diff --git a/.idea/vcs.xml b/.idea/vcs.xml
index e8f81507d..bc2dfb5ae 100644
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -3,6 +3,7 @@
   <component name="VcsDirectoryMappings">
     <mapping directory="" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/app/src/main/proto" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/design" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/geeksville-androidlib" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/mesh_shared/src/main/proto" vcs="Git" />
   </component>
diff --git a/app/build.gradle b/app/build.gradle
index 112bb7572..fb75ed47a 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -31,8 +31,8 @@ android {
         applicationId "com.geeksville.mesh"
         minSdkVersion 21 // The oldest emulator image I have tried is 22 (though 21 probably works)
         targetSdkVersion 29
-        versionCode 20139 // format is Mmmss (where M is 1+the numeric major number
-        versionName "1.1.39"
+        versionCode 20141 // format is Mmmss (where M is 1+the numeric major number
+        versionName "1.1.41"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
         // per https://developer.android.com/studio/write/vector-asset-studio
diff --git a/app/src/main/java/com/geeksville/mesh/service/MeshServiceNotifications.kt b/app/src/main/java/com/geeksville/mesh/service/MeshServiceNotifications.kt
index ddf55a306..207ea93a1 100644
--- a/app/src/main/java/com/geeksville/mesh/service/MeshServiceNotifications.kt
+++ b/app/src/main/java/com/geeksville/mesh/service/MeshServiceNotifications.kt
@@ -73,7 +73,7 @@ class MeshServiceNotifications(
         val builder = NotificationCompat.Builder(context, channelId).setOngoing(true)
             .setPriority(NotificationCompat.PRIORITY_MIN)
             .setCategory(category)
-            .setSmallIcon(R.drawable.app_icon)
+            .setSmallIcon(if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) R.drawable.app_icon_novect else R.drawable.app_icon) // vector form icons don't work reliably on  older androids
             .setContentTitle(summaryString) // leave this off for now so our notification looks smaller
             .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
             .setContentIntent(openAppIntent)
diff --git a/app/src/main/java/com/geeksville/mesh/ui/MapFragment.kt b/app/src/main/java/com/geeksville/mesh/ui/MapFragment.kt
index 21d5a650c..7a694e408 100644
--- a/app/src/main/java/com/geeksville/mesh/ui/MapFragment.kt
+++ b/app/src/main/java/com/geeksville/mesh/ui/MapFragment.kt
@@ -136,7 +136,7 @@ class MapFragment : ScreenFragment("Map"), Logging {
      * Mapbox native code can crash painfully if you ever call a mapbox view function while the view is not actively being show
      */
     private val isViewVisible: Boolean
-        get() = view != null && isResumed
+        get() = view != null && isResumed && (mapView?.isDestroyed != false)
 
     override fun onViewCreated(viewIn: View, savedInstanceState: Bundle?) {
         super.onViewCreated(viewIn, savedInstanceState)
@@ -145,9 +145,9 @@ class MapFragment : ScreenFragment("Map"), Logging {
         if ((requireContext().applicationContext as GeeksvilleApplication).isAnalyticsAllowed) {
             val vIn = viewIn.findViewById<MapView>(R.id.mapView)
             mapView = vIn
-            vIn.onCreate(savedInstanceState)
-
             mapView?.let { v ->
+                v.onCreate(savedInstanceState)
+
                 // Each time the pane is shown start fetching new map info (we do this here instead of
                 // onCreate because getMapAsync can die in native code if the view goes away)
                 v.getMapAsync { map ->
@@ -205,14 +205,25 @@ class MapFragment : ScreenFragment("Map"), Logging {
     }
 
     override fun onDestroyView() {
-        mapView?.onDestroy()
         super.onDestroyView()
+        mapView?.onDestroy()
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
-        mapView?.onSaveInstanceState(outState)
+        mapView?.let {
+            if (!it.isDestroyed)
+                it.onSaveInstanceState(outState)
+        }
         super.onSaveInstanceState(outState)
     }
+
+    override fun onLowMemory() {
+        mapView?.let {
+            if (!it.isDestroyed)
+                it.onLowMemory()
+        }
+        super.onLowMemory()
+    }
 }
 
 
diff --git a/app/src/main/res/drawable-hdpi/app_icon_novect.png b/app/src/main/res/drawable-hdpi/app_icon_novect.png
new file mode 120000
index 000000000..ef5958e92
--- /dev/null
+++ b/app/src/main/res/drawable-hdpi/app_icon_novect.png
@@ -0,0 +1 @@
+app_icon.png
\ No newline at end of file
diff --git a/app/src/main/res/drawable-mdpi/app_icon_novect.png b/app/src/main/res/drawable-mdpi/app_icon_novect.png
new file mode 120000
index 000000000..ef5958e92
--- /dev/null
+++ b/app/src/main/res/drawable-mdpi/app_icon_novect.png
@@ -0,0 +1 @@
+app_icon.png
\ No newline at end of file
diff --git a/app/src/main/res/drawable-xhdpi/app_icon_novect.png b/app/src/main/res/drawable-xhdpi/app_icon_novect.png
new file mode 120000
index 000000000..ef5958e92
--- /dev/null
+++ b/app/src/main/res/drawable-xhdpi/app_icon_novect.png
@@ -0,0 +1 @@
+app_icon.png
\ No newline at end of file
diff --git a/app/src/main/res/drawable-xxhdpi/app_icon_novect.png b/app/src/main/res/drawable-xxhdpi/app_icon_novect.png
new file mode 120000
index 000000000..ef5958e92
--- /dev/null
+++ b/app/src/main/res/drawable-xxhdpi/app_icon_novect.png
@@ -0,0 +1 @@
+app_icon.png
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 5c61f9d69..cfef6d972 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.4.21'
+    ext.kotlin_version = '1.4.30'
     ext.coroutines_version = "1.3.9"
 
     repositories {