Update v2 changelog

CHANGELOG.md

@@ -70,6 +70,21 @@ Add the following to your application's `style.xml`
       <item name="backgroundColor" type="color">#f00</item>
   </resources>
   ```
+# 2.27.5
+## Fixed
+### iOS
+* Stop recursive double setting of default options  [#3da2ca8](https://github.com/wix/react-native-navigation/commit/3da2ca8afc7597b46cad500828dffc0102c034a6) by [danilobuerger](https://github.com/danilobuerger)
+* Fix infinite loop while trying to remove react buttons [#88fd1f1](https://github.com/wix/react-native-navigation/commit/88fd1f15d0bc22d8c53c7e518eb0bb178e15ea6c) by [guyca](https://github.com/guyca)
+
+# 2.27.4
+## Fixed
+### iOS
+* Immediately unmount buttons removed by mergeOptions, instead of unmounting them when screen is unmounted [#65dde34](https://github.com/wix/react-native-navigation/commit/65dde342fb087bd122bc19de308cbf283485aac7) by [yogevbd](https://github.com/yogevbd)
+* Don't consume SideMenu enabled option after applying it in mergeOptions [#9faf458](https://github.com/wix/react-native-navigation/commit/9faf458cb451829e86809d9162728eed17a7f56c) by [guyca](https://github.com/guyca)
+* supportedInterfaceOrientations didn't take default orientation value into account [#9faf458](https://github.com/wix/react-native-navigation/commit/9faf458cb451829e86809d9162728eed17a7f56c) by [guyca](https://github.com/guyca)
+* SideMenu always returned the centre ViewController as the current child and didn't take open SideMenu into account  [#9faf458](https://github.com/wix/react-native-navigation/commit/9faf458cb451829e86809d9162728eed17a7f56c) by [guyca](https://github.com/guyca)
+* Remove duplicate setDefaultOptions in UIViewController categories [#452c4e6](https://github.com/wix/react-native-navigation/commit/452c4e692fe700600447f19282bd42b07dcc9bb4) by [danilobuerger](https://github.com/danilobuerger)
+
 # 2.27.3
 ## Fixed
 ### iOS