diff --git a/babel.config.js b/babel.config.js
index c9649cff6..aa46dc120 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -6,5 +6,6 @@ module.exports = {
   ],
   plugins: [
     '@babel/plugin-syntax-dynamic-import',
+    '@babel/plugin-transform-runtime',
   ],
 }
diff --git a/examples/Components/Routes/Suggestions/index.vue b/examples/Components/Routes/Suggestions/index.vue
index 84bd2e632..acdea1eb9 100644
--- a/examples/Components/Routes/Suggestions/index.vue
+++ b/examples/Components/Routes/Suggestions/index.vue
@@ -63,16 +63,21 @@ export default {
           new Heading({ levels: [1, 2, 3] }),
           new Mention({
             // a list of all suggested items
-            items: () => [
-              { id: 1, name: 'Sven Adlung' },
-              { id: 2, name: 'Patrick Baber' },
-              { id: 3, name: 'Nick Hirche' },
-              { id: 4, name: 'Philip Isik' },
-              { id: 5, name: 'Timo Isik' },
-              { id: 6, name: 'Philipp Kühn' },
-              { id: 7, name: 'Hans Pagel' },
-              { id: 8, name: 'Sebastian Schrama' },
-            ],
+            items: async () => {
+              await new Promise(resolve => {
+                setTimeout(resolve, 500)
+              })
+              return [
+                { id: 1, name: 'Sven Adlung' },
+                { id: 2, name: 'Patrick Baber' },
+                { id: 3, name: 'Nick Hirche' },
+                { id: 4, name: 'Philip Isik' },
+                { id: 5, name: 'Timo Isik' },
+                { id: 6, name: 'Philipp Kühn' },
+                { id: 7, name: 'Hans Pagel' },
+                { id: 8, name: 'Sebastian Schrama' },
+              ]
+            },
             // is called when a suggestion starts
             onEnter: ({
               items, query, range, command, virtualNode,
@@ -128,11 +133,15 @@ export default {
             // this function is optional because there is basic filtering built-in
             // you can overwrite it if you prefer your own filtering
             // in this example we use fuse.js with support for fuzzy search
-            onFilter: (items, query) => {
+            onFilter: async (items, query) => {
               if (!query) {
                 return items
               }
 
+              await new Promise(resolve => {
+                setTimeout(resolve, 500)
+              })
+
               const fuse = new Fuse(items, {
                 threshold: 0.2,
                 keys: ['name'],
diff --git a/examples/helpers/svg-sprite-loader.js b/examples/helpers/svg-sprite-loader.js
index db9be4765..763810a06 100644
--- a/examples/helpers/svg-sprite-loader.js
+++ b/examples/helpers/svg-sprite-loader.js
@@ -1,80 +1,73 @@
-;(function(window, document) {
-  'use strict';
+'use strict';
 
-  var isSvg = document.createElementNS && document.createElementNS( 'http://www.w3.org/2000/svg', 'svg' ).createSVGRect;
-  var localStorage = 'localStorage' in window && window['localStorage'] !== null ? window.localStorage : false;
+var isSvg = document.createElementNS && document.createElementNS( 'http://www.w3.org/2000/svg', 'svg' ).createSVGRect;
+var localStorage = 'localStorage' in window && window['localStorage'] !== null ? window.localStorage : false;
 
-  function svgSpriteInjector(source, opts) {
-    var file;
-    opts = opts || {};
+function svgSpriteInjector(source, opts) {
+  var file;
+  opts = opts || {};
 
-    if (source instanceof Node) {
-      file = source.getAttribute('data-svg-sprite');
-      opts.revision = source.getAttribute('data-svg-sprite-revision') || opts.revision;
-    } else if (typeof source === 'string') {
-      file = source;
-    }
+  if (source instanceof Node) {
+    file = source.getAttribute('data-svg-sprite');
+    opts.revision = source.getAttribute('data-svg-sprite-revision') || opts.revision;
+  } else if (typeof source === 'string') {
+    file = source;
+  }
 
-    if (isSvg) {
-      if (file) {
-        injector(file, opts);
-      } else {
-        console.error('svg-sprite-injector: undefined sprite filename!');
-      }
+  if (isSvg) {
+    if (file) {
+      injector(file, opts);
     } else {
-      console.error('svg-sprite-injector require ie9 or greater!');
+      console.error('svg-sprite-injector: undefined sprite filename!');
+    }
+  } else {
+    console.error('svg-sprite-injector require ie9 or greater!');
+  }
+};
+
+function injector(filepath, opts) {
+  var name = 'injectedSVGSprite' + filepath,
+    revision = opts.revision,
+    request;
+
+  // localStorage cache
+  if (revision !== undefined && localStorage && localStorage[name + 'Rev'] == revision) {
+    return injectOnLoad(localStorage[name]);
+  }
+
+  // Async load
+  request = new XMLHttpRequest();
+  request.open('GET', filepath, true);
+  request.onreadystatechange = function (e) {
+    var data;
+
+    if (request.readyState === 4 && request.status >= 200 && request.status < 400) {
+      injectOnLoad(data = request.responseText);
+      if (revision !== undefined && localStorage) {
+        localStorage[name] = data;
+        localStorage[name + 'Rev'] = revision;
+      }
     }
   };
+  request.send();
+}
 
-  function injector(filepath, opts) {
-    var name = 'injectedSVGSprite' + filepath,
-      revision = opts.revision,
-      request;
-
-    // localStorage cache
-    if (revision !== undefined && localStorage && localStorage[name + 'Rev'] == revision) {
-      return injectOnLoad(localStorage[name]);
-    }
-
-    // Async load
-    request = new XMLHttpRequest();
-    request.open('GET', filepath, true);
-    request.onreadystatechange = function (e) {
-      var data;
-
-      if (request.readyState === 4 && request.status >= 200 && request.status < 400) {
-        injectOnLoad(data = request.responseText);
-        if (revision !== undefined && localStorage) {
-          localStorage[name] = data;
-          localStorage[name + 'Rev'] = revision;
-        }
-      }
-    };
-    request.send();
-  }
-
-  function injectOnLoad(data) {
-    if (data) {
-      if (document.body) {
-        injectData(data);
-      } else {
-        document.addEventListener('DOMContentLoaded', injectData.bind(null, data));
-      }
+function injectOnLoad(data) {
+  if (data) {
+    if (document.body) {
+      injectData(data);
+    } else {
+      document.addEventListener('DOMContentLoaded', injectData.bind(null, data));
     }
   }
+}
 
-  function injectData(data) {
-    var body = document.body;
-    body.insertAdjacentHTML('afterbegin', data);
-    if (body.firstChild.tagName === 'svg') {
-      body.firstChild.style.display = 'none';
-    }
+function injectData(data) {
+  var body = document.body;
+  body.insertAdjacentHTML('afterbegin', data);
+  if (body.firstChild.tagName === 'svg') {
+    body.firstChild.style.display = 'none';
   }
+}
 
-  if (typeof exports === 'object') {
-    module.exports = svgSpriteInjector;
-  } else {
-    window.svgSpriteInjector = svgSpriteInjector;
-  }
-
-} (window, document));
+export default svgSpriteInjector;
diff --git a/packages/tiptap-extensions/src/plugins/Suggestions.js b/packages/tiptap-extensions/src/plugins/Suggestions.js
index 8cebbcbf2..0f11f3ee6 100644
--- a/packages/tiptap-extensions/src/plugins/Suggestions.js
+++ b/packages/tiptap-extensions/src/plugins/Suggestions.js
@@ -95,7 +95,7 @@ export default function SuggestionsPlugin({
 
     view() {
       return {
-        update: (view, prevState) => {
+        update: async (view, prevState) => {
           const prev = this.key.getState(prevState)
           const next = this.key.getState(view.state)
 
@@ -133,7 +133,9 @@ export default function SuggestionsPlugin({
             text: state.text,
             decorationNode,
             virtualNode,
-            items: onFilter(Array.isArray(items) ? items : items(), state.query),
+            items: (handleChange || handleStart)
+              ? await onFilter(Array.isArray(items) ? items : await items(), state.query)
+              : [],
             command: ({ range, attrs }) => {
               command({
                 range,