diff --git a/package.json b/package.json
index 9530093f..8984373c 100755
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "frankerfacez",
   "author": "Dan Salvato LLC",
-  "version": "4.13.2",
+  "version": "4.13.3",
   "description": "FrankerFaceZ is a Twitch enhancement suite.",
   "license": "Apache-2.0",
   "scripts": {
diff --git a/src/addons.js b/src/addons.js
index a12dcf60..30475594 100644
--- a/src/addons.js
+++ b/src/addons.js
@@ -175,10 +175,17 @@ export default class AddonManager extends Module {
 			]);
 
 			if ( this.i18n.locale !== 'en' ) {
-				terms.add(this.i18n.t(addon.name_i18n, addon.name));
-				terms.add(this.i18n.t(addon.short_name_i18n, addon.short_name));
-				terms.add(this.i18n.t(addon.author_i18n, addon.author));
-				terms.add(this.i18n.t(addon.description_i18n, addon.description));
+				if ( addon.name_i18n )
+					terms.add(this.i18n.t(addon.name_i18n, addon.name));
+
+				if ( addon.short_name_i18n )
+					terms.add(this.i18n.t(addon.short_name_i18n, addon.short_name));
+
+				if ( addon.author_i18n )
+					terms.add(this.i18n.t(addon.author_i18n, addon.author));
+
+				if ( addon.description_i18n )
+					terms.add(this.i18n.t(addon.description_i18n, addon.description));
 			}
 
 			addon.search_terms = [...terms].map(term => term ? term.toLocaleLowerCase() : '').join('\n');
diff --git a/src/modules/translation_ui/components/i18n-entry.vue b/src/modules/translation_ui/components/i18n-entry.vue
index 3a4bcf22..5d989db5 100644
--- a/src/modules/translation_ui/components/i18n-entry.vue
+++ b/src/modules/translation_ui/components/i18n-entry.vue
@@ -1,7 +1,7 @@
 <template lang="html">
 	<div class="ffz--i18n-entry tw-pd-x-1 tw-pd-y-05 tw-border-b">
 		<div class="tw-flex tw-full-width">
-			<div class="ffz--i18n-sub-entry tw-mg-r-05 tw-flex-grow-1 tw-c-text-alt tw-mg-b-2">
+			<div class="ffz--i18n-sub-entry tw-mg-r-05 tw-c-text-alt tw-mg-b-2">
 				<div class="tw-font-size-7 tw-c-text-alt-2 tw-pd-b-05 tw-strong tw-upcase tw-ellipsis" :title="entry.key">
 					{{ entry.key }}
 				</div>
@@ -54,7 +54,7 @@
 			v-if="open"
 			class="tw-flex tw-full-width tw-mg-t-05"
 		>
-			<div class="ffz--i18n-sub-entry tw-mg-r-05 tw-flex-grow-1 tw-c-text-alt tw-mg-b-2">
+			<div class="ffz--i18n-sub-entry tw-mg-r-05 tw-c-text-alt tw-mg-b-2">
 				<div class="tw-font-size-7 tw-c-text-alt-2 tw-pd-b-05 tw-strong tw-upcase tw-ellipsis">
 					{{ t('i18n.ui.preview', 'Preview') }}
 				</div>
diff --git a/src/modules/translation_ui/components/translation-ui.vue b/src/modules/translation_ui/components/translation-ui.vue
index 0842e34f..f9e5e6e4 100644
--- a/src/modules/translation_ui/components/translation-ui.vue
+++ b/src/modules/translation_ui/components/translation-ui.vue
@@ -332,6 +332,7 @@ export default {
 
 		this.listen('i18n:got-keys', this.grabKeys, this);
 		this.listen('i18n:loaded', this.grabKeys, this);
+		this.listen('i18n:strings-loaded', this.grabKeys, this);
 	},
 
 	mounted() {
@@ -351,6 +352,7 @@ export default {
 
 		this.unlisten('i18n:got-keys', this.grabKeys, this);
 		this.unlisten('i18n:loaded', this.grabKeys, this);
+		this.unlisten('i18n:strings-loaded', this.grabKeys, this);
 	},
 
 	methods: {
diff --git a/src/sites/twitch-twilight/modules/menu_button.jsx b/src/sites/twitch-twilight/modules/menu_button.jsx
index f0e81cc7..ddcb2e58 100644
--- a/src/sites/twitch-twilight/modules/menu_button.jsx
+++ b/src/sites/twitch-twilight/modules/menu_button.jsx
@@ -22,6 +22,7 @@ export default class MenuButton extends SiteModule {
 		this._has_update = false;
 		this._important_update = false;
 		this._new_settings = 0;
+		this._error = null;
 
 		this.settings.add('ffz.show-new-settings', {
 			default: true,
@@ -39,6 +40,22 @@ export default class MenuButton extends SiteModule {
 		);
 	}
 
+	get has_error() {
+		return this._error != null;
+	}
+
+	get error() {
+		return this._error;
+	}
+
+	set error(val) {
+		if ( val === this._error )
+			return;
+
+		this._error = val;
+		this.update();
+	}
+
 	get new_settings() {
 		return this._new_settings;
 	}
@@ -117,6 +134,10 @@ export default class MenuButton extends SiteModule {
 	}
 
 	update() {
+		requestAnimationFrame(() => this._update());
+	}
+
+	_update() {
 		for(const inst of this.NavBar.instances)
 			this.updateButton(inst);
 	}
@@ -170,7 +191,7 @@ export default class MenuButton extends SiteModule {
 			<div class="tw-inline-flex tw-relative tw-tooltip-wrapper">
 				{btn = (<button
 					class="tw-align-items-center tw-align-middle tw-border-bottom-left-radius-medium tw-border-bottom-right-radius-medium tw-border-top-left-radius-medium tw-border-top-right-radius-medium tw-button-icon tw-core-button tw-core-button--border tw-inline-flex tw-interactive tw-justify-content-center tw-overflow-hidden tw-relative"
-					onClick={e => this.emit(':clicked', e, btn)} // eslint-disable-line react/jsx-no-bind
+					onClick={e => this.handleClick(e, btn)} // eslint-disable-line react/jsx-no-bind
 				>
 					<div class="tw-align-items-center tw-flex tw-flex-grow-0">
 						<span class="tw-button-icon__icon">
@@ -178,7 +199,24 @@ export default class MenuButton extends SiteModule {
 						</span>
 					</div>
 				</button>)}
-				<div class="tw-tooltip tw-tooltip--down tw-tooltip--align-right">
+				{this.has_error && (<div class="tw-absolute tw-balloon tw-balloon--down tw-balloon--lg tw-balloon--right tw-block">
+					<div class="tw-border-radius-large tw-c-background-base tw-c-text-inherit tw-elevation-4 tw-pd-1">
+						<div class="tw-flex tw-align-items-center">
+							<div class="tw-flex-grow-1">
+								{ this.error.i18n ? this.i18n.t(this.error.i18n, this.error.text) : this.error.text }
+							</div>
+							<button
+								class="tw-button-icon tw-mg-l-05 tw-relative tw-tooltip-wrapper"
+								onClick={() => this.error = null} // eslint-disable-line react/jsx-no-bind
+							>
+								<span class="tw-button-icon__icon">
+									<figure class="ffz-i-cancel" />
+								</span>
+							</button>
+						</div>
+					</div>
+				</div>)}
+				{! this.has_error && (<div class="tw-tooltip tw-tooltip--down tw-tooltip--align-right">
 					{this.i18n.t('site.menu_button', 'FrankerFaceZ Control Center')}
 					{this.has_update && (<div class="tw-mg-t-1">
 						{this.i18n.t('site.menu_button.update-desc', 'There is an update available. Please refresh your page.')}
@@ -198,7 +236,7 @@ export default class MenuButton extends SiteModule {
 					{this.addons.has_dev && (<div class="tw-mg-t-1">
 						{this.i18n.t('site.menu_button.addon-dev-desc', 'You have loaded add-on data from a local development server.')}
 					</div>)}
-				</div>
+				</div>)}
 			</div>
 			{this.has_update && (<div class="ffz-menu__extra-pill tw-absolute">
 				<div class={`tw-pill ${this.important_update ? 'tw-pill--notification' : ''}`}>
@@ -215,71 +253,22 @@ export default class MenuButton extends SiteModule {
 					{pill}
 				</div>
 			</div>)}
-		</div>)
-
-		/*el = (<div class="ffz-top-nav tw-align-self-center tw-flex-grow-0 tw-flex-shrink-0 tw-flex-nowrap tw-pd-r-1 tw-pd-l-05">
-			{btn = (<button
-				class="tw-button-icon tw-button-icon--overlay tw-button-icon--large"
-				onClick={e => this.emit(':clicked', e, btn)} //eslint-disable-line react/jsx-no-bind
-			>
-				<div class="tw-tooltip-wrapper">
-					<span class="tw-button-icon__icon">
-						<figure class="ffz-i-zreknarf" />
-					</span>
-					{this.has_update && (<div class="ffz-menu__extra-pill tw-absolute">
-						<div class={`tw-pill ${this.important_update ? ' tw-pill--notification' : ''}`}>
-							<figure class="ffz-i-arrows-cw" />
-						</div>
-					</div>)}
-					{!this.has_update && DEBUG && this.addons.has_dev && (<div class="ffz-menu__extra-pill tw-absolute">
-						<div class="tw-pill">
-							{this.i18n.t('site.menu_button.dev', 'dev')}
-						</div>
-					</div>)}
-					{!this.has_update && DEBUG && ! this.addons.has_dev && (<div class="ffz-menu__extra-pill tw-absolute">
-						<div class="tw-pill">
-							{this.i18n.t('site.menu_button.main-dev', 'm-dev')}
-						</div>
-					</div>)}
-					{!this.has_update && ! DEBUG && this.addons.has_dev && (<div class="ffz-menu__extra-pill tw-absolute">
-						<div class="tw-pill">
-							{this.i18n.t('site.menu_button.addon-dev', 'a-dev')}
-						</div>
-					</div>)}
-					{this.has_new && ! pill && (<div class="ffz-menu__pill tw-absolute">
-						<div class="tw-pill">
-							{this.i18n.formatNumber(this.new_settings)}
-						</div>
-					</div>)}
-					{pill && (<div class="ffz-menu__pill tw-absolute">
-						<div class="tw-animation tw-animation--animate tw-animation--duration-medium tw-animation--timing-ease-in tw-animation--bounce-in">
-							<div class="tw-pill tw-pill--notification">
-								{pill}
-							</div>
-						</div>
-					</div>)}
-					<div class="tw-tooltip tw-tooltip--down tw-tooltip--align-right">
-						{this.i18n.t('site.menu_button', 'FrankerFaceZ Control Center')}
-						{this.has_update && (<div class="tw-mg-t-1">
-							{this.i18n.t('site.menu_button.update-desc', 'There is an update available. Please refresh your page.')}
-						</div>)}
-						{this.has_new && (<div class="tw-mg-t-1">
-							{this.i18n.t('site.menu_button.new-desc', 'There {count,plural,one {is one new setting} other {are # new settings}}.', {count: this._new_settings})}
-						</div>)}
-						{DEBUG && (<div class="tw-mg-t-1">
-							{this.i18n.t('site.menu_button.main-dev-desc', 'You are running a developer build of FrankerFaceZ.')}
-						</div>)}
-						{this.addons.has_dev && (<div class="tw-mg-t-1">
-							{this.i18n.t('site.menu_button.addon-dev-desc', 'You have loaded add-on data from a local development server.')}
-						</div>)}
-					</div>
-				</div>
-			</button>)}
-		</div>);*/
+		</div>);
 
 		container.insertBefore(el, container.lastElementChild);
 	}
 
+	handleClick(event, btn) {
+		if ( event.shiftKey ) {
+			if ( DEBUG && event.ctrlKey )
+				return requestAnimationFrame(() => this.i18n.openUI());
+
+			return this.resolve('main_menu').openPopout();
+		}
+
+		this.emit(':clicked', event, btn);
+	}
+
 
 	loadMenu(event, btn) {
 		const cl = btn && btn.classList;
@@ -292,10 +281,12 @@ export default class MenuButton extends SiteModule {
 
 		}).catch(err => {
 			this.log.capture(err);
-
-			// TODO: Show a proper dialog and not an alert.
 			this.log.error('Error enabling main menu.', err);
-			alert('There was an error displaying the menu.'); // eslint-disable-line no-alert
+
+			this.error = {
+				i18n: 'site.menu_button.error',
+				text: 'There was an error loading the FFZ Control Center. Please refresh and try again.'
+			};
 
 			if ( cl )
 				cl.remove('loading');
diff --git a/src/utilities/events.js b/src/utilities/events.js
index d3ebfdf8..b1629875 100644
--- a/src/utilities/events.js
+++ b/src/utilities/events.js
@@ -25,6 +25,7 @@ String.prototype.toSnakeCase = function() {
 export class EventEmitter {
 	constructor() {
 		this.__listeners = {};
+		this.__running = new Set;
 		this.__dead_events = 0;
 	}
 
@@ -93,6 +94,9 @@ export class EventEmitter {
 	}
 
 	off(event, fn, ctx) {
+		if ( this.__running.has(event) )
+			throw new Error(`concurrent modification: tried removing event listener while event is running`);
+
 		let list = this.__listeners[event];
 		if ( ! list )
 			return;
@@ -121,14 +125,23 @@ export class EventEmitter {
 	}
 
 	emitUnsafe(event, ...args) {
-		const list = this.__listeners[event];
+		let list = this.__listeners[event];
 		if ( ! list )
 			return;
 
+		if ( this.__running.has(event) )
+			throw new Error(`concurrent access: tried to emit event while event is running`);
+
 		// Track removals separately to make iteration over the event list
 		// much, much simpler.
 		const removed = new Set;
 
+		// Set the current list of listeners to null because we don't want
+		// to enter some kind of loop if a new listener is added as the result
+		// of an existing listener.
+		this.__listeners[event] = null;
+		this.__running.add(event);
+
 		for(const item of list) {
 			const [fn, ctx, ttl] = item,
 				ret = fn.apply(ctx, args);
@@ -146,33 +159,50 @@ export class EventEmitter {
 				break;
 		}
 
+		// Remove any dead listeners from the list.
 		if ( removed.size ) {
-			// Re-grab the list to make sure it wasn't removed mid-iteration.
-			const new_list = this.__listeners[event];
-			if ( new_list ) {
-				for(const item of removed) {
-					const idx = new_list.indexOf(item);
-					if ( idx !== -1 )
-						new_list.splice(idx, 1);
-				}
-
-				if ( ! list.length ) {
-					this.__listeners[event] = null;
-					this.__dead_events++;
-				}
+			for(const item of removed) {
+				const idx = list.indexOf(item);
+				if ( idx !== -1 )
+					list.splice(idx, 1);
 			}
 		}
+
+		// Were more listeners added while we were running? Just combine
+		// the two lists if so.
+		if ( this.__listeners[event] )
+			list = list.concat(this.__listeners[event]);
+
+		// If we have items, store the list back. Otherwise, mark that we
+		// have a dead listener.
+		if ( list.length )
+			this.__listeners[event] = list;
+		else {
+			this.__listeners[event] = null;
+			this.__dead_events++;
+		}
+
+		this.__running.delete(event);
 	}
 
 	emit(event, ...args) {
-		const list = this.__listeners[event];
+		let list = this.__listeners[event];
 		if ( ! list )
 			return;
 
+		if ( this.__running.has(event) )
+			throw new Error(`concurrent access: tried to emit event while event is running`);
+
 		// Track removals separately to make iteration over the event list
 		// much, much simpler.
 		const removed = new Set;
 
+		// Set the current list of listeners to null because we don't want
+		// to enter some kind of loop if a new listener is added as the result
+		// of an existing listener.
+		this.__listeners[event] = null;
+		this.__running.add(event);
+
 		for(const item of list) {
 			const [fn, ctx, ttl] = item;
 			let ret;
@@ -196,34 +226,51 @@ export class EventEmitter {
 				break;
 		}
 
+		// Remove any dead listeners from the list.
 		if ( removed.size ) {
-			// Re-grab the list to make sure it wasn't removed mid-iteration.
-			const new_list = this.__listeners[event];
-			if ( new_list ) {
-				for(const item of removed) {
-					const idx = new_list.indexOf(item);
-					if ( idx !== -1 )
-						new_list.splice(idx, 1);
-				}
-
-				if ( ! list.length ) {
-					this.__listeners[event] = null;
-					this.__dead_events++;
-				}
+			for(const item of removed) {
+				const idx = list.indexOf(item);
+				if ( idx !== -1 )
+					list.splice(idx, 1);
 			}
 		}
+
+		// Were more listeners added while we were running? Just combine
+		// the two lists if so.
+		if ( this.__listeners[event] )
+			list = list.concat(this.__listeners[event]);
+
+		// If we have items, store the list back. Otherwise, mark that we
+		// have a dead listener.
+		if ( list.length )
+			this.__listeners[event] = list;
+		else {
+			this.__listeners[event] = null;
+			this.__dead_events++;
+		}
+
+		this.__running.delete(event);
 	}
 
 	async emitAsync(event, ...args) {
-		const list = this.__listeners[event];
+		let list = this.__listeners[event];
 		if ( ! list )
 			return [];
 
+		if ( this.__running.has(event) )
+			throw new Error(`concurrent access: tried to emit event while event is running`);
+
 		// Track removals separately to make iteration over the event list
 		// much, much simpler.
 		const removed = new Set,
 			promises = [];
 
+		// Set the current list of listeners to null because we don't want
+		// to enter some kind of loop if a new listener is added as the result
+		// of an existing listener.
+		this.__listeners[event] = null;
+		this.__running.add(event);
+
 		for(const item of list) {
 			const [fn, ctx] = item;
 			let ret;
@@ -260,23 +307,31 @@ export class EventEmitter {
 
 		const out = await Promise.all(promises);
 
+		// Remove any dead listeners from the list.
 		if ( removed.size ) {
-			// Re-grab the list to make sure it wasn't removed mid-iteration.
-			const new_list = this.__listeners[event];
-			if ( new_list ) {
-				for(const item of removed) {
-					const idx = new_list.indexOf(item);
-					if ( idx !== -1 )
-						new_list.splice(idx, 1);
-				}
-
-				if ( ! list.length ) {
-					this.__listeners[event] = null;
-					this.__dead_events++;
-				}
+			for(const item of removed) {
+				const idx = list.indexOf(item);
+				if ( idx !== -1 )
+					list.splice(idx, 1);
 			}
 		}
 
+		// Were more listeners added while we were running? Just combine
+		// the two lists if so.
+		if ( this.__listeners[event] )
+			list = list.concat(this.__listeners[event]);
+
+		// If we have items, store the list back. Otherwise, mark that we
+		// have a dead listener.
+		if ( list.length )
+			this.__listeners[event] = list;
+		else {
+			this.__listeners[event] = null;
+			this.__dead_events++;
+		}
+
+		this.__running.delete(event);
+
 		return out;
 	}
 }
diff --git a/src/utilities/translation-core.js b/src/utilities/translation-core.js
index e7d0dfc1..2e7fb3ed 100644
--- a/src/utilities/translation-core.js
+++ b/src/utilities/translation-core.js
@@ -488,7 +488,7 @@ const CARDINAL_TO_LANG = {
 	hebrew: ['he'],
 	persian: ['fa'],
 	french: ['fr', 'pt'],
-	russian: ['ru']
+	russian: ['ru','uk']
 }
 
 const CARDINAL_TYPES = {
@@ -536,7 +536,8 @@ const ORDINAL_TO_LANG = {
 	hungarian: ['hu'],
 	italian: ['it'],
 	one: ['fr', 'lo', 'ms'],
-	swedish: ['sv']
+	swedish: ['sv'],
+	ukranian: ['uk']
 };
 
 const ORDINAL_TYPES = {
@@ -551,6 +552,12 @@ const ORDINAL_TYPES = {
 		return 5;
 	},
 
+	ukranian(n) {
+		const n1 = n % 10, n2 = n % 100;
+		if ( n1 === 3 && n2 !== 13 ) return 3;
+		return 5;
+	},
+
 	hungarian: n => (n === 1 || n === 5) ? 1 : 5,
 	italian: n => (n === 11 || n === 8 || n === 80 || n === 800) ? 4 : 5,