Owner

margelo

9 indexed repositories · View on GitHub

react-native-vision-camera
📸 A powerful, high-performance React Native Camera library.

TypeScript · 9626 stars
react-native-mmkv
⚡️ The fastest key/value storage for React Native. ~30x faster than AsyncStorage!

TypeScript · 8504 stars
react-native-graph
📈 Beautiful, high-performance Graphs and Charts for React Native built with Skia

TypeScript · 2621 stars
nitro
🔥 Insanely fast native C++, Swift or Kotlin modules with a statically compiled binding layer to JSI

C++ · 1947 stars
react-native-fast-tflite
🧬 High-performance TensorFlow Lite library for React Native with GPU acceleration

TypeScript · 1236 stars
react-native-quick-crypto
⚡️ A fast implementation of Node's `crypto` module written in C/C++ JSI

TypeScript · 1070 stars
react-native-nitro-fetch
A super-fast network fetching library for React Native with prefetching support

C++ · 997 stars
react-native-nitro-sqlite
💽 Fast SQLite library for React Native built using Nitro Modules

C · 565 stars
react-native-runtimes
Run heavy React Native components and business logic in isolated Hermes runtimes (without freezing your main JS thread)

TypeScript · 561 stars

Beginner friendly Everything

Open All

iOS: dyld "Symbol not found: std::exception_ptr::__from_native_exception_pointer" on iOS < 18 when built with Xcode 27 Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

margelo/nitro#1652 · 1 comment · 3 reactions · Opened Sep 17, 2026
Native multipart serializers do not escape names, filenames or validate MIME types (#229 revert) Open

Difficulty 4/5 3-5 days Newbie friendliness 72/100

margelo/react-native-nitro-fetch#238 · Opened Sep 13, 2026
Align handwritten SQLite C++ helpers with generated Nitro namespaces Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

margelo/react-native-nitro-sqlite#349 · Opened Sep 10, 2026
Extract the React Native source export from macOS support Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

margelo/react-native-nitro-sqlite#344 · Opened Sep 10, 2026
Reset persisted benchmark schemas after app restarts Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

margelo/react-native-nitro-sqlite#345 · Opened Sep 10, 2026
Allow manual native tests and match current package paths Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

margelo/react-native-nitro-sqlite#343 · Opened Sep 10, 2026
Exclude suite headings from the macOS test pass count Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

margelo/react-native-nitro-sqlite#342 · Opened Sep 10, 2026
Handle Metro process failures before readiness Open

Difficulty 3/5 1-2 days Newbie friendliness 56/100

margelo/react-native-nitro-sqlite#341 · Opened Sep 10, 2026
Extract macOS integration testing and CI Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

margelo/react-native-nitro-sqlite#340 · Opened Sep 10, 2026
Extract the macOS example application Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

margelo/react-native-nitro-sqlite#339 · Opened Sep 10, 2026
Add macOS support to the native SQLite packages Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

margelo/react-native-nitro-sqlite#338 · Opened Sep 10, 2026
Respect macOS exclusions in the example autolinking workaround Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

margelo/react-native-nitro-sqlite#337 · Opened Sep 10, 2026
Verify and document the supported macOS deployment range Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

margelo/react-native-nitro-sqlite#336 · Opened Sep 10, 2026
Preserve TypeScript build mode in the macOS example integration Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

margelo/react-native-nitro-sqlite#335 · Opened Sep 10, 2026
Preserve internal test aliases in shared Babel configuration Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

margelo/react-native-nitro-sqlite#334 · Opened Sep 10, 2026
Preserve SQLite configuration and serialization in macOS support Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

margelo/react-native-nitro-sqlite#333 · Opened Sep 10, 2026
Prefix native C++ filenames to prevent dependency collisions Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

margelo/react-native-nitro-sqlite#332 · Opened Sep 10, 2026
SIGSEGV from JSI in Frame Processor/Worklet during unmount or reload Open

nitro-core

Difficulty 5/5 Over a week Newbie friendliness 30/100

margelo/nitro#1645 · 6 comments · Opened Sep 8, 2026
package.json is bundled into applications Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

margelo/nitro#1619 · Opened Sep 7, 2026
resizer: Vulkan shader is not packaged with AGP 9 (shader sourceSet compilation removed) Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

margelo/react-native-vision-camera#4183 · Opened Sep 6, 2026
🐛 Android: every <Camera> mount leaks its SurfaceView and camera output stream Open

🐛 bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

margelo/react-native-vision-camera#4180 · Opened Sep 4, 2026
iOS build fails since 0.37.0 without `use_frameworks!` on RN <= 0.83: import of module 'glog.glog.log_severity' appears within namespace 'google' — could not build module 'NitroModules' Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

margelo/nitro#1573 · 1 reaction · Opened Aug 31, 2026
iOS: video output `outputOrientation` reports the set value, not connection state; `currentResolution` returns undefined Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

margelo/react-native-vision-camera#4178 · 1 comment · Opened Aug 30, 2026
Generated Android guidance references nonexistent registerNatives() Open

Difficulty 3/5 1-2 days Newbie friendliness 74/100

margelo/nitro#1565 · Opened Aug 30, 2026
Native record conversion loses __proto__ keys Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

margelo/nitro#1563 · 1 comment · Opened Aug 30, 2026
Release HybridFunction calls dereference invalid NativeState Open

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

margelo/nitro#1561 · Opened Aug 30, 2026
Settled C++ Promises retain impossible listeners Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

margelo/nitro#1559 · Opened Aug 30, 2026
Nitrogen exits successfully when no specs are generated Open

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

margelo/nitro#1555 · Opened Aug 30, 2026
Nitrogen ignores the --config option Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

margelo/nitro#1554 · Opened Aug 30, 2026
Promise settlement is only guarded in debug builds Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

margelo/nitro#1553 · Opened Aug 30, 2026
Zero-worker ThreadPool never starts queued work Open

Difficulty 3/5 1-2 days Newbie friendliness 70/100

margelo/nitro#1551 · Opened Aug 30, 2026
Worklets integration initialization errors are silently swallowed Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

margelo/nitro#1549 · Opened Aug 30, 2026
createNativeArrayBuffer accepts invalid allocation sizes Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

margelo/nitro#1545 · Opened Aug 30, 2026
HybridObject instanceof throws for null and primitive values Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

margelo/nitro#1543 · Opened Aug 30, 2026
Support linear paths for static line graphs Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

margelo/react-native-graph#132 · 1 comment · Opened Aug 29, 2026
Prefetch TTL validation can crash Swift and does not consistently disable zero-TTL hits Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

margelo/react-native-nitro-fetch#196 · Opened Aug 27, 2026
NetworkInspector capture bounds do not hold after reconfiguration or for long-lived sockets Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

margelo/react-native-nitro-fetch#192 · Opened Aug 27, 2026
Preserve original response bytes when Content-Type specifies a non-UTF-8 charset Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

margelo/react-native-nitro-fetch#190 · Opened Aug 27, 2026
✨ Support Camera2 native face detection on Android Open

✨ feature 🤖 android

Difficulty 4/5 3-5 days Newbie friendliness 48/100

margelo/react-native-vision-camera#4174 · Opened Aug 25, 2026
🐛 [iOS] Sharing one output between two CameraSession's aborts in [AVCaptureOutput detachFromFigCaptureSession:] Open

🐛 bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

margelo/react-native-vision-camera#4156 · 1 comment · 4 reactions · Opened Aug 17, 2026
Allow never in discriminated union members instead of throwing a spec-generation error Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 55/100

margelo/nitro#1482 · Opened Aug 15, 2026
Prepared statement reuse rethrows the previous execution error Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

margelo/react-native-nitro-sqlite#311 · Opened Aug 14, 2026
Check sqlite3_bind return codes so extra parameters are not silently ignored Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

margelo/react-native-nitro-sqlite#309 · Opened Aug 14, 2026
loadFile masks statement errors by rolling back twice Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

margelo/react-native-nitro-sqlite#308 · Opened Aug 14, 2026
Failed COMMIT leaves transaction open and breaks subsequent transactions Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

margelo/react-native-nitro-sqlite#307 · Opened Aug 14, 2026
Incorrect column metadata types because strcmp comparisons are inverted Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

margelo/react-native-nitro-sqlite#305 · Opened Aug 14, 2026
feat(expo): add an official config plugin for CNG and EAS Build Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

margelo/react-native-nitro-sqlite#302 · Opened Aug 14, 2026
Errors thrown in JS callbacks are not catchable from Swift Open

nitrogen swift

Difficulty 4/5 3-5 days Newbie friendliness 45/100

margelo/nitro#1481 · 1 comment · Opened Aug 13, 2026
🐛 (iOS) SkiaCamera canvas is unexpectedly rotated Open

🐛 bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

margelo/react-native-vision-camera#4153 · Opened Aug 12, 2026
Runtime function whose module fails to initialize reports "Cannot read property 'X' of undefined" instead of the real cause Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

margelo/react-native-runtimes#43 · Opened Aug 6, 2026

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