facebookarchive/KVOController

Simple, modern, thread-safe key-value observing for iOS and OS X. observed · 2026-08-28

github.com/facebookarchive/KVOController · Objective-C · NOASSERTION (other) · archived observed · 2026-08-28

Health v2 · maintenance only

10/100

Activity 0
Release rhythm 8
Longevity 100

Flags: archived no_license

How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.

gap_med: n/a
age_days: 4573
days_rel: n/a
days_push: 2412
n_releases_24m: 0

Full methodology

Adoption not part of the score

7286 stars · 915 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

A thread-safe Objective-C library that simplifies Cocoa's key-value observing (KVO) on iOS and OS X. It offers a modern API supporting block-based, action-based, or NSKeyValueObserving callbacks with automatic observer cleanup on deallocation.

Use cases

observe object property changes safely in iOS apps
replace raw KVO with block-based callbacks
avoid crashes from observer resurrection and unbalanced removals
communicate between model and view layers in MVC
use KVO from Swift with dynamic properties
auto-remove observers on dealloc without manual cleanup

When to choose

you need thread-safe KVO in Objective-C or Swift on iOS/macOS
you want implicit observer removal to prevent leaks and crashes
you prefer block callbacks over manual observeValueForKeyPath boilerplate

When to avoid

you can use Swift's native Combine or async observation APIs instead
you target platforms other than iOS/OS X
you need actively maintained software - the repo is archived

Facets

library · maturity maintenance

developer-tools concurrency error-handling apple-ecosystem developer-tools mobile-development cross-platform cpp key-value-observing objective-c cocoa thread-safe reactive mvc cocoapods facebook-archive ios macos swift

1 source

readme: https://github.com/facebookarchive/KVOController · fetched 2026-08-28 · 901941f59ade

Member repositories

Repository	Role	Health v2
facebookarchive/KVOController	main	10

For agents

markdown · JSON · MCP: product_card(name="facebookarchive/KVOController")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem