diff --git a/build/NuSpecs/UmbracoCms.Core.nuspec b/build/NuSpecs/UmbracoCms.Core.nuspec
index bb05e91b96..477bb143f9 100644
--- a/build/NuSpecs/UmbracoCms.Core.nuspec
+++ b/build/NuSpecs/UmbracoCms.Core.nuspec
@@ -41,7 +41,6 @@
                 <dependency id="Microsoft.Extensions.DependencyInjection" version="[3.1.2,3.999999)" />
                 <dependency id="Microsoft.Extensions.Configuration.Abstractions" version="[3.1.2,3.999999)" />
                 <dependency id="Microsoft.Extensions.Identity.Stores" version="[3.1.2,3.999999)" />
-                <dependency id="Microsoft.SourceLink.GitHub" version="[1.0.0,1.999999)" />
                 <dependency id="MiniProfiler.Shared" version="[4.1.0,4.999999)" />
                 <dependency id="Newtonsoft.Json" version="[12.0.3,12.999999)" />
                 <dependency id="NPoco" version="[4.0.2,4.999999)" />
diff --git a/src/Umbraco.Examine.Lucene/ExamineLuceneComposer.cs b/src/Umbraco.Examine.Lucene/ExamineLuceneComposer.cs
index 724149a01d..b7d9cde9d1 100644
--- a/src/Umbraco.Examine.Lucene/ExamineLuceneComposer.cs
+++ b/src/Umbraco.Examine.Lucene/ExamineLuceneComposer.cs
@@ -1,4 +1,5 @@
-using Umbraco.Core;
+using System.Runtime.InteropServices;
+using Umbraco.Core;
 using Umbraco.Core.Composing;
 
 namespace Umbraco.Examine
@@ -10,6 +11,10 @@ namespace Umbraco.Examine
     {
         public override void Compose(Composition composition)
         {
+            var isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
+            if(!isWindows) return;
+
+
             base.Compose(composition);
 
             composition.RegisterUnique<IBackOfficeExamineSearcher, BackOfficeExamineSearcher>();
diff --git a/src/Umbraco.Infrastructure/Search/ExamineComposer.cs b/src/Umbraco.Infrastructure/Search/ExamineComposer.cs
index e22cef685a..68a1213629 100644
--- a/src/Umbraco.Infrastructure/Search/ExamineComposer.cs
+++ b/src/Umbraco.Infrastructure/Search/ExamineComposer.cs
@@ -1,6 +1,4 @@
-using System.Collections.Generic;
-using Examine;
-using Umbraco.Core;
+using Umbraco.Core;
 using Umbraco.Core.Composing;
 using Umbraco.Core.Models;
 using Umbraco.Core.PropertyEditors;
diff --git a/src/Umbraco.Web.UI.Client/gulp/tasks/views.js b/src/Umbraco.Web.UI.Client/gulp/tasks/views.js
index acfe8eb671..ab6d0c8d61 100644
--- a/src/Umbraco.Web.UI.Client/gulp/tasks/views.js
+++ b/src/Umbraco.Web.UI.Client/gulp/tasks/views.js
@@ -2,6 +2,7 @@
 
 var config = require('../config');
 var gulp = require('gulp');
+var rename = require('gulp-rename');
 
 var _ = require('lodash');
 var MergeStream = require('merge-stream');
@@ -12,15 +13,19 @@ function views() {
 
     _.forEach(config.sources.views, function (group) {
 
-      
+        var task = gulp.src(group.files)
+            .pipe(rename(function(path) {
+               path.dirname = path.dirname.toLowerCase();
+               path.basename = path.basename.toLowerCase();
+               path.extname = path.extname.toLowerCase();
+             }));
 
-        var task = gulp.src(group.files);
-        
         _.forEach(config.roots, function(root){
-            console.log("copying " + group.files + " to " + root + config.targets.views + group.folder)
-            task = task.pipe( gulp.dest(root + config.targets.views + group.folder));    
+            var destPath = root + config.targets.views + group.folder;
+            console.log("copying " + group.files + " to " + destPath)
+            task = task.pipe( gulp.dest(destPath));
         })
-        
+
         stream.add (task);
 
     });
diff --git a/src/Umbraco.Web.UI.Client/gulp/tasks/watchTask.js b/src/Umbraco.Web.UI.Client/gulp/tasks/watchTask.js
index 744481391a..7afb8d363f 100644
--- a/src/Umbraco.Web.UI.Client/gulp/tasks/watchTask.js
+++ b/src/Umbraco.Web.UI.Client/gulp/tasks/watchTask.js
@@ -4,6 +4,7 @@ const config = require('../config');
 const {watch, series, parallel, dest, src} = require('gulp');
 
 var _ = require('lodash');
+var rename = require('gulp-rename');
 var MergeStream = require('merge-stream');
 
 var processJs = require('../util/processJs');
@@ -12,9 +13,9 @@ var processLess = require('../util/processLess');
 var {js} = require('./js');
 
 function watchTask(cb) {
-    
+
     var watchInterval = 500;
-    
+
     //Setup a watcher for all groups of JS files
     _.forEach(config.sources.js, function (group) {
         if(group.watch !== false) {
@@ -36,11 +37,17 @@ function watchTask(cb) {
             viewWatcher = watch(group.files, { ignoreInitial: true, interval: watchInterval },
                 parallel(
                     function MoveViewsAndRegenerateJS() {
-                        var task = src(group.files);
+                        var task = src(group.files)
+                                 .pipe(rename(function(path) {
+                                        path.dirname = path.dirname.toLowerCase();
+                                        path.basename = path.basename.toLowerCase();
+                                        path.extname = path.extname.toLowerCase();
+                                     }));
 
                         _.forEach(config.roots, function(root){
-                            console.log("copying " + group.files + " to " + root + config.targets.views + group.folder);
-                            task = task.pipe( dest(root + config.targets.views + group.folder) );
+                            var destPath = root + config.targets.views + group.folder;
+                            console.log("copying " + group.files + " to " + destPath);
+                            task = task.pipe( dest(destPath) );
                         });
                     },
                     js
diff --git a/src/Umbraco.Web.UI.Client/src/common/services/clipboard.service.js b/src/Umbraco.Web.UI.Client/src/common/services/clipboard.service.js
index cb583546a5..0d2ca6623b 100644
--- a/src/Umbraco.Web.UI.Client/src/common/services/clipboard.service.js
+++ b/src/Umbraco.Web.UI.Client/src/common/services/clipboard.service.js
@@ -11,13 +11,13 @@
  *
  */
 function clipboardService(notificationsService, eventsService, localStorageService, iconHelper) {
-    
+
 
     var clearPropertyResolvers = [];
 
-    
+
     var STORAGE_KEY = "umbClipboardService";
-    
+
     var retriveStorage = function() {
         if (localStorageService.isSupported === false) {
             return null;
@@ -27,32 +27,32 @@ function clipboardService(notificationsService, eventsService, localStorageServi
         if (dataString != null) {
             dataJSON = JSON.parse(dataString);
         }
-        
+
         if(dataJSON == null) {
             dataJSON = new Object();
         }
-        
+
         if(dataJSON.entries === undefined) {
             dataJSON.entries = [];
         }
-        
+
         return dataJSON;
     }
-    
+
     var saveStorage = function(storage) {
         var storageString = JSON.stringify(storage);
-        
+
         try {
             var storageJSON = JSON.parse(storageString);
             localStorageService.set(STORAGE_KEY, storageString);
-            
+
             eventsService.emit("clipboardService.storageUpdate");
-            
+
             return true;
         } catch(e) {
             return false;
         }
-        
+
         return false;
     }
 
@@ -86,17 +86,17 @@ function clipboardService(notificationsService, eventsService, localStorageServi
 
     var isEntryCompatible = function(entry, type, allowedAliases) {
         return entry.type === type
-        && 
+        &&
         (
             (entry.alias && allowedAliases.filter(allowedAlias => allowedAlias === entry.alias).length > 0)
-            || 
+            ||
             (entry.aliases && entry.aliases.filter(entryAlias => allowedAliases.filter(allowedAlias => allowedAlias === entryAlias).length > 0).length === entry.aliases.length)
         );
     }
-    
-    
+
+
     var service = {};
-    
+
 
     /**
     * @ngdoc method
@@ -160,29 +160,29 @@ function clipboardService(notificationsService, eventsService, localStorageServi
     * Saves a single JS-object with a type and alias to the clipboard.
     */
     service.copy = function(type, alias, data, displayLabel, displayIcon, uniqueKey, firstLevelClearupMethod) {
-        
+
         var storage = retriveStorage();
 
         displayLabel = displayLabel || data.name;
         displayIcon = displayIcon || iconHelper.convertFromLegacyIcon(data.icon);
         uniqueKey = uniqueKey || data.key || console.error("missing unique key for this content");
-        
+
         // remove previous copies of this entry:
         storage.entries = storage.entries.filter(
             (entry) => {
                 return entry.unique !== uniqueKey;
             }
         );
-        
-        var entry = {unique:uniqueKey, type:type, alias:alias, data:prepareEntryForStorage(data, firstLevelClearupMethod), label:displayLabel, icon:displayIcon};
+
+        var entry = {unique:uniqueKey, type:type, alias:alias, data:prepareEntryForStorage(data, firstLevelClearupMethod), label:displayLabel, icon:displayIcon, date:Date.now()};
         storage.entries.push(entry);
-        
+
         if (saveStorage(storage) === true) {
             notificationsService.success("Clipboard", "Copied to clipboard.");
         } else {
             notificationsService.error("Clipboard", "Couldnt copy this data to clipboard.");
         }
-        
+
     };
 
 
@@ -203,32 +203,31 @@ function clipboardService(notificationsService, eventsService, localStorageServi
     * Saves a single JS-object with a type and alias to the clipboard.
     */
     service.copyArray = function(type, aliases, datas, displayLabel, displayIcon, uniqueKey, firstLevelClearupMethod) {
-        
+
         var storage = retriveStorage();
-        
+
         // Clean up each entry
         var copiedDatas = datas.map(data => prepareEntryForStorage(data, firstLevelClearupMethod));
-        
+
         // remove previous copies of this entry:
         storage.entries = storage.entries.filter(
             (entry) => {
                 return entry.unique !== uniqueKey;
             }
         );
-        
-        var entry = {unique:uniqueKey, type:type, aliases:aliases, data:copiedDatas, label:displayLabel, icon:displayIcon};
 
+        var entry = {unique:uniqueKey, type:type, aliases:aliases, data:copiedDatas, label:displayLabel, icon:displayIcon, date:Date.now()};
         storage.entries.push(entry);
-        
+
         if (saveStorage(storage) === true) {
             notificationsService.success("Clipboard", "Copied to clipboard.");
         } else {
             notificationsService.error("Clipboard", "Couldnt copy this data to clipboard.");
         }
-        
+
     };
-    
-    
+
+
     /**
     * @ngdoc method
     * @name umbraco.services.supportsCopy#supported
@@ -240,7 +239,7 @@ function clipboardService(notificationsService, eventsService, localStorageServi
     service.isSupported = function() {
         return localStorageService.isSupported;
     };
-    
+
     /**
     * @ngdoc method
     * @name umbraco.services.supportsCopy#hasEntriesOfType
@@ -253,14 +252,14 @@ function clipboardService(notificationsService, eventsService, localStorageServi
     * Determines whether the current clipboard has entries that match a given type and one of the aliases.
     */
     service.hasEntriesOfType = function(type, aliases) {
-        
+
         if(service.retriveEntriesOfType(type, aliases).length > 0) {
             return true;
         }
-        
+
         return false;
     };
-    
+
     /**
     * @ngdoc method
     * @name umbraco.services.supportsCopy#retriveEntriesOfType
@@ -268,24 +267,24 @@ function clipboardService(notificationsService, eventsService, localStorageServi
     *
     * @param {string} type A string defining the type of data to recive.
     * @param {string} aliases A array of strings providing the alias of the data you want to recive.
-    * 
+    *
     * @description
     * Returns an array of entries matching the given type and one of the provided aliases.
     */
     service.retriveEntriesOfType = function(type, allowedAliases) {
-        
+
         var storage = retriveStorage();
-        
+
         // Find entries that are fulfilling the criteria for this nodeType and nodeTypesAliases.
         var filteretEntries = storage.entries.filter(
             (entry) => {
                 return isEntryCompatible(entry, type, allowedAliases);
             }
         );
-        
+
         return filteretEntries;
     };
-    
+
     /**
     * @ngdoc method
     * @name umbraco.services.supportsCopy#retriveEntriesOfType
@@ -293,14 +292,14 @@ function clipboardService(notificationsService, eventsService, localStorageServi
     *
     * @param {string} type A string defining the type of data to recive.
     * @param {string} aliases A array of strings providing the alias of the data you want to recive.
-    * 
+    *
     * @description
     * Returns an array of data of entries matching the given type and one of the provided aliases.
     */
     service.retriveDataOfType = function(type, aliases) {
         return service.retriveEntriesOfType(type, aliases).map((x) => x.data);
     };
-    
+
     /**
     * @ngdoc method
     * @name umbraco.services.supportsCopy#retriveEntriesOfType
@@ -308,12 +307,12 @@ function clipboardService(notificationsService, eventsService, localStorageServi
     *
     * @param {string} type A string defining the type of data to remove.
     * @param {string} aliases A array of strings providing the alias of the data you want to remove.
-    * 
+    *
     * @description
     * Removes entries matching the given type and one of the provided aliases.
     */
     service.clearEntriesOfType = function(type, allowedAliases) {
-        
+
         var storage = retriveStorage();
 
         // Find entries that are NOT fulfilling the criteria for this nodeType and nodeTypesAliases.
@@ -322,14 +321,14 @@ function clipboardService(notificationsService, eventsService, localStorageServi
                 return !isEntryCompatible(entry, type, allowedAliases);
             }
         );
-        
+
         storage.entries = filteretEntries;
 
         saveStorage(storage);
     };
-    
-    
-    
+
+
+
     return service;
 }
 
diff --git a/src/Umbraco.Web.UI.Client/src/common/services/navigation.service.js b/src/Umbraco.Web.UI.Client/src/common/services/navigation.service.js
index 2a5d182a59..0907538b24 100644
--- a/src/Umbraco.Web.UI.Client/src/common/services/navigation.service.js
+++ b/src/Umbraco.Web.UI.Client/src/common/services/navigation.service.js
@@ -320,7 +320,7 @@ function navigationService($routeParams, $location, $q, $injector, eventsService
             appState.setGlobalState("showTray", false);
         },
 
-        /**     
+        /**
          * @ngdoc method
          * @name umbraco.services.navigationService#syncTree
          * @methodOf umbraco.services.navigationService
@@ -353,14 +353,14 @@ function navigationService($routeParams, $location, $q, $injector, eventsService
             });
         },
 
-        /**     
+        /**
          * @ngdoc method
          * @name umbraco.services.navigationService#hasTree
          * @methodOf umbraco.services.navigationService
          *
          * @description
          * Checks if a tree with the given alias exists.
-         * 
+         *
          * @param {String} treeAlias the tree alias to check
          */
         hasTree: function (treeAlias) {
@@ -629,12 +629,12 @@ function navigationService($routeParams, $location, $q, $injector, eventsService
         getTreeTemplateUrl: function (treeAlias, action) {
             var packageTreeFolder = treeService.getTreePackageFolder(treeAlias);
             if (packageTreeFolder) {
-                return Umbraco.Sys.ServerVariables.umbracoSettings.appPluginsPath +
+                return (Umbraco.Sys.ServerVariables.umbracoSettings.appPluginsPath +
                     "/" + packageTreeFolder +
-                    "/backoffice/" + treeAlias + "/" + action + ".html";
+                    "/backoffice/" + treeAlias + "/" + action + ".html").toLowerCase();
             }
             else {
-                return "views/" + treeAlias + "/" + action + ".html";
+                return ("views/" + treeAlias + "/" + action + ".html").toLowerCase();;
             }
         },
 
diff --git a/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umb-block-card-grid.less b/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umb-block-card-grid.less
index e4953999fd..58794461df 100644
--- a/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umb-block-card-grid.less
+++ b/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umb-block-card-grid.less
@@ -9,7 +9,7 @@
     /* Grid Setup */
     display: grid;
     grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
-    grid-auto-rows: minmax(200px, auto);
+    grid-auto-rows: minmax(160px, auto);
     grid-gap: 20px;
     
 }
diff --git a/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umb-block-card.html b/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umb-block-card.html
index 486bcbda4a..c9cfcb825e 100644
--- a/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umb-block-card.html
+++ b/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umb-block-card.html
@@ -1,6 +1,6 @@
 
-    <div class="__showcase" ng-style="{'background-color':vm.blockConfigModel.backgroundColor, 'background-image': vm.blockConfigModel.thumbnail ? 'url('+vm.blockConfigModel.thumbnail+'?upscale=false&width=400)' : 'transparent'}">
-        <i ng-if="vm.blockConfigModel.thumbnail == null && vm.elementTypeModel.icon" class="__icon {{ vm.elementTypeModel.icon }}" ng-style="{'color':vm.blockConfigModel.iconColor}" aria-hidden="true"></i>
+    <div class="__showcase" ng-style="{'background-color':vm.blockConfigModel.backgroundColor, 'background-image': vm.styleBackgroundImage}">
+        <i ng-if="vm.blockConfigModel.thumbnail == null && vm.elementTypeModel.icon" class="__icon {{ vm.elementTypeModel.icon }}" ng-attr-style="{{'color:'+vm.blockConfigModel.iconColor+' !important'}}" aria-hidden="true"></i>
     </div>
     <div class="__info">
         <div class="__name" ng-bind="vm.elementTypeModel.name"></div>
diff --git a/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umb-block-card.less b/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umb-block-card.less
index d1cde628e4..3afa32d099 100644
--- a/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umb-block-card.less
+++ b/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umb-block-card.less
@@ -75,14 +75,14 @@ umb-block-card {
     .__info {
         width: 100%;
         background-color: #fff;
-        padding-bottom: 6px;
+        padding-bottom: 11px;// 10 + 1 to compentiate for the -1 substraction in margin-bottom.
 
         .__name {
             font-weight: bold;
             font-size: 14px;
             color: @ui-action-type;
             margin-left: 16px;
-            margin-top: 8px;
+            margin-top: 10px;
             margin-bottom: -1px;
         }
         .__subname {
diff --git a/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umbBlockCard.component.js b/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umbBlockCard.component.js
index c0758aa2df..761e7c28ae 100644
--- a/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umbBlockCard.component.js
+++ b/src/Umbraco.Web.UI.Client/src/views/components/blockcard/umbBlockCard.component.js
@@ -14,9 +14,38 @@
             }
         });
 
-    function BlockCardController() {
+    function BlockCardController($scope, umbRequestHelper) {
 
         var vm = this;
+        vm.styleBackgroundImage = "none";
+
+        var unwatch = $scope.$watch("vm.blockConfigModel.thumbnail", (newValue, oldValue) => {
+            if(newValue !== oldValue) {
+                vm.updateThumbnail();
+            }
+        });
+
+        vm.$onInit = function () {
+
+            vm.updateThumbnail();
+
+        }
+        vm.$onDestroy = function () {
+            unwatch();
+        }
+
+        vm.updateThumbnail = function () {
+            if (vm.blockConfigModel.thumbnail == null || vm.blockConfigModel.thumbnail === "") {
+                vm.styleBackgroundImage = "none";
+                return;
+            }
+
+            var path = umbRequestHelper.convertVirtualToAbsolutePath(vm.blockConfigModel.thumbnail);
+            if (path.toLowerCase().endsWith(".svg") === false) {
+                path += "?upscale=false&width=400";
+            }
+            vm.styleBackgroundImage = 'url(\''+path+'\')';
+        }
 
     }
 
diff --git a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/blocklist/prevalue/blocklist.blockconfiguration.less b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/blocklist/prevalue/blocklist.blockconfiguration.less
index f4d9caa73b..878f6a8ef8 100644
--- a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/blocklist/prevalue/blocklist.blockconfiguration.less
+++ b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/blocklist/prevalue/blocklist.blockconfiguration.less
@@ -4,7 +4,7 @@
         position: relative;
         display: inline-flex;
         width: 100%;
-        height: auto;
+        height: 100%;
         margin-right: 20px;
         margin-bottom: 20px;
 
diff --git a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/blocklist/umbBlockListPropertyEditor.component.js b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/blocklist/umbBlockListPropertyEditor.component.js
index 489c1353ff..d3099154c7 100644
--- a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/blocklist/umbBlockListPropertyEditor.component.js
+++ b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/blocklist/umbBlockListPropertyEditor.component.js
@@ -456,6 +456,7 @@
                 blockPickerModel.clipboardItems.push(
                     {
                         type: "elementType",
+                        date: entry.date,
                         pasteData: entry.data,
                         blockConfigModel: modelObject.getScaffoldFromAlias(entry.alias),
                         elementTypeModel: {
@@ -471,6 +472,7 @@
                 blockPickerModel.clipboardItems.push(
                     {
                         type: "elementTypeArray",
+                        date: entry.date,
                         pasteData: entry.data,
                         blockConfigModel: {}, // no block configuration for paste items of elementTypeArray.
                         elementTypeModel: {
@@ -481,6 +483,10 @@
                 );
             });
 
+            blockPickerModel.clipboardItems.sort( (a, b) => {
+                return b.date - a.date
+            });
+
             // open block picker overlay
             editorService.open(blockPickerModel);
 
diff --git a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/nestedcontent/nestedcontent.controller.js b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/nestedcontent/nestedcontent.controller.js
index 11a3b58c55..4aa1ed2af2 100644
--- a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/nestedcontent/nestedcontent.controller.js
+++ b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/nestedcontent/nestedcontent.controller.js
@@ -27,7 +27,7 @@
                 }
             }
         }
-        
+
         clipboardService.registrerClearPropertyResolver(clearNestedContentPropertiesForStorage)
 
 
@@ -49,7 +49,7 @@
                 }
             }
         }
-        
+
         clipboardService.registrerClearPropertyResolver(clearInnerNestedContentPropertiesForStorage)
     }]);
 
@@ -187,7 +187,7 @@
         };
 
         vm.openNodeTypePicker = function ($event) {
-            
+
             if (vm.nodes.length >= vm.maxItems) {
                 return;
             }
@@ -243,6 +243,7 @@
             _.each(singleEntriesForPaste, function (entry) {
                 dialog.pasteItems.push({
                     type: "elementType",
+                    date: entry.date,
                     name: entry.label,
                     data: entry.data,
                     icon: entry.icon
@@ -253,6 +254,7 @@
             _.each(arrayEntriesForPaste, function (entry) {
                 dialog.pasteItems.push({
                     type: "elementTypeArray",
+                    date: entry.date,
                     name: entry.label,
                     data: entry.data,
                     icon: entry.icon