diff --git a/vendors/knockout/Gruntfile.js b/vendors/knockout/Gruntfile.js
index 8245d83d2..1f1fe2681 100644
--- a/vendors/knockout/Gruntfile.js
+++ b/vendors/knockout/Gruntfile.js
@@ -4,8 +4,6 @@ module.exports = function(grunt) {
 
     // Project configuration
     grunt.initConfig({
-//		language_in:'ECMASCRIPT6',
-//		language_out:'ECMASCRIPT6',
         // Metadata
         pkg: grunt.file.readJSON('package.json'),
         fragments: './build/fragments/',
@@ -111,7 +109,7 @@ module.exports = function(grunt) {
     function buildMin(output, done) {
         var cc = require('closure-compiler');
         var options = {
-//			language_in:'ECMASCRIPT6',
+//			language_in:'ECMASCRIPT6', // BROKEN!!
 //			language_out:'ECMASCRIPT6',
             compilation_level: 'ADVANCED_OPTIMIZATIONS',
             output_wrapper: '(function() {%output%})();'
diff --git a/vendors/knockout/build/output/knockout-latest.debug.js b/vendors/knockout/build/output/knockout-latest.debug.js
index 9ffdeb49e..54db3587e 100644
--- a/vendors/knockout/build/output/knockout-latest.debug.js
+++ b/vendors/knockout/build/output/knockout-latest.debug.js
@@ -61,6 +61,11 @@ ko.options = {
 
 //ko.exportSymbol('options', ko.options);   // 'options' isn't minified
 ko.utils = (function () {
+
+    function arrayCall(name, arr, p1, p2) {
+        return Array.prototype[name].call(arr, p1, p2);
+    }
+
     function objectForEach(obj, action) {
         obj && Object.entries(obj).forEach(function(prop) {
             action(prop[0], prop[1]);
@@ -92,13 +97,11 @@ ko.utils = (function () {
 
     return {
         arrayForEach: function (array, action, actionOwner) {
-            for (var i = 0, j = array.length; i < j; i++) {
-                action.call(actionOwner, array[i], i, array);
-            }
+            arrayCall('forEach', array, action, actionOwner);
         },
 
         arrayIndexOf: function (array, item) {
-            return Array.prototype.indexOf.call(array, item);
+            return arrayCall('indexOf', array, item);
         },
 
         arrayFirst: function (array, predicate, predicateOwner) {
@@ -120,7 +123,7 @@ ko.utils = (function () {
         },
 
         arrayFilter: function (array, predicate, predicateOwner) {
-            return array ? Array.prototype.filter.call(array, predicate, predicateOwner) : [];
+            return array ? arrayCall('filter', array, predicate, predicateOwner) : [];
         },
 
         arrayPushAll: function (array, valuesToPush) {
@@ -165,25 +168,21 @@ ko.utils = (function () {
             var templateDocument = (nodesArray[0] && nodesArray[0].ownerDocument) || document;
 
             var container = templateDocument.createElement('div');
-            for (var i = 0, j = nodesArray.length; i < j; i++) {
-                container.appendChild(ko.cleanNode(nodesArray[i]));
-            }
+            nodes.forEach(function(node){container.append(ko.cleanNode(node));});
             return container;
         },
 
         cloneNodes: function (nodesArray, shouldCleanNodes) {
-            for (var i = 0, j = nodesArray.length, newNodesArray = []; i < j; i++) {
-                var clonedNode = nodesArray[i].cloneNode(true);
-                newNodesArray.push(shouldCleanNodes ? ko.cleanNode(clonedNode) : clonedNode);
-            }
-            return newNodesArray;
+            return arrayCall('map', nodesArray, shouldCleanNodes
+                ? function(node){return ko.cleanNode(node.cloneNode(true));}
+                : function(node){return node.cloneNode(true);}
+            );
         },
 
         setDomNodeChildren: function (domNode, childNodes) {
             ko.utils.emptyDomNode(domNode);
             if (childNodes) {
-                for (var i = 0, j = childNodes.length; i < j; i++)
-                    domNode.appendChild(childNodes[i]);
+                Element.prototype.append.apply(domNode, childNodes);
             }
         },
 
@@ -576,7 +575,7 @@ ko.exportSymbol('utils.domNodeDisposal.removeDisposeCallback', ko.utils.domNodeD
             // Note that innerShiv is deprecated in favour of html5shiv. We should consider adding
             // support for html5shiv (except if no explicit support is needed, e.g., if html5shiv
             // somehow shims the native APIs so it just works anyway)
-            div.appendChild(windowContext['innerShiv'](markup));
+            div.append(windowContext['innerShiv'](markup));
         } else {
             div.innerHTML = markup;
         }
@@ -716,7 +715,7 @@ ko.tasks = (function () {
                 script = null;
                 callback();
             };
-            document.documentElement.appendChild(script);
+            document.documentElement.append(script);
         };
     } else {
         scheduler = function (callback) {
@@ -2546,7 +2545,7 @@ ko.exportSymbol('jsonExpressionRewriting.insertPropertyAccessorsIntoJson', ko.ex
             }
 
             if (!insertBeforeNode) {
-                containerNode.appendChild(nodeToPrepend);
+                containerNode.append(nodeToPrepend);
             } else if (nodeToPrepend !== insertBeforeNode) {       // IE will sometimes crash if you try to insert a node before itself
                 containerNode.insertBefore(nodeToPrepend, insertBeforeNode);
             }
@@ -2564,7 +2563,7 @@ ko.exportSymbol('jsonExpressionRewriting.insertPropertyAccessorsIntoJson', ko.ex
                 }
 
                 if (!insertBeforeNode) {
-                    containerNode.appendChild(nodeToInsert);
+                    containerNode.append(nodeToInsert);
                 } else if (nodeToInsert !== insertBeforeNode) {       // IE will sometimes crash if you try to insert a node before itself
                     containerNode.insertBefore(nodeToInsert, insertBeforeNode);
                 }
@@ -2628,7 +2627,7 @@ ko.exportSymbol('jsonExpressionRewriting.insertPropertyAccessorsIntoJson', ko.ex
                                 if (nodeToInsertBefore)
                                     elementVerified.insertBefore(unbalancedTags[i], nodeToInsertBefore);
                                 else
-                                    elementVerified.appendChild(unbalancedTags[i]);
+                                    elementVerified.append(unbalancedTags[i]);
                             }
                         }
                     }
@@ -3924,14 +3923,14 @@ ko.bindingHandlers['attr'] = {
 (function() {
 
 function addOrRemoveItem(array, value, included) {
-	var existingEntryIndex = ko.utils.arrayIndexOf(ko.utils.peekObservable(array), value);
-	if (existingEntryIndex < 0) {
-		if (included)
-			array.push(value);
-	} else {
-		if (!included)
-			array.splice(existingEntryIndex, 1);
-	}
+    var existingEntryIndex = ko.utils.arrayIndexOf(ko.utils.peekObservable(array), value);
+    if (existingEntryIndex < 0) {
+        if (included)
+            array.push(value);
+    } else {
+        if (!included)
+            array.splice(existingEntryIndex, 1);
+    }
 }
 
 ko.bindingHandlers['checked'] = {
@@ -4067,12 +4066,12 @@ var classesWrittenByBindingKey = '__ko__cssValue';
 // For details on the pattern for changing node classes
 // see: https://github.com/knockout/knockout/issues/1597
 function toggleDomNodeCssClass(node, classNames, shouldHaveClass) {
-	if (classNames) {
-		var addOrRemoveFn = shouldHaveClass ? 'add' : 'remove';
-		classNames.split(/\s+/).forEach(function(className) {
-			node.classList[addOrRemoveFn](className);
-		});
-	}
+    if (classNames) {
+        var addOrRemoveFn = shouldHaveClass ? 'add' : 'remove';
+        classNames.split(/\s+/).forEach(function(className) {
+            node.classList[addOrRemoveFn](className);
+        });
+    }
 }
 
 ko.bindingHandlers['class'] = {
diff --git a/vendors/knockout/build/output/knockout-latest.js b/vendors/knockout/build/output/knockout-latest.js
index 6287c0df0..d6a61e01d 100644
--- a/vendors/knockout/build/output/knockout-latest.js
+++ b/vendors/knockout/build/output/knockout-latest.js
@@ -5,117 +5,117 @@
  */
 
 (function() {(function(n){var F=this||(0,eval)("this"),z=F.document,H=F.jQuery;H||"undefined"===typeof jQuery||(H=jQuery);(function(n){"function"===typeof define&&define.amd?define(["exports","require"],n):"object"===typeof exports&&"object"===typeof module?n(module.exports||exports):n(F.ko={})})(function(H,Q){function J(a,c){return null===a||typeof a in T?a===c:!1}function U(b,c){var d;return function(){d||(d=a.a.setTimeout(function(){d=n;b()},c))}}function V(b,c){var d;return function(){clearTimeout(d);d=a.a.setTimeout(b,
-c)}}function W(a,c){c&&"change"!==c?"beforeChange"===c?this.hc(a):this.bb(a,c):this.ic(a)}function X(a,c){null!==c&&c.s&&c.s()}function Y(a,c){var d=this.bd,e=d[t];e.pa||(this.Jb&&this.ib[c]?(d.mc(c,a,this.ib[c]),this.ib[c]=null,--this.Jb):e.F[c]||d.mc(c,a,e.G?{aa:a}:d.Oc(a)),a.Ga&&a.Tc())}function L(a,c,d){if(c){var e=d?"add":"remove";c.split(/\s+/).forEach(function(c){a.classList[e](c)})}}var a="undefined"!==typeof H?H:{};a.b=function(b,c){for(var d=b.split("."),e=a,f=0;f<d.length-1;f++)e=e[d[f]];
-e[d[d.length-1]]=c};a.I=function(a,c,d){a[c]=d};a.version="3.5.1-pre";a.b("version",a.version);a.options={deferUpdates:!1,useOnlyNativeEvents:!1,foreachHidesDestroyed:!1};a.a=function(){function b(a,b){b&&Object.entries(b).forEach(function(b){a[b[0]]=b[1]});return a}function c(a,b){a.__proto__=b;return a}var d={__proto__:[]}instanceof Array;return{K:function(a,b,c){for(var d=0,l=a.length;d<l;d++)b.call(c,a[d],d,a)},L:function(a,b){return Array.prototype.indexOf.call(a,b)},Fb:function(a,b,c){for(var d=
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diff --git a/vendors/knockout/package.json b/vendors/knockout/package.json
index 95e9edd76..9764266a1 100644
--- a/vendors/knockout/package.json
+++ b/vendors/knockout/package.json
@@ -29,11 +29,17 @@
     ]
   },
   "licenses": [
-    { "type": "MIT", "url": "http://www.opensource.org/licenses/mit-license.php" }
+    {
+      "type": "MIT",
+      "url": "http://www.opensource.org/licenses/mit-license.php"
+    }
   ],
   "devDependencies": {
     "grunt": "~0.4.1",
-    "grunt-cli": "~0.1.0",
-    "closure-compiler": "~0.2.1"
+    "grunt-cli": "~0.1.0"
+  },
+  "dependencies": {
+    "closure-compiler": "^0.2.12",
+    "google-closure-compiler": "^20200830.0.0"
   }
 }
diff --git a/vendors/knockout/src/binding/defaultBindings/checked.js b/vendors/knockout/src/binding/defaultBindings/checked.js
index a0b566412..98fec5e6f 100644
--- a/vendors/knockout/src/binding/defaultBindings/checked.js
+++ b/vendors/knockout/src/binding/defaultBindings/checked.js
@@ -1,14 +1,14 @@
 (function() {
 
 function addOrRemoveItem(array, value, included) {
-	var existingEntryIndex = ko.utils.arrayIndexOf(ko.utils.peekObservable(array), value);
-	if (existingEntryIndex < 0) {
-		if (included)
-			array.push(value);
-	} else {
-		if (!included)
-			array.splice(existingEntryIndex, 1);
-	}
+    var existingEntryIndex = ko.utils.arrayIndexOf(ko.utils.peekObservable(array), value);
+    if (existingEntryIndex < 0) {
+        if (included)
+            array.push(value);
+    } else {
+        if (!included)
+            array.splice(existingEntryIndex, 1);
+    }
 }
 
 ko.bindingHandlers['checked'] = {
diff --git a/vendors/knockout/src/binding/defaultBindings/css.js b/vendors/knockout/src/binding/defaultBindings/css.js
index 863752ea4..6ca392a86 100644
--- a/vendors/knockout/src/binding/defaultBindings/css.js
+++ b/vendors/knockout/src/binding/defaultBindings/css.js
@@ -3,12 +3,12 @@ var classesWrittenByBindingKey = '__ko__cssValue';
 // For details on the pattern for changing node classes
 // see: https://github.com/knockout/knockout/issues/1597
 function toggleDomNodeCssClass(node, classNames, shouldHaveClass) {
-	if (classNames) {
-		var addOrRemoveFn = shouldHaveClass ? 'add' : 'remove';
-		classNames.split(/\s+/).forEach(function(className) {
-			node.classList[addOrRemoveFn](className);
-		});
-	}
+    if (classNames) {
+        var addOrRemoveFn = shouldHaveClass ? 'add' : 'remove';
+        classNames.split(/\s+/).forEach(function(className) {
+            node.classList[addOrRemoveFn](className);
+        });
+    }
 }
 
 ko.bindingHandlers['class'] = {
diff --git a/vendors/knockout/src/tasks.js b/vendors/knockout/src/tasks.js
index 325880ed4..5475d5bff 100644
--- a/vendors/knockout/src/tasks.js
+++ b/vendors/knockout/src/tasks.js
@@ -24,7 +24,7 @@ ko.tasks = (function () {
                 script = null;
                 callback();
             };
-            document.documentElement.appendChild(script);
+            document.documentElement.append(script);
         };
     } else {
         scheduler = function (callback) {
diff --git a/vendors/knockout/src/utils.domManipulation.js b/vendors/knockout/src/utils.domManipulation.js
index 04be0c499..26253cf6f 100644
--- a/vendors/knockout/src/utils.domManipulation.js
+++ b/vendors/knockout/src/utils.domManipulation.js
@@ -44,7 +44,7 @@
             // Note that innerShiv is deprecated in favour of html5shiv. We should consider adding
             // support for html5shiv (except if no explicit support is needed, e.g., if html5shiv
             // somehow shims the native APIs so it just works anyway)
-            div.appendChild(windowContext['innerShiv'](markup));
+            div.append(windowContext['innerShiv'](markup));
         } else {
             div.innerHTML = markup;
         }
diff --git a/vendors/knockout/src/utils.js b/vendors/knockout/src/utils.js
index c02272412..82d0b325e 100644
--- a/vendors/knockout/src/utils.js
+++ b/vendors/knockout/src/utils.js
@@ -1,4 +1,9 @@
 ko.utils = (function () {
+
+    function arrayCall(name, arr, p1, p2) {
+        return Array.prototype[name].call(arr, p1, p2);
+    }
+
     function objectForEach(obj, action) {
         obj && Object.entries(obj).forEach(function(prop) {
             action(prop[0], prop[1]);
@@ -30,13 +35,11 @@ ko.utils = (function () {
 
     return {
         arrayForEach: function (array, action, actionOwner) {
-            for (var i = 0, j = array.length; i < j; i++) {
-                action.call(actionOwner, array[i], i, array);
-            }
+            arrayCall('forEach', array, action, actionOwner);
         },
 
         arrayIndexOf: function (array, item) {
-            return Array.prototype.indexOf.call(array, item);
+            return arrayCall('indexOf', array, item);
         },
 
         arrayFirst: function (array, predicate, predicateOwner) {
@@ -58,7 +61,7 @@ ko.utils = (function () {
         },
 
         arrayFilter: function (array, predicate, predicateOwner) {
-            return array ? Array.prototype.filter.call(array, predicate, predicateOwner) : [];
+            return array ? arrayCall('filter', array, predicate, predicateOwner) : [];
         },
 
         arrayPushAll: function (array, valuesToPush) {
@@ -103,25 +106,21 @@ ko.utils = (function () {
             var templateDocument = (nodesArray[0] && nodesArray[0].ownerDocument) || document;
 
             var container = templateDocument.createElement('div');
-            for (var i = 0, j = nodesArray.length; i < j; i++) {
-                container.appendChild(ko.cleanNode(nodesArray[i]));
-            }
+            nodes.forEach(function(node){container.append(ko.cleanNode(node));});
             return container;
         },
 
         cloneNodes: function (nodesArray, shouldCleanNodes) {
-            for (var i = 0, j = nodesArray.length, newNodesArray = []; i < j; i++) {
-                var clonedNode = nodesArray[i].cloneNode(true);
-                newNodesArray.push(shouldCleanNodes ? ko.cleanNode(clonedNode) : clonedNode);
-            }
-            return newNodesArray;
+            return arrayCall('map', nodesArray, shouldCleanNodes
+                ? function(node){return ko.cleanNode(node.cloneNode(true));}
+                : function(node){return node.cloneNode(true);}
+            );
         },
 
         setDomNodeChildren: function (domNode, childNodes) {
             ko.utils.emptyDomNode(domNode);
             if (childNodes) {
-                for (var i = 0, j = childNodes.length; i < j; i++)
-                    domNode.appendChild(childNodes[i]);
+                Element.prototype.append.apply(domNode, childNodes);
             }
         },
 
diff --git a/vendors/knockout/src/virtualElements.js b/vendors/knockout/src/virtualElements.js
index 3fe479e94..13db9fea1 100644
--- a/vendors/knockout/src/virtualElements.js
+++ b/vendors/knockout/src/virtualElements.js
@@ -124,7 +124,7 @@
             }
 
             if (!insertBeforeNode) {
-                containerNode.appendChild(nodeToPrepend);
+                containerNode.append(nodeToPrepend);
             } else if (nodeToPrepend !== insertBeforeNode) {       // IE will sometimes crash if you try to insert a node before itself
                 containerNode.insertBefore(nodeToPrepend, insertBeforeNode);
             }
@@ -142,7 +142,7 @@
                 }
 
                 if (!insertBeforeNode) {
-                    containerNode.appendChild(nodeToInsert);
+                    containerNode.append(nodeToInsert);
                 } else if (nodeToInsert !== insertBeforeNode) {       // IE will sometimes crash if you try to insert a node before itself
                     containerNode.insertBefore(nodeToInsert, insertBeforeNode);
                 }
@@ -206,7 +206,7 @@
                                 if (nodeToInsertBefore)
                                     elementVerified.insertBefore(unbalancedTags[i], nodeToInsertBefore);
                                 else
-                                    elementVerified.appendChild(unbalancedTags[i]);
+                                    elementVerified.append(unbalancedTags[i]);
                             }
                         }
                     }
diff --git a/webpack.config.builder.js b/webpack.config.builder.js
index 79830d45e..35fe3dd43 100644
--- a/webpack.config.builder.js
+++ b/webpack.config.builder.js
@@ -7,6 +7,9 @@ const devPathJoin = path.join(__dirname, 'dev');
 const externalPathJoin = path.join(__dirname, 'dev', 'External');
 const loose = true;
 
+//npm install closure-webpack-plugin google-closure-compiler
+//const ClosurePlugin = require('closure-webpack-plugin');
+
 const babelLoaderOptions = function() {
 	return {
 		ignore: [/\/core-js/],
@@ -63,6 +66,22 @@ module.exports = function(publicPath, pro, mode) {
 		optimization: {
 			concatenateModules: false,
 			minimize: false
+/*
+			,minimizer: [
+				new ClosurePlugin({mode: 'STANDARD'}, {
+					language_in:'ECMASCRIPT6',
+					language_out:'ECMASCRIPT6',
+					compilation_level: 'ADVANCED_OPTIMIZATIONS'
+					// compiler flags here
+					//
+					// for debugging help, try these:
+					//
+					// formatting: 'PRETTY_PRINT'
+					// debug: true,
+					// renaming: false
+				})
+			]
+*/
 		},
 		plugins: [
 //			new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),