Updated all components using "LayoutGroup" to override their OnDisable feature to incorporate this fix:

https://gist.github.com/randomize/73ca6d3b6aa7210073692eb5cabd537e

Resolves: https://github.com/Unity-UI-Extensions/com.unity.uiextensions/issues/178

Runtime/Scripts/Layout/CurvedLayout.cs

@@ -29,6 +29,13 @@ namespace UnityEngine.UI.Extensions
         public float centerpoint = 0.5f;
 
         protected override void OnEnable() { base.OnEnable(); CalculateRadial(); }
+
+        protected override void OnDisable()
+        {
+            m_Tracker.Clear();
+            LayoutRebuilder.MarkLayoutForRebuild(rectTransform);
+        }
+
         public override void SetLayoutHorizontal() {
         }
         public override void SetLayoutVertical() {

Runtime/Scripts/Layout/FlowLayoutGroup.cs

@@ -422,5 +422,13 @@ namespace UnityEngine.UI.Extensions
 			}
 			return max;
 		}
+
+        protected override void OnDisable()
+        {
+            m_Tracker.Clear();
+            LayoutRebuilder.MarkLayoutForRebuild(rectTransform);
+        }
+
+
     }
 }

Runtime/Scripts/Layout/RadialLayout.cs

@@ -55,6 +55,13 @@ namespace UnityEngine.UI.Extensions
             CalculateRadial();
         }
 #endif
+
+        protected override void OnDisable()
+        {
+            m_Tracker.Clear(); // key change - do not restore - false
+            LayoutRebuilder.MarkLayoutForRebuild(rectTransform);
+        }
+
         void CalculateRadial()
         {
             m_Tracker.Clear();

Runtime/Scripts/Layout/TableLayoutGroup.cs

@@ -284,5 +284,11 @@ namespace UnityEngine.UI.Extensions
             // Set preferredRowHeights to null to free memory
             preferredRowHeights = null;
         }
+
+        protected override void OnDisable()
+        {
+            m_Tracker.Clear(); // key change - do not restore - false
+            LayoutRebuilder.MarkLayoutForRebuild(rectTransform);
+        }
     }
 }