Bugfixes

Mesage versions modal didn't open on subsequent clicks
Autocomplete: avoid undefined error

src/components/message.js

@@ -280,10 +280,7 @@ export default class Message extends CustomElement {
 
     showMessageVersionsModal (ev) {
         ev.preventDefault();
-        if (this.message_versions_modal === undefined) {
-            this.message_versions_modal = new MessageVersionsModal({'model': this.model});
-        }
-        this.message_versions_modal.show(ev);
+        api.modal.show(MessageVersionsModal, {'model': this.model}, ev);
     }
 
     toggleSpoilerMessage (ev) {

src/shared/autocomplete/autocomplete.js

@@ -17,6 +17,7 @@ const u = converse.env.utils;
 export class AutoComplete {
 
     constructor (el, config={}) {
+        this.suggestions = [];
         this.is_opened = false;
 
         if (u.hasClass('suggestion-box', el)) {