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Streams of values over time

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Streams of values over time. Tailored for Swift.

Latest ReactiveSwift Documentation Join the ReactiveSwift Slack community.

Carthage compatible CocoaPods compatible SwiftPM compatible GitHub release Swift 5.1 platforms

🚄 Release Roadmap

Getting Started

Learn about the Core Reactive Primitives in ReactiveSwift, and Basic Operators available offered by these primitives.

Extended modules

Module Repository Description
ReactiveCocoa ReactiveCocoa/ReactiveCocoa

Extend Cocoa frameworks and Objective-C runtime APIs with ReactiveSwift bindings and extensions.

Loop ReactiveCocoa/Loop

Composable unidirectional data flow with ReactiveSwift.

ReactiveSwift Composable Architecture trading-point/reactiveswift-composable-architecture

The Pointfree Composable Architecture using ReactiveSwift instead of Combine.

What is ReactiveSwift in a nutshell?

ReactiveSwift offers composable, declarative and flexible primitives that are built around the grand concept of streams of values over time.

These primitives can be used to uniformly represent common Cocoa and generic programming patterns that are fundamentally an act of observation, e.g. delegate pattern, callback closures, notifications, control actions, responder chain events, futures/promises and key-value observing (KVO).

Because all of these different mechanisms can be represented in the same way, it’s easy to declaratively compose them together, with less spaghetti code and state to bridge the gap.


  1. API Reference

  2. API Contracts

Contracts of the ReactiveSwift primitives, Best Practices with ReactiveSwift, and Guidelines on implementing custom operators.

  1. Debugging Techniques

  2. RxSwift Migration Cheatsheet


ReactiveSwift supports macOS 10.9+, iOS 9.0+, watchOS 2.0+, tvOS 9.0+ and Linux.


If you use Carthage to manage your dependencies, simply add ReactiveSwift to your

github "ReactiveCocoa/ReactiveSwift" ~> 6.1

If you use Carthage to build your dependencies, make sure you have added

to the "Linked Frameworks and Libraries" section of your target, and have included them in your Carthage framework copying build phase.


If you use CocoaPods to manage your dependencies, simply add ReactiveSwift to your

pod 'ReactiveSwift', '~> 6.1'

Swift Package Manager

If you use Swift Package Manager, simply add ReactiveSwift as a dependency of your package in

.package(url: "", from: "6.1.0")

Git submodule

  1. Add the ReactiveSwift repository as a submodule of your application’s repository.
  2. Run
    git submodule update --init --recursive
    from within the ReactiveCocoa folder.
  3. Drag and drop
    into your application’s Xcode project or workspace.
  4. On the “General” tab of your application target’s settings, add
    to the “Embedded Binaries” section.
  5. If your application target does not contain Swift code at all, you should also set the
    build setting to “Yes”.


We also provide a Playground, so you can get used to ReactiveCocoa's operators. In order to start using it:

  1. Clone the ReactiveSwift repository.
  2. Retrieve the project dependencies using one of the following terminal commands from the ReactiveSwift project root directory:
    • git submodule update --init --recursive
      OR, if you have Carthage installed
    • carthage checkout
  3. Open
  4. Build
  5. Finally open the
  6. Choose
    View > Show Debug Area

Have a question?

If you need any help, please visit our GitHub issues or Stack Overflow. Feel free to file an issue if you do not manage to find any solution from the archives.

Release Roadmap

Current Stable Release:
GitHub release

Plan of Record

ABI stability release

ReactiveSwift has no plan to declare ABI and module stability at the moment. It will continue to be offered as a source only dependency for the foreseeable future.

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