Fixes modifying state during view update

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Version 0.4.2 - 2024-12-03
+
+### Fixed
+
+- Fixes a race modifying state during view update in rare cases
+
 ## Version 0.4.1 - 2024-11-19
 
 ### Fixed

Sources/MapLibreSwiftUI/MapViewCoordinator.swift

@@ -268,7 +268,7 @@
     }
 
     func addLayers(to mglStyle: MLNStyle) {
         for layerSpec in parent.userLayers {
             // DISCUSS: What preventions should we try to put in place against the user accidentally adding the same layer twice?
             let newLayer = layerSpec.makeStyleLayer(style: mglStyle).makeMLNStyleLayer()
 
@@ -357,14 +357,16 @@
                                                direction: mapView.direction,
                                                reason: CameraChangeReason(reason))
         snapshotCamera = newCamera
-        parent.camera = newCamera
+        DispatchQueue.main.async {
+            self.parent.camera = newCamera
+        }
     }
 
     /// The MapView's region has changed with a specific reason.
     public func mapView(_ mapView: MLNMapView, regionDidChangeWith reason: MLNCameraChangeReason, animated _: Bool) {
         // TODO: We could put this in regionIsChangingWith if we calculate significant change/debounce.
         MainActor.assumeIsolated {
             updateViewPort(mapView: mapView, reason: reason)
 
             guard !suppressCameraUpdatePropagation else {
                 return