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Compose asynchronous Swift event streams with Observables and bind them to Apple-platform user interfaces

OSS scale score 312.0OSS health 75Update pace 2 commits/30d
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Stars
24,632
Primary language
Swift
License
MIT
Repository last updated
Sep 4, 2026
On this page

Overview

RxSwift brings Reactive Extensions to Swift by representing values and events over time as Observable sequences. RxCocoa adds Apple UI bindings, RxRelay supplies relay wrappers, and RxTest/RxBlocking support deterministic tests.

Features and best fit

Based on official documentation; not hands-on tested · Content checked:

Key features

Core capabilities

Operators such as map, filter, combineLatest, and flatMap transform and combine input, network, and state changes as data flows.

RxCocoa provides UI bindings for Apple platforms, DisposeBag ties subscription lifetime to an owner, and RxTest uses virtual time for deterministic sequence tests.

Sources: [1]

Best fit

Where it fits

It fits Swift applications that need to connect search input, API responses, and view state declaratively and test them with the same operator model.

Sources: [1]

Before adoption

Constraints to check

Version 6.10.2 supports Swift Package Manager and Carthage; CocoaPods is deprecated, and the README documents an SPM cross-dependency issue. Design disposal, schedulers, and terminal errors deliberately, and decide where standard AsyncSequence is sufficient.

Sources: [1][2][3]

Official sources

  1. [1]RxSwift 6.10.2 README(2026-10-04)
  2. [2]RxSwift 6.10.2 release(2026-10-04)
  3. [3]RxSwift 6.10.2 package/build metadata(2026-10-04)
  4. [4]RxSwift 6.10.2 license(2026-10-04)
Supplemental curator note

The separation among RxSwift, RxCocoa, RxRelay, and RxTest is as important as UI binding itself. Start with the fixed release and TEST=1 to verify the package including its test modules.

Try it in 3 steps

  1. 1

    Clone release 6.10.2

    Pin the reviewed release in a dedicated directory.

    git clone --branch 6.10.2 --depth 1 https://github.com/ReactiveX/RxSwift.git rxswift-6.10.2
  2. 2

    Inspect Swift and the package

    Enter the working directory, read Package.swift, and list the available RxSwift modules.

    cd rxswift-6.10.2 && swift --version && swift package describe
  3. 3

    Test with RxTest enabled

    Remain in the same working directory and enable test-module dependencies as documented.

    TEST=1 swift test
Check the official README

Growth

Growth trends · Last 30 days

24,632 Stars

Trend data is still being collected.

Development activity

Last 90 days · weekly

Commits (last 30 days)
2
Open PRs
5

Development activity is still being collected.

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Categories and tags

Categories

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GitHub data

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GitHub Topics

  • swift
  • reactivex
  • reactive
  • ios
  • unidirectional
  • observer
  • functional
  • rxswift
Stars
24,632
Forks
4,149
Watchers
523
Open issues
12
Contributors
365
Owner type
Organization
Primary language
Swift
License
MIT
Repository last updated
Sep 4, 2026
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