CanvasGroupFader should wait for end of frame before starting a fade. This is so that only the last call to fade that frame is honoured.
CanvasGroupFader should wait for end of frame before starting a fade. This is so that only the last call to fade that frame is honoured.

 Binary files a/Assets/Plugins/KerbalEngineer.Unity.dll and b/Assets/Plugins/KerbalEngineer.Unity.dll differ
--- a/Assets/Prefabs/FlightMenu.prefab
+++ b/Assets/Prefabs/FlightMenu.prefab
@@ -377,7 +377,7 @@
     m_PersistentCalls:
       m_Calls:
       - m_Target: {fileID: 11415294}
-        m_MethodName: SetControlBar
+        m_MethodName: SetControlBarVisible
         m_Mode: 0
         m_Arguments:
           m_ObjectArgument: {fileID: 0}
@@ -835,7 +835,7 @@
     m_PersistentCalls:
       m_Calls:
       - m_Target: {fileID: 11415294}
-        m_MethodName: SetShowEngineer
+        m_MethodName: SetDisplayStackVisible
         m_Mode: 0
         m_Arguments:
           m_ObjectArgument: {fileID: 0}

--- a/Assets/Scenes/main.unity
+++ b/Assets/Scenes/main.unity
@@ -347,9 +347,13 @@
       propertyPath: m_SizeDelta.y
       value: 54
       objectReference: {fileID: 0}
-    - target: {fileID: 11465882, guid: a41f85cb0b8964f43947e85b3e833c0f, type: 2}
-      propertyPath: m_Text
-      value: NEW CUSTOM SECTION
+    - target: {fileID: 11415068, guid: a41f85cb0b8964f43947e85b3e833c0f, type: 2}
+      propertyPath: onValueChanged.m_PersistentCalls.m_Calls.Array.data[0].m_MethodName
+      value: SetControlBarVisible
+      objectReference: {fileID: 0}
+    - target: {fileID: 11485338, guid: a41f85cb0b8964f43947e85b3e833c0f, type: 2}
+      propertyPath: onValueChanged.m_PersistentCalls.m_Calls.Array.data[0].m_MethodName
+      value: SetDisplayStackVisible
       objectReference: {fileID: 0}
     m_RemovedComponents: []
   m_ParentPrefab: {fileID: 100100000, guid: a41f85cb0b8964f43947e85b3e833c0f, type: 2}

--- a/KerbalEngineer.Unity/CanvasGroupFader.cs
+++ b/KerbalEngineer.Unity/CanvasGroupFader.cs
@@ -28,7 +28,7 @@
         private CanvasGroup m_CanvasGroup;
         private IEnumerator m_FadeCoroutine;
 
-        public bool fading
+        public bool IsFading
         {
             get
             {
@@ -88,6 +88,9 @@
         /// </summary>
         private IEnumerator FadeCoroutine(float from, float to, float duration, Action callback)
         {
+            // wait for end of frame so that only the last call to fade that frame is honoured.
+            yield return new WaitForEndOfFrame();
+
             float progress = 0.0f;
 
             while (progress <= 1.0f)

--- a/KerbalEngineer.Unity/Flight/FlightMenu.cs
+++ b/KerbalEngineer.Unity/Flight/FlightMenu.cs
@@ -45,7 +45,6 @@
         private float m_SlowFadeDuration = 1.0f;
 
         private IFlightAppLauncher m_FlightAppLauncher;
-
         private RectTransform m_RectTransform;
 
         public void OnPointerEnter(PointerEventData eventData)
@@ -56,7 +55,7 @@
         public void OnPointerExit(PointerEventData eventData)
         {
             // slow-fade out if the application launcher button is off
-            if (m_FlightAppLauncher != null && m_FlightAppLauncher.isOn == false)
+            if (m_FlightAppLauncher != null && m_FlightAppLauncher.IsOn == false)
             {
                 FadeTo(0.0f, m_SlowFadeDuration, Destroy);
             }
@@ -92,11 +91,22 @@
         /// <summary>
         ///     Sets the control bar visiblity.
         /// </summary>
-        public void SetControlBar(bool visible)
+        public void SetControlBarVisible(bool visible)
         {
             if (m_FlightAppLauncher != null)
             {
-                m_FlightAppLauncher.controlBar = visible;
+                m_FlightAppLauncher.IsControlBarVisible = visible;
+            }
+        }
+
+        /// <summary>
+        ///     Sets the display stack visibility.
+        /// </summary>
+        public void SetDisplayStackVisible(bool visible)
+        {
+            if (m_FlightAppLauncher != null)
+            {
+                m_FlightAppLauncher.IsDisplayStackVisible = visible;
             }
         }
 
@@ -117,17 +127,6 @@
             CreateSectionControls(m_FlightAppLauncher.GetCustomSections());
         }
 
-        /// <summary>
-        ///     Sets the display stack visibility.
-        /// </summary>
-        public void SetShowEngineer(bool visible)
-        {
-            if (m_FlightAppLauncher != null)
-            {
-                m_FlightAppLauncher.showEngineer = visible;
-            }
-        }
-
         protected override void Awake()
         {
             base.Awake();
@@ -151,8 +150,8 @@
             }
 
             // set toggle states to match the actual states
-            SetToggle(m_ShowEngineerToggle, m_FlightAppLauncher.showEngineer);
-            SetToggle(m_ControlBarToggle, m_FlightAppLauncher.controlBar);
+            SetToggle(m_ShowEngineerToggle, m_FlightAppLauncher.IsDisplayStackVisible);
+            SetToggle(m_ControlBarToggle, m_FlightAppLauncher.IsControlBarVisible);
 
             // update anchor position
             if (m_RectTransform != null)

--- a/KerbalEngineer.Unity/Flight/FlightMenuSection.cs
+++ b/KerbalEngineer.Unity/Flight/FlightMenuSection.cs
@@ -37,7 +37,7 @@
         /// <summary>
         ///     Gets or sets the section's editor visibility.
         /// </summary>
-        public bool editorVisible
+        public bool IsEditorVisible
         {
             get
             {

--- a/KerbalEngineer.Unity/Flight/IFlightAppLauncher.cs
+++ b/KerbalEngineer.Unity/Flight/IFlightAppLauncher.cs
@@ -23,11 +23,11 @@
 
     public interface IFlightAppLauncher
     {
-        bool controlBar { get; set; }
+        bool IsControlBarVisible { get; set; }
 
-        bool isOn { get; }
+        bool IsDisplayStackVisible { get; set; }
 
-        bool showEngineer { get; set; }
+        bool IsOn { get; }
 
         void ClampToScreen(RectTransform rectTransform);
 

--- a/KerbalEngineer/AppLauncherButton.cs
+++ b/KerbalEngineer/AppLauncherButton.cs
@@ -30,7 +30,7 @@
         /// <summary>
         ///     Gets or sets the toggle button state.
         /// </summary>
-        public bool isOn
+        public bool IsOn
         {
             get
             {
@@ -77,7 +77,7 @@
                 m_Button.Enable();
             }
         }
-        
+
         /// <summary>
         ///     Gets the anchor position for pop-up content.
         /// </summary>
@@ -87,7 +87,7 @@
             {
                 return Vector3.zero;
             }
-            
+
             Vector3 anchor = m_Button.GetAnchor();
 
             anchor.x -= 3.0f;
@@ -124,9 +124,9 @@
         protected virtual void Awake()
         {
             // cache icon texture
-            if (m_IconTexture == null && AssetBundleLoader.images != null)
-            {
-                m_IconTexture = AssetBundleLoader.images.LoadAsset<Texture2D>("app-launcher-icon");
+            if (m_IconTexture == null && AssetBundleLoader.Images != null)
+            {
+                m_IconTexture = AssetBundleLoader.Images.LoadAsset<Texture2D>("app-launcher-icon");
             }
 
             // subscribe event listeners

--- a/KerbalEngineer/AssetBundleLoader.cs
+++ b/KerbalEngineer/AssetBundleLoader.cs
@@ -29,7 +29,7 @@
         /// <summary>
         ///     Gets the loaded images asset bundle.
         /// </summary>
-        public static AssetBundle images
+        public static AssetBundle Images
         {
             get
             {
@@ -40,7 +40,7 @@
         /// <summary>
         ///     Gets the loaded prefabs asset bundle.
         /// </summary>
-        public static AssetBundle prefabs
+        public static AssetBundle Prefabs
         {
             get
             {

--- a/KerbalEngineer/Editor/BuildAppLauncher.cs
+++ b/KerbalEngineer/Editor/BuildAppLauncher.cs
@@ -48,7 +48,7 @@
             if (EditorLogic.RootPart != null)
             {
                 // set button state based on existing visibility
-                isOn = BuildAdvanced.Instance.Visible;
+                IsOn = BuildAdvanced.Instance.Visible;
             }
             else
             {

--- a/KerbalEngineer/Flight/FlightAppLauncher.cs
+++ b/KerbalEngineer/Flight/FlightAppLauncher.cs
@@ -35,7 +35,7 @@
         /// <summary>
         ///     Gets the current instance of the FlightAppLauncher object.
         /// </summary>
-        public static FlightAppLauncher instance
+        public static FlightAppLauncher Instance
         {
             get
             {
@@ -52,9 +52,25 @@
         }
 
         /// <summary>
+        ///     Gets a list of custom sections.
+        /// </summary>
+        IList<ISectionModule> IFlightAppLauncher.GetCustomSections()
+        {
+            return new List<ISectionModule>(SectionLibrary.CustomSections.ToArray());
+        }
+
+        /// <summary>
+        ///     Gets a list of stock sections.
+        /// </summary>
+        public IList<ISectionModule> GetStockSections()
+        {
+            return new List<ISectionModule>(SectionLibrary.StockSections.ToArray());
+        }
+
+        /// <summary>
         ///     Gets or sets the control bar's visibility.
         /// </summary>
-        public bool controlBar
+        public bool IsControlBarVisible
         {
             get
             {
@@ -75,25 +91,9 @@
         }
 
         /// <summary>
-        ///     Gets a list of custom sections.
-        /// </summary>
-        IList<ISectionModule> IFlightAppLauncher.GetCustomSections()
-        {
-            return new List<ISectionModule>(SectionLibrary.CustomSections.ToArray());
-        }
-
-        /// <summary>
-        ///     Gets a list of stock sections.
-        /// </summary>
-        public IList<ISectionModule> GetStockSections()
-        {
-            return new List<ISectionModule>(SectionLibrary.StockSections.ToArray());
-        }
-
-        /// <summary>
         ///     Gets or sets the display stack's visibility.
         /// </summary>
-        public bool showEngineer
+        public bool IsDisplayStackVisible
         {
             get
             {
@@ -140,9 +140,9 @@
             m_Instance = this;
 
             // cache menu prefab
-            if (m_MenuPrefab == null && AssetBundleLoader.prefabs != null)
-            {
-                m_MenuPrefab = AssetBundleLoader.prefabs.LoadAsset<GameObject>("FlightMenu");
+            if (m_MenuPrefab == null && AssetBundleLoader.Prefabs != null)
+            {
+                m_MenuPrefab = AssetBundleLoader.Prefabs.LoadAsset<GameObject>("FlightMenu");
             }
         }
 
@@ -158,7 +158,7 @@
 
         protected override void OnHoverOut()
         {
-            if (isOn == false)
+            if (IsOn == false)
             {
                 Close();
             }

 Binary files a/Output/KerbalEngineer/KerbalEngineer and b/Output/KerbalEngineer/KerbalEngineer differ
 Binary files a/Output/KerbalEngineer/KerbalEngineer.Unity.dll and b/Output/KerbalEngineer/KerbalEngineer.Unity.dll differ
 Binary files a/Output/KerbalEngineer/KerbalEngineer.dll and b/Output/KerbalEngineer/KerbalEngineer.dll differ
 Binary files a/Output/KerbalEngineer/prefabs and b/Output/KerbalEngineer/prefabs differ
--- a/Output/KerbalEngineer/prefabs.manifest
+++ b/Output/KerbalEngineer/prefabs.manifest
@@ -1,9 +1,9 @@
 ManifestFileVersion: 0
-CRC: 3151923579
+CRC: 2383757940
 Hashes:
   AssetFileHash:
     serializedVersion: 2
-    Hash: 190dda20513d4497692c3a813ba1392f
+    Hash: 15fb0b0c3e3051168070ffa1a23b6805
   TypeTreeHash:
     serializedVersion: 2
     Hash: a43c45227b2ed7e5db39229032ceda8b