diff --git a/client/components/Chat.vue b/client/components/Chat.vue
index 63049b2f..0796780a 100644
--- a/client/components/Chat.vue
+++ b/client/components/Chat.vue
@@ -174,7 +174,7 @@ export default {
 	},
 	destroyed() {
 		if (this.historyObserver) {
-			this.historyObserver.unobserve(this.$refs.loadMoreButton);
+			this.historyObserver.disconnect();
 		}
 	},
 	methods: {
diff --git a/client/components/ChatInput.vue b/client/components/ChatInput.vue
index 0cc2337e..9060a8d2 100644
--- a/client/components/ChatInput.vue
+++ b/client/components/ChatInput.vue
@@ -30,6 +30,14 @@ export default {
 		network: Object,
 		channel: Object,
 	},
+	mounted() {
+		if (this.$root.settings.autocomplete) {
+			require("../js/autocompletion").enable();
+		}
+	},
+	destroyed() {
+		require("../js/autocompletion").disable();
+	},
 	methods: {
 		getInputPlaceholder(channel) {
 			if (channel.type === "channel" || channel.type === "query") {
diff --git a/client/js/autocompletion.js b/client/js/autocompletion.js
index 3c287383..76a209a4 100644
--- a/client/js/autocompletion.js
+++ b/client/js/autocompletion.js
@@ -5,9 +5,10 @@ const fuzzy = require("fuzzy");
 const Mousetrap = require("mousetrap");
 const {Textcomplete, Textarea} = require("textcomplete");
 const emojiMap = require("./libs/simplemap.json");
-const options = require("./options");
 const constants = require("./constants");
+const {vueApp} = require("./vue");
 
+let input;
 let textcomplete;
 let enabled = false;
 
@@ -15,7 +16,6 @@ module.exports = {
 	enable: enableAutocomplete,
 	disable() {
 		if (enabled) {
-			const input = $("#input");
 			input.off("input.tabcomplete");
 			Mousetrap(input.get(0)).unbind("tab", "keydown");
 			textcomplete.destroy();
@@ -69,7 +69,7 @@ const nicksStrategy = {
 	},
 	replace([, original], position = 1) {
 		// If no postfix specified, return autocompleted nick as-is
-		if (!options.settings.nickPostfix) {
+		if (!vueApp.settings.nickPostfix) {
 			return original;
 		}
 
@@ -79,7 +79,7 @@ const nicksStrategy = {
 		}
 
 		// If nick is first in the input, append specified postfix
-		return original + options.settings.nickPostfix;
+		return original + vueApp.settings.nickPostfix;
 	},
 	index: 1,
 };
@@ -179,7 +179,7 @@ function enableAutocomplete() {
 	let tabCount = 0;
 	let lastMatch = "";
 	let currentMatches = [];
-	const input = $("#input");
+	input = $("#input");
 
 	input.on("input.tabcomplete", () => {
 		tabCount = 0;
@@ -270,19 +270,17 @@ function fuzzyGrep(term, array) {
 }
 
 function rawNicks() {
-	const chan = chat.find(".active");
-	const users = chan.find(".userlist");
+	if (vueApp.activeChannel.channel.users.length > 0) {
+		const users = vueApp.activeChannel.channel.users.slice();
 
-	// If this channel has a list of nicks, just return it
-	if (users.length > 0) {
-		return users.data("nicks");
+		return users.sort((a, b) => b.lastMessage - a.lastMessage).map((u) => u.nick);
 	}
 
-	const me = $("#nick").text();
-	const otherUser = chan.attr("aria-label");
+	const me = vueApp.activeChannel.network.nick;
+	const otherUser = vueApp.activeChannel.channel.name;
 
 	// If this is a query, add their name to autocomplete
-	if (me !== otherUser && chan.data("type") === "query") {
+	if (me !== otherUser && vueApp.activeChannel.channel.type === "query") {
 		return [otherUser, me];
 	}
 
@@ -313,16 +311,11 @@ function completeCommands(word) {
 function completeChans(word) {
 	const words = [];
 
-	sidebar.find(".chan.active")
-		.parent()
-		.find(".chan")
-		.each(function() {
-			const self = $(this);
-
-			if (self.hasClass("channel")) {
-				words.push(self.attr("aria-label"));
-			}
-		});
+	for (const channel of vueApp.activeChannel.network.channels) {
+		if (channel.type === "channel") {
+			words.push(channel.name);
+		}
+	}
 
 	return fuzzyGrep(word, words);
 }
diff --git a/client/js/lounge.js b/client/js/lounge.js
index 4964336c..b3f8b6bc 100644
--- a/client/js/lounge.js
+++ b/client/js/lounge.js
@@ -5,21 +5,22 @@ const $ = require("jquery");
 const moment = require("moment");
 
 // our libraries
-require("./libs/jquery/stickyscroll");
-const slideoutMenu = require("./slideout");
-const templates = require("../views");
 const socket = require("./socket");
-require("./socket-events");
-const storage = require("./localStorage");
-const utils = require("./utils");
-require("./webpush");
-require("./keybinds");
-require("./clipboard");
-const contextMenuFactory = require("./contextMenuFactory");
 
 const {vueApp, findChannel} = require("./vue");
 
-$(function() {
+window.vueMounted = () => {
+	require("./socket-events");
+	require("./libs/jquery/stickyscroll");
+	const slideoutMenu = require("./slideout");
+	const templates = require("../views");
+	const contextMenuFactory = require("./contextMenuFactory");
+	const storage = require("./localStorage");
+	const utils = require("./utils");
+	require("./webpush");
+	require("./keybinds");
+	require("./clipboard");
+
 	const sidebar = $("#sidebar, #footer");
 	const chat = $("#chat");
 
@@ -353,4 +354,4 @@ $(function() {
 
 	// Only start opening socket.io connection after all events have been registered
 	socket.open();
-});
+};
diff --git a/client/js/options.js b/client/js/options.js
index b9805610..65ef81b8 100644
--- a/client/js/options.js
+++ b/client/js/options.js
@@ -5,6 +5,8 @@ const escapeRegExp = require("lodash/escapeRegExp");
 const storage = require("./localStorage");
 const tz = require("./libs/handlebars/tz");
 const socket = require("./socket");
+const {vueApp} = require("./vue");
+require("../js/autocompletion");
 
 const $windows = $("#windows");
 const $chat = $("#chat");
@@ -23,24 +25,7 @@ let $warningUnsupported;
 let $warningBlocked;
 
 // Default settings
-const settings = {
-	syncSettings: false,
-	advanced: false,
-	autocomplete: true,
-	nickPostfix: "",
-	coloredNicks: true,
-	desktopNotifications: false,
-	highlights: [],
-	links: true,
-	motd: true,
-	notification: true,
-	notifyAllMessages: false,
-	showSeconds: false,
-	statusMessages: "condensed",
-	theme: $("#theme").attr("data-server-theme"),
-	media: true,
-	userStyles: "",
-};
+const settings = vueApp.settings;
 
 const noSync = ["syncSettings"];
 
@@ -87,9 +72,6 @@ module.exports = {
 	initialize,
 };
 
-// Due to cyclical dependency, have to require it after exports
-const autocompletion = require("./autocompletion");
-
 function shouldOpenMessagePreview(type) {
 	return type === "link" ? settings.links : settings.media;
 }
@@ -155,12 +137,6 @@ function applySetting(name, value) {
 			$(this).text(tz($(this).parent().data("time")));
 		});
 		$chat.toggleClass("show-seconds", value);
-	} else if (name === "autocomplete") {
-		if (value) {
-			autocompletion.enable();
-		} else {
-			autocompletion.disable();
-		}
 	} else if (name === "desktopNotifications") {
 		if (("Notification" in window) && value && Notification.permission !== "granted") {
 			Notification.requestPermission(updateDesktopNotificationStatus);
diff --git a/client/js/socket-events/msg.js b/client/js/socket-events/msg.js
index 3fc1e9e2..83f3c702 100644
--- a/client/js/socket-events/msg.js
+++ b/client/js/socket-events/msg.js
@@ -107,16 +107,11 @@ function processReceivedMessage(data) {
 		render.trimMessageInChannel(channelContainer, messageLimit);
 	}
 
-	if ((data.msg.type === "message" || data.msg.type === "action") && channelContainer.hasClass("channel")) {
-		const nicks = channelContainer.find(".userlist").data("nicks");
+	if ((data.msg.type === "message" || data.msg.type === "action") && channel.channel.type === "channel") {
+		const user = channel.channel.users.find((u) => u.nick === data.msg.from.nick);
 
-		if (nicks) {
-			const find = nicks.indexOf(data.msg.from.nick);
-
-			if (find !== -1) {
-				nicks.splice(find, 1);
-				nicks.unshift(data.msg.from.nick);
-			}
+		if (user) {
+			user.lastMessage = (new Date(data.msg.time)).getTime() || Date.now();
 		}
 	}
 }
diff --git a/client/js/vue.js b/client/js/vue.js
index 6ded26d2..bb518110 100644
--- a/client/js/vue.js
+++ b/client/js/vue.js
@@ -24,12 +24,33 @@ const vueApp = new Vue({
 		appName: document.title,
 		activeChannel: null,
 		networks: [],
+		settings: {
+			syncSettings: false,
+			advanced: false,
+			autocomplete: true,
+			nickPostfix: "",
+			coloredNicks: true,
+			desktopNotifications: false,
+			highlights: [],
+			links: true,
+			motd: true,
+			notification: true,
+			notifyAllMessages: false,
+			showSeconds: false,
+			statusMessages: "condensed",
+			theme: document.getElementById("theme").dataset.serverTheme,
+			media: true,
+			userStyles: "",
+		},
 	},
 	render(createElement) {
 		return createElement(App, {
 			props: this,
 		});
 	},
+	mounted() {
+		Vue.nextTick(() => window.vueMounted());
+	}
 });
 
 function findChannel(id) {