
## [v0.51.0](https://github.com/facebook/react-native/releases/tag/v0.51.0) on GitHub ([npm](https://www.npmjs.com/package/react-native))

---

# Highlights

- New styling rules:
  - `padding(Start|End)`
  - `margin(Start|End)`
  - `border(Top|Bottom)(Start|End)(Width|Color)` - ([1ed08d3](https://github.com/facebook/react-native/commit/1ed08d3c011f56f72bb9fa59e24583350108bf5d), [04a8c62](https://github.com/facebook/react-native/commit/04a8c623132dc9505158f36fc2b08b1e301dd534), [7ed7593](https://github.com/facebook/react-native/commit/7ed7593b2b46496e8f58d21416888e0e05a4ce1e),  
    [0f467a2](https://github.com/facebook/react-native/commit/0f467a25ed97e0bbf932cd94c527f42d7877dfea), [1a7abcf](https://github.com/facebook/react-native/commit/1a7abcf52618780fd36efb07f836c6eaf2912c2c), [1b5f8d3](https://github.com/facebook/react-native/commit/1b5f8d3ee557be54c0fb261bcc07ae0ad534a06c), [0a70c02](https://github.com/facebook/react-native/commit/0a70c026cba183ba7cd4ca894c490fdede1358d3), [64284bf](https://github.com/facebook/react-native/commit/64284bf66e71eba08dc3b1fcc4a6e8adf4f8d1f8), [38c2c26](https://github.com/facebook/react-native/commit/38c2c26d900ea39135db9d412f4ad616692dbe58), [875f273](https://github.com/facebook/react-native/commit/875f273dbaf1b6f351d2fedfdf829a847ae58776)) - [@rsnara](https://github.com/rsnara)
  - Partial rounded borders ([4994d6a](https://github.com/facebook/react-native/commit/4994d6a389b4e41ba25e802edab5d3fdc9e8a4f1)) - [@rsnara](https://github.com/rsnara)

## Breaking changes

- Consider negative border radii and widths invalid ([99d294b](https://github.com/facebook/react-native/commit/99d294bf3d2be24cb2950e0785bebd645a660771)) - [@rsnara](https://github.com/rsnara)

## Android

### Bugfixes

- Fixing bug when permission showing dialog and user go to home and re-open  
  minimized app ([ce967c6](https://github.com/facebook/react-native/commit/ce967c6fbe9ff7337cc95bdd93a0c08a0688769a)) - [@RafaelMagalhaesN](https://github.com/rafaelmagalhaesn)
- Fix wrong error code when location service is turned off on Android device  
  ([7e0b7ef](https://github.com/facebook/react-native/commit/7e0b7ef8d02c82c6d3c655e1b580a6975c097e87))
- Fixing RTL HorizontalScrolling ([c278020](https://github.com/facebook/react-native/commit/c278020633119b0c20752593666b0e8536f6a4b1))
- Fix line terminators for `ImageStore.getBase64ForTag` ([7a7bdee](https://github.com/facebook/react-native/commit/7a7bdeec3e69d932eb3661b61bc7f7a77338458b)) - [@FnTm](https://github.com/fntm)

### New features and enhancements

- Add `visible-password` for TextInput.keyboardType ([752b688](https://github.com/facebook/react-native/commit/752b68857c75a316d8afb5fc7f99d41c0ed68953)) - [@fmoo](https://github.com/fmoo)
- Add helpful examples to Android test env validation failure messages.  
  ([ff908aa](https://github.com/facebook/react-native/commit/ff908aa9fc002c12398c4e3cab477bbe0a16d41a)) - [@pori](https://github.com/pori)

### Others

- Put all non-drawable resources to `res/raw` ([cc86d12](https://github.com/facebook/react-native/commit/cc86d12175cad69526b35211c5fdb24d23148e93))
- Native Animated - Restore default values when removing props ([2b4ff6e](https://github.com/facebook/react-native/commit/2b4ff6ea19dc674cf035ee419daa132cde8d1f5e)) -  
  [@janicduplessis](https://github.com/janicduplessis)
- Event documentation - Adding part about mapping event names. ([e6ef035](https://github.com/facebook/react-native/commit/e6ef0358875cb185ad1c7f6b81585e74dfa41d57)) -  
  [@tdekoning](https://github.com/tdekoning)
- Removed `ProgressBarAndroid.android` deprecation warning ([b60fa63](https://github.com/facebook/react-native/commit/b60fa63de842a6745a795f78b316ce463604e418)) - [@bvaughn](https://github.com/bvaughn)
- Forward RN start/end styles to Yoga ([dc92e69](https://github.com/facebook/react-native/commit/dc92e69867bef0ea29ddc59e293e053eb8ce5bdb)) - [@rsnara](https://github.com/rsnara)

## iOS

### Bugfixes

- Fix potential retain cycles in Animated iOS ([c47759a](https://github.com/facebook/react-native/commit/c47759a9ae757ddaabde560a6b2af92e70a92453)) - [@janicduplessis](https://github.com/janicduplessis)
- Fix iOS 11 `WebView` extra white space on top due to  
  `contentInsetAdjustmentBehavior` ([2546c95](https://github.com/facebook/react-native/commit/2546c95ac8eeca5a0056d34188a10f75a4b21a44)) - [@yshing](https://github.com/yshing)
- Fix memory leak in `RCTSafeAreaView` ([9150975](https://github.com/facebook/react-native/commit/91509751efb20557b6adf96ca9dec354506e3f4a)) - [@mmmulani](https://github.com/mmmulani)

### New features and enhancements

- Opensourcing RCTWrapper ([c0e9936](https://github.com/facebook/react-native/commit/c0e9936d8e43e949567012eab77ad8f6005397a8)) - [@shergin](https://github.com/shergin)
- Add "jsBundlesDirectory" method to RCTBridgeDelegate ([dd400f8](https://github.com/facebook/react-native/commit/dd400f842b416b421d73ce3d308b73e26a5d3577)) -  
  [@fromcelticpark](https://github.com/fromcelticpark)
- Introduce RCT_EXPORT_SYNCHRONOUS_TYPED_METHOD() macro to provide the return  
  type of a sync method ([47bfbbb](https://github.com/facebook/react-native/commit/47bfbbb1d3f2b67c053d31d9ed79ec3c50a127cf)) - [@fkgozali](https://github.com/fkgozali)
- Make `react-native link` play nicely with CocoaPods-based iOS projects.  
  ([74146cb](https://github.com/facebook/react-native/commit/74146cb3158273921b768c97f229695e680ea82d)) - [@mironiasty](https://github.com/mironiasty)
- Support for ExtraBold alias of Heavy (font-weight 800) ([d38b95f](https://github.com/facebook/react-native/commit/d38b95f8b7c7dc686db9a8265eb33e5ce4e19441)) - [@sjmueller](https://github.com/sjmueller)
- Add "subject" field for Share ([eca3319](https://github.com/facebook/react-native/commit/eca331937e841944f44ba22c9ccdc4312dfeec4f)) - [@gusgard](https://github.com/gusgard)

### Others

- `[RCTShadowView localData]` is now only setter. ([b0c1bd2](https://github.com/facebook/react-native/commit/b0c1bd284fa7c62eee64f4e14bf082c0e03bb764)) - [@shergin](https://github.com/shergin)
- Deprecated stuff was removed from RCTUIManager ([4342879](https://github.com/facebook/react-native/commit/4342879c92b91d7bdbe6d52bddce7b45dd7f8f78)) - [@shergin](https://github.com/shergin)
- Deprecated stuff was removed from RCTShadowView ([32e5c8e](https://github.com/facebook/react-native/commit/32e5c8e5b5133db45f3bc1bbb042585f4bb8a4ed)) - [@shergin](https://github.com/shergin)
- Issue [#16159](https://github.com/facebook/react-native/issues/16159) - RCTImageStoreManager's priority ([4e5d50d](https://github.com/facebook/react-native/commit/4e5d50d6ad6348530640593ea67a47c45ed193b2)) - [@tsjamm](https://github.com/tsjamm)
- Make RCTUIManager and RCTDeviceInfo unsubscribe from NSNotificationCenter on  
  ([04ff184](https://github.com/facebook/react-native/commit/04ff184c12e48f683c5758556917b7a41e7d2e65))
- Move JS-native version check to its own module + unit tests + prefix Obj-C  
  macro w/RCT ([7733d40](https://github.com/facebook/react-native/commit/7733d4023728f32a940e9e4a31f79e70455871a8)) - [@ide](https://github.com/ide)
- Forward RN start/end styles to Yoga ([38b5506](https://github.com/facebook/react-native/commit/38b5506599b12d5c6ac3a2dd3f047ccf067cfc71)) - [@rsnara](https://github.com/rsnara)
- Move RCTConvertSelectorForType to their respective using modules ([bbc90b4](https://github.com/facebook/react-native/commit/bbc90b4dc263f451d4039205d560bfc8ed71ac09))
- Code cleanup - Xcode 9 build warning/issue. ([3fa6482](https://github.com/facebook/react-native/commit/3fa648204c6b89e16b9f9d89dd5705f42e087bb6)) - [@nbomberger](https://github.com/nbomberger)

## General

### Bugfixes

- Updated project file to fix Apple TV build ([aa97c9a](https://github.com/facebook/react-native/commit/aa97c9ac274da5dda47d077d90e240624bebf879)) - [@shergin](https://github.com/shergin)
- Fix that section headers in SectionList don't stick at correct position.  
  ([a541d58](https://github.com/facebook/react-native/commit/a541d58bc4245f93d122a01272efa2a39d8391d0)) - [@miyabi](https://github.com/miyabi)
- Fix scrolling events for RN. ([ca834f9](https://github.com/facebook/react-native/commit/ca834f96afcb99a7f1f4eec0a864f4f5b33a632b))
- Fix platform flags to also check for linux ([7997a2b](https://github.com/facebook/react-native/commit/7997a2b74950f0d76d5b5942aa2450f2b9207bf0)) - [@mzlee](https://github.com/mzlee)
- Fixed crash on attempt to update local data of deallocated shadow node  
  ([f2c6877](https://github.com/facebook/react-native/commit/f2c6877b91963878f36ec42f5f865427bc69488c)) - [@shergin](https://github.com/shergin)
- VirtualizedList: fix bug where onViewableItemsChanged wouldn't trigger  
  ([6747a36](https://github.com/facebook/react-native/commit/6747a36f5dec0c49fb32c68c8c980508e6ace7db)) - [@formatlos](https://github.com/formatlos)
- Fix Systrace section for Lazy View Managers ([52a67db](https://github.com/facebook/react-native/commit/52a67db629ff12c407605163bdbe3d5dfb5373f1)) - [@alexeylang](https://github.com/alexeylang)
- Fix border clipping ([de313f6](https://github.com/facebook/react-native/commit/de313f6fddfa0e98c42053d451c4d2a749a7e4e1)) - [@rsnara](https://github.com/rsnara)
- Fix Flow errors at declaration of most major library components ([833b274](https://github.com/facebook/react-native/commit/833b27483b98ca44b485c10a3201301d11c31c50)) -  
  [@Ashoat](https://github.com/ashoat)
- Fix crash when loading local bundle and hot reload is enabled ([1d674f0](https://github.com/facebook/react-native/commit/1d674f03096343acd824c9d4862a77277b773ff3)) -  
  [@dtsolis](https://github.com/dtsolis)

### New features and enhancements

- Add finally method to Promise flow definition ([4eccb16](https://github.com/facebook/react-native/commit/4eccb1693580bba37368e7cfae8de41f08e3af36)) - [@Bhullnatik](https://github.com/bhullnatik)
- Add React Native Bot ([1de46b5](https://github.com/facebook/react-native/commit/1de46b5664c69858e658657f22d81080253499a7)) - [@hramos](https://github.com/hramos)
- js1 metro-bundler: add script to publish new version ([acd9a29](https://github.com/facebook/react-native/commit/acd9a29d94f145ae5b1c755ace7bb71964e363c6)) - [@jeanlauliac](https://github.com/jeanlauliac)
- Added `fetchBundle` global function ([452ac1b](https://github.com/facebook/react-native/commit/452ac1b58e5eb5db470fbda9cfdbded277e92ccc)) - [@fromcelticpark](https://github.com/fromcelticpark)
- Improve support for unbundle feature ([e268883](https://github.com/facebook/react-native/commit/e268883fdc11b44d8e06616d045a342d0101eb45)) - [@dmueller39](https://github.com/dmueller39)
- Add Danger and publish to npm ([601abd2](https://github.com/facebook/react-native/commit/601abd2503a1a753aa7a9ad822dcfcb4455ede77)) - [@hramos](https://github.com/hramos)
- Add support for FBReactModule (Wilde) to use jsi/hermes with a bcbundle  
  ([0a7d5ab](https://github.com/facebook/react-native/commit/0a7d5ab75333b914d478d6027ef111f288e59b25)) - [@mhorowitz](https://github.com/mhorowitz)
- Add callback for UIImplementation layout updates ([91372e8](https://github.com/facebook/react-native/commit/91372e8f9aafcad2b5594175b1a3ce6f9c8f3b8e)) - [@ayc1](https://github.com/ayc1)
- Add `babel-plugin-transform-exponentiation-operator` to  
  `babel-preset-react-native` ([30b057f](https://github.com/facebook/react-native/commit/30b057fa9cfe7c7567884f6df8e77e97bdcaf141)) - [@DylanVann](https://github.com/dylanvann)
- Implement partial rounded borders ([4994d6a](https://github.com/facebook/react-native/commit/4994d6a389b4e41ba25e802edab5d3fdc9e8a4f1)) - [@rsnara](https://github.com/rsnara)
- Implement border(Left|Right|Top|Bottom)Color for rounded borders ([f788831](https://github.com/facebook/react-native/commit/f7888310d4a831a65f929b058c8e871a81b63015)) -  
  [@rsnara](https://github.com/rsnara)
- Implement gating support for direction-aware API changes ([98547d4](https://github.com/facebook/react-native/commit/98547d4bcfa4f284de1eb7bd9670a00aac7b650a)) - [@rsnara](https://github.com/rsnara)
- Add examples to RTLExample ([bc5083a](https://github.com/facebook/react-native/commit/bc5083ac40b269169522fa4e4acca17e26c17213)) - [@rsnara](https://github.com/rsnara)
- Implement direction-aware border clipping ([00c9c1a](https://github.com/facebook/react-native/commit/00c9c1ad744f60654340a02d3a71ad2117eeacf8)) - [@rsnara](https://github.com/rsnara)
- Introduce mobile config flag to load classes for View Managers ([f0fb720](https://github.com/facebook/react-native/commit/f0fb720eaa6a09f102ef61cfa6083c1f254f1edc))
- Introduce getConstants generation for Native Modules codegen. ([a5550a5](https://github.com/facebook/react-native/commit/a5550a56ea2f9647e47e2d7489d6efbefda3518a))
- Adds PrivateDatabase podspec ([6817f05](https://github.com/facebook/react-native/commit/6817f05f63b005c58215999f6417f7e955327362)) - [@notjosh](https://github.com/notjosh)

### Others

- Using `StyleSheet.hairlineWidth` in TextInputExample ([9e220da](https://github.com/facebook/react-native/commit/9e220da397174a96f3633369bfff456fa7ffa937)) - [@shergin](https://github.com/shergin)
- Direct assignment of the ref to avoid warning when mocking ([bbceb48](https://github.com/facebook/react-native/commit/bbceb48dbb2e1a40f9f50bed5a2ea7f3bc3c93c0)) - [@jmoutte](https://github.com/jmoutte)
- Document adb shell input keyevent 82 ([b9da155](https://github.com/facebook/react-native/commit/b9da155fd8d555828bcfe0e1a268900e56281f4e)) - [@forki](https://github.com/forki)
- Change attribute mentioned in alignItem ([7c89cf3](https://github.com/facebook/react-native/commit/7c89cf37c6378ebde7db0c0960803500dc57445e)) - [@linh-le](https://github.com/linh-le)
- Correct propTypes for `TextInput`'s placeholder ([dbe6044](https://github.com/facebook/react-native/commit/dbe60440747867272fcdfbb9f0ac4f258e508cc8)) - [@gusgard](https://github.com/gusgard)
- Handling exceptions in video player ([9424cd7](https://github.com/facebook/react-native/commit/9424cd7e8f0a23f8289fdaf198c48ef5f3523f40))
- Improve flow typing and linting for MessageQueue ([7b575d6](https://github.com/facebook/react-native/commit/7b575d669d8d6806f17fb679aa34ecb05c75883a)) - [@dulinriley](https://github.com/dulinriley)
- Remove redundant style field from ScrollView propTypes. (0ec04ed) - [@fmoo](https://github.com/fmoo)
- more detailed CxxModule logging ([4192790](https://github.com/facebook/react-native/commit/4192790f05269181a1f50f31ce94e20c9a8ea2bf)) - [@dryganets](https://github.com/dryganets)
- RN: Improve NativeEventEmitter Flow Types ([2fff445](https://github.com/facebook/react-native/commit/2fff445b13da114cc5238ad9064ed2100030d5b9)) - [@yungsters](https://github.com/yungsters)
- Un-revert logMarker for hermes diff ([f3b117a](https://github.com/facebook/react-native/commit/f3b117abd06b2b8941be63d3e371efe09c114330)) - [@johnislarry](https://github.com/johnislarry)
- Update Animated docs to mention potential issues with VirtualizedList  
  ([a59d157](https://github.com/facebook/react-native/commit/a59d157df4cc80b3a11e4a43c51adf56301416eb)) - [@rawrmaan](https://github.com/rawrmaan)
- Update the `NetInfo.isConnected` example code so that it uses the new  
  `connectionChange` event ([8b044dc](https://github.com/facebook/react-native/commit/8b044dcb8088dd226298c92575d411119eb959dd)) - [@fibbers](https://github.com/fibbers)
- Update Flow to v0.57.2 ([720a99a](https://github.com/facebook/react-native/commit/720a99a89033a5e26226637625c65cbcb5249fe5)) - [@gabelevi](https://github.com/gabelevi)
- Persistent Yoga ([60c898d](https://github.com/facebook/react-native/commit/60c898d8643daf80ef8175af7dc8411709eff379)) - [@sebmarkbage](https://github.com/sebmarkbage)
- Expose ReactInstanceManager from ReactRootView ([dc16150](https://github.com/facebook/react-native/commit/dc16150bae19683a5e8338faa7e004b83a9cdb3c)) - [@ayc1](https://github.com/ayc1)
- Update to regenerator-runtime@0.11.0 ([747eeba](https://github.com/facebook/react-native/commit/747eeba3c3cc48d42e987c67e8454342d7f3ee73)) - [@zertosh](https://github.com/zertosh)
- Apple TV: TouchableOpacity and Button need hasTVPreferredFocus support  
  ([c1223c5](https://github.com/facebook/react-native/commit/c1223c553004a7628e22555d0ebac40581cba261)) - [@dlowder-salesforce](https://github.com/dlowder-salesforce)
- Handle touchCancel properly in ScrollResponder ([bae9b2b](https://github.com/facebook/react-native/commit/bae9b2b2067ea096f9228d0c49d5c9dce72fc8c3)) - [@kmagiera](https://github.com/kmagiera)
- Remove usage of the `...` operator in BackHandler ([165b38a](https://github.com/facebook/react-native/commit/165b38ab7abdf9d769efddde39da35a03564284b)) - [@dantman](https://github.com/dantman)
- Use ReactMarker for all perf logging in the bridge ([95073f8](https://github.com/facebook/react-native/commit/95073f8589d893ad25af07e0d0ac6b7c379af9b3)) - [@alexeylang](https://github.com/alexeylang)
- Export deps to be source-ABI friendly ([18364e9](https://github.com/facebook/react-native/commit/18364e95b799db460565cda9818d8df94bb7d7a3)) - [@jkeljo](https://github.com/jkeljo)
- React native shadow tree sonar plugin ([90a4239](https://github.com/facebook/react-native/commit/90a42396b9c9d3dce18f04fadb9679b3bbdc1a1b)) - [@ayc1](https://github.com/ayc1)
- Rename `I18nManager` Left/Right swap methods ([efa4d3c](https://github.com/facebook/react-native/commit/efa4d3c2228ac08712f1578c4a1411a1f51e137c)) - [@rsnara](https://github.com/rsnara)
- Remove experimental shouldBridgeInitializeNativeModulesSynchronously:  
  ([ca85a53](https://github.com/facebook/react-native/commit/ca85a536c63ba6fd03d2c91a4d9cf2d15aa3157d)) - @danzimm
- Remove experimental shouldBridgeLoadJavaScriptSynchronously: ([fe792f5](https://github.com/facebook/react-native/commit/fe792f5878988c94c7babf8d9ebee4e3d49c612d)) -  
  @danzimm
- Remove the experimental concept of whitelisted modules ([55f75df](https://github.com/facebook/react-native/commit/55f75dfd655eda63c05bea35935e993bfccffab3)) - @danzimm
- RN catalyst instance destroy markers ([1c10431](https://github.com/facebook/react-native/commit/1c104310fbd76f3eb9e5ed66865f4671264ace8d)) - @cwdick
- Create CODE_OF_CONDUCT.md ([c0fea38](https://github.com/facebook/react-native/commit/c0fea385d817e3af4fee9807662aea9984d41f6c)) - [@hramos](https://github.com/hramos)
- Automated fixups for Instagram ([dd016f3](https://github.com/facebook/react-native/commit/dd016f334cef26f393b1a3c1e052e89a69502a56)) - [@jkeljo](https://github.com/jkeljo)
- Change name of the file to edit ([7153671](https://github.com/facebook/react-native/commit/715367145f0bcd0d4c5be6795b9848fe14954c68)) - @martincerny-awin
- Remove quicklog ([9742bcb](https://github.com/facebook/react-native/commit/9742bcb4ba5dd466f2854bbdc1cb5dc696f7f07c)) - [@alexeylang](https://github.com/alexeylang)
- Gate ReactNativeVersionCheck by **DEV** ([8ef28ea](https://github.com/facebook/react-native/commit/8ef28eaa2d9f34e55278f2e844ebe823f83b6447)) - @cblappert
- \[podspec\] Define `pod_target_xcconfig` for PrivateDatabase ([87e524b](https://github.com/facebook/react-native/commit/87e524b4a47d7cd63eb69466b795052be2dc4e9b)) - [@ide](https://github.com/ide)


React Native November 2017 (v0.51.0) released

React Native November 2017 (v0.51.0) released

React Native October 2017 (v0.50.0) released

React Native September 2017 (v0.49.0) released

React Native August 2017 (v0.48.0) released

React Native July 2017 (v0.47.0) released