diff --git a/README.md b/README.md
index 270f4973..b9f1158a 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ configure linting support for your editor as well.
 If you're using Visual Studio Code, make sure to install the ESLint extension
 and add the following to your workspace settings:
 
-```json
+```
 {
 	"eslint.validate": [
 		"javascript",
diff --git a/changelog.html b/changelog.html
index 0f613ce4..9b733e84 100644
--- a/changelog.html
+++ b/changelog.html
@@ -1,3 +1,10 @@
+<div class="list-header">4.0.0-beta1.8<span>@c07590bbb2a94b83c0e3</span> <time datetime="2018-03-30">(2018-03-30)</time></div>
+<ul class="chat-menu-content menu-side-padding">
+	<li>Added: Basic tab completion of FrankerFaceZ emotes, using Twitch's existing tab-completion system.</li>
+	<li>Fixed: Do not hide the Hosting bar when the setting to hide the Rerun bar is enabled.</li>
+	<li>Changed: Re-implement Twitch's emote matching code for tab-completion to improve performance when there are a significant number of emotes.</li>
+</ul>
+
 <div class="list-header">4.0.0-beta1.7<span>@014a758f744a54c37b26</span> <time datetime="2018-03-25">(2018-03-25)</time></div>
 <ul class="chat-menu-content menu-side-padding">
 	<li>Added: Settings to hide the Event Bar and Rerun Bar over the player.</li>
diff --git a/src/main.js b/src/main.js
index 682fb912..af78a561 100644
--- a/src/main.js
+++ b/src/main.js
@@ -95,7 +95,7 @@ class FrankerFaceZ extends Module {
 FrankerFaceZ.Logger = Logger;
 
 const VER = FrankerFaceZ.version_info = {
-	major: 4, minor: 0, revision: 0, extra: '-beta1.7',
+	major: 4, minor: 0, revision: 0, extra: '-beta1.8',
 	build: __webpack_hash__,
 	toString: () =>
 		`${VER.major}.${VER.minor}.${VER.revision}${VER.extra || ''}${DEBUG ? '-dev' : ''}`
diff --git a/src/settings/context.js b/src/settings/context.js
index e2bc598f..28b183d8 100644
--- a/src/settings/context.js
+++ b/src/settings/context.js
@@ -241,6 +241,9 @@ export default class SettingsContext extends EventEmitter {
 					value = def_default(this);
 				else
 					value = def_default;
+
+				if ( type.default )
+					value = type.default(value);
 			}
 
 			if ( definition.requires )
diff --git a/src/settings/types.js b/src/settings/types.js
index 2f0ebd83..65fc5027 100644
--- a/src/settings/types.js
+++ b/src/settings/types.js
@@ -43,6 +43,15 @@ export const object_merge = {
 
 
 export const array_merge = {
+	default(val) {
+		const values = [];
+		for(const v of val)
+			if ( v.t !== 'inherit' && v.v )
+				values.push(v.v);
+
+		return values;
+	},
+
 	get(key, profiles, log) {
 		const values = [],
 			trailing = [],
diff --git a/src/sites/twitch-twilight/modules/chat/index.js b/src/sites/twitch-twilight/modules/chat/index.js
index e56815cc..70d22b24 100644
--- a/src/sites/twitch-twilight/modules/chat/index.js
+++ b/src/sites/twitch-twilight/modules/chat/index.js
@@ -131,7 +131,7 @@ export default class ChatHook extends Module {
 			n => n.collapseCheer && n.saveRenderedMessageRef,
 			Twilight.CHAT_ROUTES
 		);
-		
+
 		this.TabComplete = this.fine.define(
 			'tab-complete-emotes',
 			n => n.getMatchedEmotes,
@@ -237,6 +237,15 @@ export default class ChatHook extends Module {
 				]
 			}
 		});
+
+		this.settings.add('chat.tab-complete.ffz-emotes', {
+			default: true,
+			ui: {
+				path: 'Chat > Input >> Tab Completion',
+				title: 'Allow tab-completion of FrankerFaceZ emotes.',
+				component: 'setting-check-box'
+			}
+		});
 	}
 
 
@@ -443,13 +452,14 @@ export default class ChatHook extends Module {
 		}, this);
 	}
 
+
 	getResultsForSets(input, inst) {
 		if (!inst._ffz_channelInfo) return [];
 
 		const search = input.substring(1),
 			results = [],
 			emotes = Object.values(this.chat.emotes.getEmotes(inst._ffz_channelInfo.props.sessionUser.id, undefined, inst._ffz_channelInfo.props.channelID));
-		
+
 		for (const emote of emotes) {
 			if (inst.doesEmoteMatchTerm(emote, search)) {
 				results.push({
@@ -467,18 +477,21 @@ export default class ChatHook extends Module {
 		return results;
 	}
 
+
 	setupTabCompletion(inst) {
 		const t = this,
 			old_matched = inst._ffz_getMatchedEmotes || inst.getMatchedEmotes;
 
 		if (!inst._ffz_getMatchedEmotes) inst._ffz_getMatchedEmotes = old_matched;
 
-		inst._ffz_channelInfo = this.fine.searchParent(inst, n => n.props !== undefined
+		inst._ffz_channelInfo = this.fine.searchParent(inst, n => n.props
 			&& n.props.channelID !== undefined
-			&& !n.props.roomID
+			&& n.props.roomID === undefined
 		);
-		if (!inst._ffz_channelInfo) return;
-		
+
+		if ( ! inst._ffz_channelInfo )
+			return;
+
 		inst.doesEmoteMatchTerm = function (emote, term) {
 			const emote_name = emote.name || emote.token,
 				emote_lower = emote_name.toLowerCase(),
@@ -493,10 +506,11 @@ export default class ChatHook extends Module {
 		};
 
 		inst.getMatchedEmotes = function (input) {
-			const results = old_matched.call(this, input)
-				.concat(t.getResultsForSets(input, this))
+			const results = old_matched.call(this, input);
+			if ( ! t.chat.context.get('chat.tab-complete.ffz-emotes') )
+				return results;
 
-			return results;
+			return results.concat(t.getResultsForSets(input, this));
 		};
 	}