diff --git a/README.md b/README.md
index 880babb4..4cfcefe0 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ Now you can access the running site from your browser: http://127.0.0.1:9292
 
 If you'd like to fix a bug, or make an improvement, or add a new feature, it's easy! Just send us a Pull Request.
 
-1. Fork it (<http://github.com/YOURUSERNAME/neocities/fork>)
+1. Fork it (https://github.com/neocities/neocities/fork)
 2. Create your feature branch (`git checkout -b my-new-feature`)
 3. Commit your changes (`git commit -am 'Add some feature'`)
 4. Push to the branch (`git push origin my-new-feature`)
diff --git a/models/site.rb b/models/site.rb
index d96eb4a5..784c6f97 100644
--- a/models/site.rb
+++ b/models/site.rb
@@ -47,7 +47,7 @@ class Site < Sequel::Model
   }
 
   VALID_EDITABLE_EXTENSIONS = %w{
-    html htm txt js css scss md manifest less webmanifest xml json opml rdf
+    html htm txt js css scss md manifest less webmanifest xml json opml rdf svg
   }
 
   MINIMUM_PASSWORD_LENGTH = 5
diff --git a/public/js/news/profile_comment.js b/public/js/news/profile_comment.js
index 13c7d533..21e535cc 100644
--- a/public/js/news/profile_comment.js
+++ b/public/js/news/profile_comment.js
@@ -1,7 +1,7 @@
 var ProfileComment = {
   displayEditor: function(eventId) {
-    var commentDiv = $('#event_'+eventId+' div.content')
-    var eventActions = $('#event_'+eventId+'_actions')
+    var commentDiv = $('#event_'+eventId+' div.content').first()
+    var eventActions = $('#event_'+eventId+'_actions').first()
 
     eventActions.find('a#editLink').css('display', 'none')
 
@@ -10,15 +10,14 @@ var ProfileComment = {
   },
 
   cancelEditor: function(eventId) {
-    var eventActions = $('#event_'+eventId+'_actions')
-    var commentDiv = $('#event_'+eventId+' div.content')
+    var eventActions = $('#event_'+eventId+'_actions').first()
+    var commentDiv = $('#event_'+eventId+' div.content').first()
     eventActions.find('a#editLink').css('display', 'inline')
     commentDiv.text(commentDiv.find('textarea').text())
   },
 
   update: function(eventId, csrfToken) {
-    var eventActions = $('#event_'+eventId+'_actions')
-    var commentDiv = $('#event_'+eventId+' div.content')
+    var commentDiv = $('#event_'+eventId+' div.content').first()
     var self = this
     console.log(commentDiv.find('textarea').val())
     $.post('/event/'+eventId+'/update_profile_comment', {
diff --git a/views/dashboard.erb b/views/dashboard.erb
index 8c865279..85f0e894 100644
--- a/views/dashboard.erb
+++ b/views/dashboard.erb
@@ -71,6 +71,11 @@
       <div id="progressBar" class="progress-bar" style="display: none"><div id="uploadingProgress" class="progress" style="width: 0%"></div></div>
     </div>
   </div>
+  <div id="movingOverlay" class="uploading-overlay" style="display: none">
+    <div class="uploading">
+        <p>Moving file, please wait...</p>
+    </div>
+  </div>
   <div class="header">
     <div class="btn-group" role="group" aria-label="...">
       <button type="button" class="btn btn-default iconview-button" title="Icon View" onclick="iconView()"><i class="fa fa-th"></i></button>
@@ -119,7 +124,7 @@
                 <div class="overlay"></div>
               </div>
             <% elsif file[:is_directory] %>
-              <div class="html-thumbnail folder fileimagehover">
+              <div class="html-thumbnail folder fileimagehover" ondrop="moveFileToFolder(event)">
                 <div class="folder-icon"></div>
                 <div class="overlay"></div>
               </div>
@@ -272,6 +277,55 @@
 <script src="/js/dropzone.min.js"></script>
 <script>
 
+  var uploadForm = $('#uploadFilesButtonForm')[0];
+  var deleteForm = $('#deleteFilenameForm')[0];
+
+  function moveFileToFolder(event) {
+    var link = event.dataTransfer.getData("Text");
+    if(link) link = link.trim();
+    if(!link || link.startsWith('https://neocities.org/dashboard')) return;
+    event.preventDefault();
+    var name = link.split('.neocities.org/').slice(1).join('.neocities.org/');
+    var oReq = new XMLHttpRequest();
+    oReq.open("GET", "/site_files/download/" + name, true);
+    oReq.responseType = "arraybuffer";
+    
+    $('#movingOverlay').css('display', 'block')
+
+    oReq.onload = function() {
+      var newFile = new File([oReq.response], name);
+      var dataTransfer = new DataTransfer();
+      var currentFolder = new URL(location.href).searchParams.get('dir');
+      if(!currentFolder) currentFolder = '';
+      else currentFolder = currentFolder + '/';
+
+      dataTransfer.items.add(newFile);
+      $('#uploadFilesButtonForm > input[name="dir"]')[0].value = currentFolder + event.target.parentElement.parentElement.getElementsByClassName('title')[0].innerText.trim();
+      $('#uploadFiles')[0].files = dataTransfer.files;
+      $.ajax({
+        type: uploadForm.method,
+        url: uploadForm.action,
+        data: new FormData(uploadForm),
+        processData: false,
+        contentType: false,
+        success: function() {
+          let csrf = $('#uploadFilesButtonForm > input[name="csrf_token"]')[0].value;
+          var dReq = new XMLHttpRequest();
+          dReq.open(deleteForm.method, deleteForm.action, true);
+          dReq.onload = function() {
+            location.reload()
+          }
+          dReq.setRequestHeader("content-type", 'application/x-www-form-urlencoded');
+          dReq.send("csrf_token=" + encodeURIComponent(csrf) + "&filename=" + name.replace(/\s/g, '+'));
+        },
+        error: function() {
+          location.reload()
+        }
+      });
+    };
+    oReq.send();
+  }
+
   function confirmFileRename(path) {
     console.log(path)
     $('#renamePathInput').val(path);
diff --git a/views/site_files/text_editor.erb b/views/site_files/text_editor.erb
index 35c439e6..9a5f7a79 100644
--- a/views/site_files/text_editor.erb
+++ b/views/site_files/text_editor.erb
@@ -183,6 +183,7 @@
       editor.setBehavioursEnabled(false)
 
       editor.setValue(resp, -1)
+      editor.getSession().setUndoManager(new ace.UndoManager())
 
       editor.on('change', function(obj) {
         $('a#saveButton,a#saveAndExitButton').css('opacity', 1)
diff --git a/views/tutorials.erb b/views/tutorials.erb
index bcd11835..c960252b 100644
--- a/views/tutorials.erb
+++ b/views/tutorials.erb
@@ -69,6 +69,9 @@
     <li>
       <a href="https://bulma.io/" title="Bulma: The Framework Built on Flexbox" target="_blank">Bulma</a>
     </li>
+    <li>
+      <a href="https://chrisnager.github.io/ungrid/" title="ungrid: the simplest responsive css grid">ungird</a>
+    </li>
   </ul>
 
   <h3>JavaScript</h3>
@@ -95,6 +98,10 @@
     </li>
     <li>
       <a href="https://www.gatsbyjs.org/">Gatsby</a>
+    </li>
+    <li>
+      <a href="https://v2.vuepress.vuejs.org/">VuePress</a>
+    </li>
   </ul>
 
   <h3>WebGL</h3>