Add changelog for v0.81.2 (#53691)

Summary:
Add Changelog for 0.81.2

## Changelog:
[Internal] - Add Changelog for 0.81.2

Pull Request resolved: #53691

Test Plan: N/A

Reviewed By: fabriziocucci

Differential Revision: D82111764

Pulled By: cortinico

fbshipit-source-id: 90a140b7114861afecfa1c65cd69adbeff178e14

Author: gabrieldonadel

CHANGELOG.md

@@ -1,5 +1,21 @@
 # Changelog
 
+## v0.81.2
+
+### Added
+
+#### Android specific
+
+- Create a debugOptimized buildType for Android ([5e3edafec6](https://github.com/facebook/react-native/commit/5e3edafec6c69558521061dced7a6bcd046576b0) by [@cortinico](https://github.com/cortinico))
+- Add `useNativeEqualsInNativeReadableArrayAndroid` and `useNativeTransformHelperAndroid` feature flag to the experimental channel. This should alleviate some of the perf issue users are seeing on Android + Reanimated + NewArch on 0.81([a346096da8](https://github.com/facebook/react-native/commit/a346096da81fccf5fbc82d83bfc128695e6ec3a5) by [@cortinico](https://github.com/cortinico))
+
+### Fixed
+
+#### iOS specific
+
+- Fix Node scripts related to prebuilt tarball extraction for paths containing whitespaces ([366f2ad505](https://github.com/facebook/react-native/commit/366f2ad5057ffecc1f5b211f6aae29567ae6b7e5) by [@kitten](https://github.com/kitten))
+- Use autolinking-generated react-native-config output in second step of cocoapods linking that generates artifacts and generated source ([a2eb29e5e7](https://github.com/facebook/react-native/commit/a2eb29e5e7aef8bbdf4c647c8467b5292b013b20) by [@kitten](https://github.com/kitten))
+
 ## v0.82.0-rc.1
 
 ### Added