diff --git a/config/webpack/webpack-bundle.js b/config/webpack/webpack-bundle.js
index 7d14fa05..dfda62cc 100644
--- a/config/webpack/webpack-bundle.js
+++ b/config/webpack/webpack-bundle.js
@@ -71,6 +71,7 @@ module.exports = {
     asyncWebAssembly: true
   },
   optimization: {
+    minimize: false,
     minimizer: [
       new TerserPlugin({
         parallel: true
diff --git a/config/webpack/webpack-dynamic-import.js b/config/webpack/webpack-dynamic-import.js
index e9024854..6a051abc 100644
--- a/config/webpack/webpack-dynamic-import.js
+++ b/config/webpack/webpack-dynamic-import.js
@@ -17,6 +17,7 @@ const prodConfig = {
     filename: '[name].min.js'
   },
   optimization: {
+    minimize: false,
     minimizer: [
       new TerserPlugin({
         parallel: true
diff --git a/src/annotations/_AnnotationManager.js b/src/annotations/_AnnotationManager.js
index f907bd60..8e88e840 100644
--- a/src/annotations/_AnnotationManager.js
+++ b/src/annotations/_AnnotationManager.js
@@ -178,6 +178,7 @@ class _AnnotationManager {
   }
 
   onDrawAbort (event) {
+    console.log("event=", event);
     this[Marker.Arrow].onDrawAbort(event)
     this[Markup.Measurement].onDrawAbort(event)
     this[Markup.TextEvaluation].onDrawAbort(event)
diff --git a/src/annotations/markups/_MarkupManager.js b/src/annotations/markups/_MarkupManager.js
index ce225355..952a0079 100644
--- a/src/annotations/markups/_MarkupManager.js
+++ b/src/annotations/markups/_MarkupManager.js
@@ -311,6 +311,7 @@ class _MarkupManager {
       }
     })
 
+    console.log("adding mouse down listener");
     markup.element.addEventListener(Enums.HTMLElementEvents.MOUSE_DOWN, () => {
       const markup = this.get(id)
       if (markup) {
diff --git a/src/viewer.js b/src/viewer.js
index 4a70cd8f..66660241 100644
--- a/src/viewer.js
+++ b/src/viewer.js
@@ -686,7 +686,7 @@ function _getColorPaletteStyleForPointLayer ({
   return { color: expression }
 }
 
-const _affine = Symbol('affine')
+const _affine = Symbol.for('affine')
 const _affineInverse = Symbol('affineInverse')
 const _annotationManager = Symbol('annotationManager')
 const _annotationGroups = Symbol('annotationGroups')
@@ -697,15 +697,15 @@ const _drawingLayer = Symbol('drawingLayer')
 const _drawingSource = Symbol('drawingSource')
 const _features = Symbol('features')
 const _imageLayer = Symbol('imageLayer')
-const _interactions = Symbol('interactions')
-const _map = Symbol('map')
-const _mappings = Symbol('mappings')
+const _interactions = Symbol.for('interactions')
+const _map = Symbol.for('map')
+const _mappings = Symbol.for('mappings')
 const _metadata = Symbol('metadata')
 const _opticalPaths = Symbol('opticalPaths')
 const _options = Symbol('options')
 const _overlays = Symbol('overlays')
 const _overviewMap = Symbol('overviewMap')
-const _projection = Symbol('projection')
+const _projection = Symbol.for('projection')
 const _pyramid = Symbol('pyramid')
 const _segments = Symbol('segments')
 const _rotation = Symbol('rotation')
@@ -791,6 +791,7 @@ class VolumeImageViewer {
     if (this[_options].controls == null) {
       this[_options].controls = []
     }
+    console.log("Setting controls to", this[_options].controls);
     this[_options].controls = new Set(this[_options].controls)
 
     if (this[_options].primaryColor == null) {
@@ -2249,6 +2250,7 @@ class VolumeImageViewer {
      *   modifierKey: 'ctrl' // The modifier
      * },
      */
+    console.log("bindings are", options.bindings);
     if (options.bindings) {
       drawOptions.condition = _getInteractionBindingCondition(options.bindings)
     }
@@ -2558,7 +2560,6 @@ class VolumeImageViewer {
    * Deactivate drag pan interaction.
    */
   deactivateDragPanInteraction () {
-    console.info('deactivate "drag pan" interaction')
     if (this[_interactions].dragPan) {
       this[_map].removeInteraction(this[_interactions].dragPan)
       this[_interactions].dragPan = undefined