swift 6.0, we are happy to announce that every single one of our libraries has been updated, and we didn’t drop support for any older Swift versions or Apple platforms!
Aug 28, 2024
Cross-Platform Swift: Building a Swift app for the browser
It has never been more possible to run Swift on non-Apple platforms, such as Windows, Linux and even the browser! Join us for a quick overview of how to get a simple, pure-Swift app running in WebAssembly.
Aug 15, 2024
UIKit and the Composable Architecture
Today we are release version 1.13 of the Composable Architecture that brings a new suite of UIKit tools to the library.
Aug 5, 2024
Swift Navigation: Powerful navigation tools for all Swift platforms
We are excited to announce a brand new open-source library from Point-Free: Swift Navigation. It contains a suite of tools that form the foundation for building powerful state management and navigation APIs for Apple platforms, such as SwiftUI, UIKit, and AppKit, as well as for non-Apple platforms, such as Windows, Linux, Wasm, and more.
Jul 24, 2024
Swift Testing Bonanza
We are releasing beta support for Swift’s new native Testing framework in all of our libraries, including the Composable Architecture, SnapshotTesting, Dependencies, and more!
Jul 23, 2024
Unobtrusive and testable issue reporting
We are releasing a brand new library today: Issue Reporting. It enables you to report issues in your application and library code as Xcode runtime warnings, breakpoints, assertions, and do so in a testable manner.
Jun 8, 2024
Swift Testing support for SnapshotTesting
Today we are releasing big updates to both our popular SnapshotTesting library and MacroTesting library, bringing beta support to Swift’s new native testing framework.
Jun 18, 2024
A preview of our upcoming UIKitNavigation library
We are excited to announce a beta preview of UIKitNavigation: a toolkit for building modern UIKit apps, including powerful state management tools and tools to drive navigation in UIKit from state.
Jun 4, 2024
Composable Architecture Frequently Asked Questions
A collection of some of the most common questions and comments people have concerning the library.
May 27, 2024
This is what peak UIKit looks like
If you think you know what modern UIKit looks like, think again. We show how Swift’s new observation tools completely revolutionize the way one interacts with UIKit, including 2-way bindings, navigation, and more!
May 24, 2024
Sharing shared state with everyone!
We are making our 4-part series “Shared State in Practice” free for everyone to watch! Watch us refactor 2 different, real world code bases to take advantage of these powerful tools.
May 9, 2024
Building an app in the Composable Architecture, from scratch
We have released a new tutorial for the Composable Architecture, building a complex application from scratch with a focus on domain modeling, navigation, dependencies and testing.
May 9, 2024
We’re live!
Our live stream will be starting soon. Tune in now to watch us discuss the recently released observation tools in the Composable Architecture, and we will announce some brand new features that have never been discussed before. 🫢
May 6, 2024
4 years of the Composable Architecture
The Composable Architecture turns 4 today! 🎉
Apr 29, 2024
Shared state in the Composable Architecture
We are releasing powerful state sharing tools in the Composable Architecture that can keep state synchronized between many features, and can persist state to external systems such as user defaults and the file system.
Feb 26, 2024
Sharing state in the Composable Architecture
Today we are announcing a brand new beta for the Composable Architecture that brings first class tools for sharing state throughout an application, and for persisting state across application launches.
Jan 29, 2024
Point-Free turns 6! 🥳
We launched Point-Free 6 years ago today! To celebrate we are announcing a live stream taking place next week, February 5th at 9am PST / 5pm GMT.
Jan 29, 2024
Observation comes to the Composable Architecture
Swift 5.9’s observation tools have officially been integrated into the Composable Architecture, simplifying nearly every facet of the library. Join us for an overview, as well as a special announcement!
Jan 9, 2024
Perception: A back-port of @Observable
We have back-ported Swift 5.9’s observation tools to work on Apple platforms going back almost 4 years ago! Start using it today even if you cannot target iOS 17.
Dec 19, 2023
2023 Year-in-review
Point-Free year in review: 45 episodes, 200k unique visitors, 4 new open source projects, and a whole bunch more!
Nov 27, 2023
Observable Architecture Beta!
Today the Composable Architecture crossed 10,000 stars on GitHub, and we are announcing a beta preview for the biggest change we have made to the Composable Architecture in its history. We are integrating Swift’s Observation framework into the library, and it revolutionizes nearly every aspect of the library.
Nov 17, 2023
Macro Bonanza
This week was dedicated to the Macro Bonanza, where we showed how Swift’s macro system allowed us to greatly simplify 4 of our popular libraries, as well as improve their ergonomics and increase their power. Join us for an overview!
Nov 16, 2023
Macro Bonanza: Dependencies
In part 4, and the final part, of our Macro Bonanza we demonstrate how macros allow us to better design dependencies when using our popular Dependencies library. Large amounts of boilerplate code can be automatically generated for us, and the ergonomics of our dependencies can be greatly improved.
Nov 15, 2023
Macro Bonanza: SwiftUI Navigation
In part 3 of our Macro Bonanza we show how the improvements to case paths greatly simplify our SwiftUINavigation library. It allows us greatly simplify how one drives navigation from optionals and enums in SwiftUI.
Nov 14, 2023
Macro Bonanza: Composable Architecture
In part 2 of our Macro Bonanza we show what macros bring to our popular library, the Composable Architecture. It can make our feature code simpler, more succinct and safer!
Nov 13, 2023
Macro Bonanza: Case Paths
Macros are finally available in Swift, and to celebrate we are releasing updates to 4 of our popular libraries to greatly simplify and enhance their abilities, starting with CasePaths!
Oct 17, 2023
Being a good citizen in the land of SwiftSyntax
How can you be a good citizen in the new world of SwiftSyntax proliferation? Follow our advice to keep the greater Swift ecosystem healthy and thriving.
Oct 3, 2023
MacroTesting 0.2.0: Test more with less
A couple weeks after its initial release, we have an update to MacroTesting that makes it even easier to fully assert on your macros, including holistic testing of diagnostics, fix-its, and expanded source code.
Sep 18, 2023
A new tool for testing macros in Swift
With the release of Swift 5.9 and its new macros feature, we are excited to announce a brand new open source library: Macro Testing. It includes powerful tools for writing tests for your macros.
Sep 13, 2023
Inline Snapshot Testing
We are releasing a major update to our popular SnapshotTesting library: inline snapshot testing! This allows your text-based snapshots to live right in the test source code, rather than in an external file.
Jul 31, 2023
Composable Architecture 1.0
1.0 of the Composable Architecture is finally here! 🎉
Jul 28, 2023
Streamlined team invites
We have streamlined team invites by making it as easy as sharing a link with your colleagues.
Jul 19, 2023
Reliably testing async code in Swift
Swift makes it easy to write powerful, succinct async code, but how easy is it to test that code? We show how seemingly reasonable async code can be nearly impossible to test, and then how what can be done about it.
Jul 18, 2023
Announcing Concurrency Extras: Useful, testable Swift concurrency.
Today we are excited to announce a brand new open source library: Concurrency Extras. It includes tools to help make your concurrent Swift code more versatile and more testable.
Jun 1, 2023
WWDC 2023 Sale!
The year’s biggest Apple event is here, and to celebrate we are offering a 25% discount off the first year for first-time subscribers.
May 30, 2023
Navigation tools come to the Composable Architecture
We are finally releasing first-class navigation tools for the Composable Architecture after 16 episodes and 3 months of beta testing.
Apr 17, 2023
Composable navigation beta, part 2
As we begin to explore navigation stacks in the Composable Architecture we are releasing the second beta of our navigation tools.
Feb 27, 2023
Composable navigation beta
Alongside our series on navigation in the Composable Architecture we are kicking off a beta so that you can start testing these tools today.
Feb 13, 2023
Composable Architecture 1.0 Preview
We are very excited to officially share a preview of what 1.0 will bring to the Composable Architecture.
Feb 6, 2023
Watch our first ever livestream
Last week we hosted our first ever livestream. In an hour and a half we discussed some of the tools that our Dependencies library comes with that we didn’t have time to discuss in episodes, and we live refactored our open-source Standups app to use the new iOS 16 NavigationStack. We also answered 18 viewer questions, and just have 94 more left in the queue. 😅
Jan 29, 2023
Point-Free turns 5
We launched Point-Free 5 years ago today! There’s still so much more we want to do, but we’ll start with two things that many people have asked for: livestreams and a community Slack!
Jan 27, 2023
Modern SwiftUI
A call to action: how would you rebuild Apple’s “Scrumdinger” application? We’ve shown our take on modern SwiftUI, but we would love to see how you tackle the same problems. Don’t like to use a observable objects for each screen? Prefer to use @StateObject instead of @ObservedObject? Want to use an architectural pattern such as VIPER? Have a different way of handling dependencies? Please show us!
Jan 27, 2023
Modern SwiftUI: Testing
We show how the investments we made in the first 4 parts of this series of posts pays off when it comes to testing. Each decision helps make it possible to write incredibly nuanced tests that exercise many different user flows in the application.
Jan 26, 2023
Modern SwiftUI: Dependencies
Learn about what dependencies are and why they wreak so much havoc in a code base, and then see what can be done to take back control over dependencies rather than let them control you.
Jan 25, 2023
Modern SwiftUI: State-driven navigation
Learn how to best leverage optionals and enums when modeling state-driven navigation in SwiftUI.
Jan 24, 2023
Modern SwiftUI: Identified arrays
Learn how to make lists of data in your SwiftUI applications safer and more performant by scrapping plain arrays and embracing “identified arrays”.
Jan 23, 2023
Modern SwiftUI: Parent-child communication
We are celebrating the conclusion of our 7-part series on Modern SwiftUI by releasing a blog post every day this week, detailing an area of SwiftUI development that can be modernized. We begin by exploring ways to facilitate parent-child communication in SwiftUI in a safe and ergonomic manner.
Jan 17, 2023
Modern SwiftUI
What does it take to develop a SwiftUI application using modern, best practices? We’ll show you by taking a look a the Standups app we have been building in episodes and recently open sourced.
Jan 9, 2023
A new library to control dependencies and avoid letting them control you
We are open sourcing a new dependency management system for Swift. Take control of your dependencies, don’t let them control you.
Dec 19, 2022
2022 Year-in-review
Point-Free year in review: 45 episodes, 150K visitors, dozens of open source releases, and more!
Dec 8, 2022
swift-parsing: Swift 5.7 improvements
In time for Advent of Code, a new release of swift-parsing brings several quality-of-life improvements to Swift 5.7 users.
Nov 21, 2022
Better SwiftUI navigation APIs
Navigation in SwiftUI can be complex, but it doesn’t have to be that way. We are releasing a new version of our SwiftUI Navigation library that makes it easier to use NavigationStack, alerts, confirmation dialogs, and even fixes a few bugs in SwiftUI.
Oct 31, 2022
Non-exhaustive testing in the Composable Architecture
Exhaustive testing is one of the most powerful features of the Composable Architecture, but it can also be cumbersome for large, highly composed features. Join us for an overview of the “why” and “how” of exhaustive testing, as well as when it breaks down, and how non-exhaustive testing can help.
Oct 24, 2022
Open Sourcing swift-clocks
Today we are open sourcing swift-clocks, a collection of tools that make working with Swift concurrency more testable and more versatile.
Oct 10, 2022
Announcing the Reducer Protocol
Today we are releasing the biggest update to the Composable Architecture ever, completely reimagining how features are built with the library.
Sep 8, 2022
Improving Composable Architecture performance
The latest release of the Composable Architecture brings a number of performance improvements to its tools, and best of all, most of the changes came from collaboration with people in the TCA community! 🤗
Aug 8, 2022
Async Composable Architecture
Today we are releasing the biggest update to the Composable Architecture since it’s first release over 2 years ago. The library has all new concurrency tools allowing you to construct complex effects using structured concurrency, tie effect lifetimes to view lifetimes, and we accomplish all of this while keeping your code 100% testable. We think it might even be the best way to test concurrent code in SwiftUI applications. 😇
Jul 12, 2022
Reverse Engineering SwiftUI’s NavigationPath Codability
Learn how to use Swift 5.7’s new existential type super powers to encode and decode
type-erased values.
Jun 29, 2022
Introducing XCTUnimplemented
We’ve added a new tool to our XCTest Dynamic Overlay library, which makes it easier to construct stronger dependencies for tests.
May 2, 2022
Open Sourcing URLRouting and VaporRouting
Introducing new routing libraries that make client-side and server-side routing easy with more type safety and less fuss.
Apr 11, 2022
Parser-printer unification
A new release of swift-parsing brings printing capabilities to your parsers for transforming structured data back into unstructured data.
Feb 14, 2022
Parser Errors
A new release of swift-parsing that brings delightful and informative error messaging to parser failures.
Feb 9, 2022
Backtracking Parsers
Today we are releasing 0.6.0 of our swift-parsing library that changes its backtracking behavior.
Jan 24, 2022
Introducing Parser Builders
Today we are releasing 0.5.0 of our swift-parsing library, which leverages result builders for creating complex parsers with a minimal amount of syntactic noise. Learn how in this week’s blog post, and give the library a spin today!
Jan 3, 2022
Unobtrusive runtime warnings for libraries
Runtime warnings in libraries are a great way to notify your users that something unexpected has happened, or that an API is being used in an incorrect manner. In this post we give an overview of some techniques that can be employed easily today, as well as discuss a technique for surfacing runtime warnings that is both very visible and unobtrusive.
Dec 22, 2021
2021 Year-in-review
Point-Free year in review: 42 episodes, 72k visitors, 5 new open source projects, and more!
Nov 16, 2021
Open Sourcing SwiftUI Navigation
Today we are open sourcing SwiftUI Navigation, a collection of tools for making SwiftUI navigation simpler, more ergonomic and more precise.
Oct 26, 2021
Give the Gift of Point-Free
Today we are excited to announce that you can now gift a Point-Free subscription to your friends, colleagues and loved ones.
Sep 15, 2021
Point Freebies: Swift Concurrency and More
We’re celebrating the release of Xcode 13 by making all of our WWDC 2021 videos free! Explore SwiftUI’s new refreshable and FocusState APIs, both in the context of vanilla SwiftUI and the Composable Architecture, and learn how to build a map-powered application from scratch using the new searchable API.
Sep 6, 2021
The Composable Architecture ❤️ SwiftUI Bindings
Today we are improving the Composable Architecture’s first-party support for SwiftUI bindings with a safer, even conciser syntax.
Aug 23, 2021
Open Sourcing: Custom Dump
Today we are open sourcing Custom Dump, a collection of tools for debugging, diffing, and testing your application’s data structures.
Jul 14, 2021
Better Performance Bonanza
The past 3 weeks we’ve shipped updates to 3 of our libraries, focused on improving the performance of your Composable Architecture applications, and more!
Jul 12, 2021
Open Sourcing Identified Collections
Today we are open sourcing Identified Collections, a library of data structures for working with collections of identifiable elements in a performant way.
Jun 14, 2021
Announcing SwitchStore for the Composable Architecture
We are adding new tools for handling enum state in the Composable Architecture, with a focus on safety and performance.
May 12, 2021
A Tour of isowords
This past month we released four completely free videos dedicated to diving into the real-world Swift code base of an iOS game we recently launched and open sourced: isowords.
Mar 22, 2021
Better Testing Bonanza
We’re open sourcing a library that makes it easier to be more exhaustive in writing tests.
Mar 17, 2021
Open Sourcing isowords
We’re open sourcing the entire code base to our newly released iOS word game, isowords!
Mar 17, 2021
Announcing: isowords
We are excited to release isowords to the App Store, a new word search game for your phone. Download today!
Mar 8, 2021
Composable Architecture Test Store Improvements
Composable Architecture 0.16.0 comes with significant improvements to its testing capabilities for tracking down effect-related failures.
Feb 1, 2021
Composable Forms: Say “Bye” to Boilerplate!
Today we are releasing first-party support for concisely handling form data in the Composable Architecture.
Dec 23, 2020
2020 Year-in-review
The Composable Architecture, dependency management, parsers, Combine schedulers and more! Join us for a review of everything we accomplished in 2020!
Dec 21, 2020
Open Sourcing Parsing
Today we are open sourcing Parsing, a library for turning nebulous data into well-structured data, with a focus on composition, performance, and generality.
Jun 30, 2020
The Composable Architecture and SwiftUI Alerts
Today we are releasing a new version of the Composable Architecture with helpers that make working with SwiftUI alerts and action sheets a breeze.
Jun 22, 2020
Core Motion support in the Composable Architecture
We are releasing our second mini-library for the Composable Architecture, which makes it easy to use Core Motion.
Jun 15, 2020
Open Sourcing CombineSchedulers
Today we are open-sourcing CombineSchedulers, a library that introduces a few schedulers that makes working with Combine more testable and more versatile.
May 27, 2020
Instrumenting features built in the Composable Architecture
Today we are releasing first-party support for instrumenting features built in the Composable Architecture.
May 20, 2020
Core Location support in the Composable Architecture
We are releasing a mini-library that makes it easy to use Core Location inside the Composable Architecture.
May 12, 2020
Regional Discounts
Regional discounts takes 50% off a monthly or yearly personal subscription to anyone whose credit card is issued from a particular list of countries.
May 4, 2020
Composable Architecture, the library
Today we are releasing the Composable Architecture as an open-source library. It is a way to build applications in a consistent and understandable way, with composition, testing and ergonomics in mind.
Mar 11, 2020
Announcing Episode Collections
After over two years and nearly 100 episodes we are finally launching episode collections on Point-Free!
Feb 21, 2020
Share Point-Free with friends and save!
Today we’re excited to announce support for referral bonuses! When friends and colleagues of yours subscribe to Point-Free with your referral link, both of you will get one month free.
Feb 4, 2020
Open Sourcing Case Paths
Today we are open sourcing CasePaths, a library that introduces the power and ergonomics of
key paths to enums!
Dec 30, 2019
2019 Year-in-review
Random number generators, parsers, SwiftUI, composable architecture and more! Join us for a review of everything we accomplished in 2019!
Dec 23, 2019
Snapshot Testing SwiftUI
Snapshot testing gives us broad test coverage on our SwiftUI views with very little up front work.
Dec 18, 2019
Free Video: Testing SwiftUI
A free video exploring how to test SwiftUI.
Nov 20, 2019
A Crash Course in Combine
Two free videos exploring Apple’s new Combine framework, its core components, and how to integrate it in your code.
Nov 7, 2019
Higher-Order Snapshot Testing
How to enrich snapshot testing strategies with additional behavior using higher-order constructions.
Jul 30, 2019
SwiftUI and State Management Corrections
Xcode 11 beta 5 has brought lots of changes to SwiftUI, and we’d like to take a moment to provide corrections to our episodes based on these changes.
Apr 29, 2019
Open Sourcing Enum Properties
We wanted to make Swift enum data access as ergonomic as struct data access, so today we are open sourcing a code generation tool to do just that!
Mar 18, 2019
Open Sourcing Gen
Today we are open sourcing Gen: a lightweight wrapper around Swift’s randomness APIs that makes randomness more composable, transformable and controllable!
Jan 8, 2019
Announcing swift-html 0.2.0
Announcing swift-html 0.2.0: support for CocoaPods, Carthage, SnapshotTesting, and more!
Dec 19, 2018
2018 Year-in-Review
41 episodes, 19 hours of video, 25 blog posts, 8 open source libraries, 3.8k stars, 36k visitors, and we’re just getting started?
Dec 3, 2018
SnapshotTesting 1.0: Delightful Swift snapshot testing
Today we are open sourcing SnapshotTesting 1.0: a modern, composable snapshot testing library built entirely in Swift!
Oct 29, 2018
Some news about contramap
We’ve seen that contramap is a powerful operation, but the name isn’t fantastic. We propose a much more intuitive name for this operation, and in doing so make our code much easier to read.
Oct 9, 2018
How to Control the World
APIs that interact with the outside world are unpredictable and make it difficult to test and simulate code paths in our apps. Existing solutions to this problem are verbose and complicated, so let’s explore a simpler solution by embracing singletons and global mutation, and rejecting protocol-oriented programming and dependency injection.
Oct 8, 2018
Watch episodes in your favorite podcast app!
Follow along with the newest Point-Free episodes using your favorite podcast app. We now support podcast-friendly RSS feeds for viewing all of our videos.
Sep 20, 2018
Random Zalgo Generator
Let’s create a random Zalgo text generator using the simple Gen type we defined in this week’s episode!
Sep 13, 2018
Type-safe HTML with Kitura
Today we’re releasing a Kitura plug-in for rendering type-safe HTML. It provides a Swift compile-time API to HTML that prevents many of the runtime errors and vulnerabilities of traditional templated HTML rendering.
Sep 13, 2018
Type-safe HTML with Vapor
Today we’re releasing a Vapor plug-in for rendering type-safe HTML. It provides a Swift compile-time API to HTML that prevents many of the runtime errors and vulnerabilities of traditional templated HTML rendering.
Sep 12, 2018
Open sourcing swift-html: A Type-Safe Alternative to Templating Languages in Swift
Today we are open sourcing a new library for building HTML documents in Swift. It’s extensible, transformable, type-safe, and provides many benefits over templating languages.
Aug 17, 2018
Overture 0.3.0: Now with Zip
Today we are releasing Overture 0.3.0 with a bunch of useful zip functions.
Aug 17, 2018
Open Sourcing Validated
Today we are open sourcing Validated, a tiny functional Swift library for handling multiple errors: functionality that you don’t get from throwing functions and the Result type.
Aug 16, 2018
Solutions to Exercises: Zip Part 3
Today we solve the exercises to the third and final part of our introductory series on zip.
Aug 15, 2018
Solutions to Exercises: Zip Part 2
Today we solve the exercises to the second part of our introductory series on zip.
Aug 14, 2018
Solutions to Exercises: Zip Part 1
Today we solve the exercises to the first part of our introductory series on zip.
Aug 6, 2018
Announcing Student Discounts
Get 50% off your Point-Free subscription with proof of enrollment at a university or coding school.
Jul 30, 2018
Celebrating 6 Months
This week marks 6 months since our launch, and we’re making one of our most popular episodes free to the public!
Jul 2, 2018
Conditional Coding
What happens when we combine Swift’s conditional conformance with codability?
Jun 25, 2018
Open Sourcing NonEmpty
Today we are open sourcing NonEmpty, a Swift library for modeling non-empty collection types. This small library can help make your code safer and more expressive with very little work.
Jun 18, 2018
Tagged Seconds and Milliseconds
Let’s create a type-safe interface for dealing with seconds and milliseconds in our programs. We’ll use the Tagged type, which allows us to construct all new types in a lightweight way.
May 30, 2018
Styling with Functions: Free for Everyone!
We are making one of our early episodes, “UIKit Styling with Functions”, free to everyone today! It’s a seminal episode that sets the foundation for some later work in the Point-Free series.
May 15, 2018
Overture: Now with Functional Setters
Announcing Overture 0.2.0! This release is all about setters: functions that allow us to build complex transformations out of smaller units.
May 7, 2018
Solutions to Exercises: Contravariance
This week we solve the exercises from our episode on contravariance, because there were a lot of them!
Apr 23, 2018
Case Study: Algebraic Data Types
Let’s look at a real world use for algebraic data types. We will refactor a data type that is used in the code on this very site so that the invalid states are unrepresentable by the compiler.
Apr 23, 2018
Announcing Point-Free Pointers!
Today we are excited to announcement launch of Point-Free Pointers, a blog to supplement our video series for all the content we couldn’t fit in. Expect to find regularly postings here that dive even deeper into functional programming, showing real world use cases and more!

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