[ios, macos] Update change logs prior to release of v4.3.0 (#12650)

* [ios, macos] Update security vulnerability details in changelogs
* [ios] Updated change log to reference LTO changes.

2 files changed, 8 insertions, 4 deletions

diff --git a/platform/ios/CHANGELOG.md b/platform/ios/CHANGELOG.md
index 6b535e8fc9..0bb97eaec3 100644
--- a/platform/ios/CHANGELOG.md
+++ b/platform/ios/CHANGELOG.md
@@ -18,14 +18,18 @@ Mapbox welcomes participation and contributions from everyone. Please read [CONT
 * Fixed a crash when switching between two styles having layers with the same identifier but different layer types. ([#12432](https://github.com/mapbox/mapbox-gl-native/issues/12432))
 * Added a new option to `MGLSymbolPlacement`, `MGLSymbolPlacementLineCenter`, that places the label relative to the center of the geometry. ([#12337](https://github.com/mapbox/mapbox-gl-native/pull/12337))
 
+## User location
+
+* Added an `MGLMapView.locationManager` property and `MGLLocationManager` protocol for tracking user location using a custom alternative to `CLLocationManager`. ([#12013](https://github.com/mapbox/mapbox-gl-native/pull/12013))
+* Fixed a crash that occurred when `MMELocationManager` was deallocated and the delegate was reporting updates. ([#12542](https://github.com/mapbox/mapbox-gl-native/pull/12542))
+
 ### Other changes
 
 * Fixed a crash that occurred when the user started a gesture before the drift animation for a previous gesture was complete. ([#12148](https://github.com/mapbox/mapbox-gl-native/pull/12148))
-* Added an `MGLMapView.locationManager` property and `MGLLocationManager` protocol for tracking user location using a custom alternative to `CLLocationManager`. ([#12013](https://github.com/mapbox/mapbox-gl-native/pull/12013))
 * Fixed an issue where the symbols for `MGLMapPointForCoordinate` could not be found. ([#12445](https://github.com/mapbox/mapbox-gl-native/issues/12445))
 * Fixed an issue causing country and ocean labels to disappear after calling `-[MGLStyle localizeLabelsIntoLocale:]` when the system language is set to Simplified Chinese. ([#12164](https://github.com/mapbox/mapbox-gl-native/issues/12164))
-* Fixed a crash that occurred when `MMELocationManager` was deallocated and the delegate was reporting updates. ([#12542](https://github.com/mapbox/mapbox-gl-native/pull/12542))
-* Various security related improvements.
+* Closed a security vulnerability introduced in 4.1.0 that would potentially allow the owner of a style to compromise apps loading that style. ([#12571](https://github.com/mapbox/mapbox-gl-native/pull/12571))
+* Reduced binary size and improved performance by enabling LTO. ([#12502](https://github.com/mapbox/mapbox-gl-native/pull/12502))
 
 ## 4.2.0 - July 18, 2018
 
diff --git a/platform/macos/CHANGELOG.md b/platform/macos/CHANGELOG.md
index 5e7751d6f2..41063670a8 100644
--- a/platform/macos/CHANGELOG.md
+++ b/platform/macos/CHANGELOG.md
@@ -18,7 +18,7 @@
 
 * Fixed an issue where the symbols for `MGLMapPointForCoordinate` could not be found. ([#12445](https://github.com/mapbox/mapbox-gl-native/issues/12445))
 * Fixed an issue causing country and ocean labels to disappear after calling `-[MGLStyle localizeLabelsIntoLocale:]` when the system language is set to Simplified Chinese. ([#12164](https://github.com/mapbox/mapbox-gl-native/issues/12164))
-* Various security related improvements.
+* Closed a security vulnerability introduced in 0.8.0 that would potentially allow the owner of a style to compromise apps loading that style. ([#12571](https://github.com/mapbox/mapbox-gl-native/pull/12571))
 
 # 0.9.0 - July 18, 2018