diff --git a/dist/reveal.min.js b/dist/reveal.min.js
index fe72d292..c5f903d3 100644
--- a/dist/reveal.min.js
+++ b/dist/reveal.min.js
@@ -5,4 +5,4 @@
 *
 * Copyright (C) 2020 Hakim El Hattab, https://hakim.se
 */
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t=this.sort(i.querySelectorAll(".fragment.visible")).pop();t&&(e=parseInt(t.getAttribute("data-fragment-index")||0,10))}r(t).forEach((t,i)=>{t.hasAttribute("data-fragment-index")&&(i=parseInt(t.getAttribute("data-fragment-index"),10)),n=Math.max(n,i),i<=e?(t.classList.contains("visible")||a.shown.push(t),t.classList.add("visible"),t.classList.remove("current-fragment"),this.Reveal.announceStatus(this.Reveal.getStatusText(t)),i===e&&(t.classList.add("current-fragment"),this.Reveal.slideContent.startEmbeddedContent(t))):(t.classList.contains("visible")&&a.hidden.push(t),t.classList.remove("visible"),t.classList.remove("current-fragment"))}),e="number"==typeof e?e:-1,e=Math.max(Math.min(e,n),-1),i.setAttribute("data-fragment",e)}return a}goto(e,t=0){let a=this.Reveal.getCurrentSlide();if(a&&this.Reveal.getConfig().fragments){let i=this.sort(a.querySelectorAll(".fragment"));if(i.length){if("number"!=typeof e){let 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t=e.detail||-e.wheelDelta;t>0?gt():t<0&&ht()}}function kt(e){ft(),e.preventDefault();let t=Je().length,a=Math.floor(e.clientX/O.wrapper.offsetWidth*t);l.rtl&&(a=t-a),Te(a)}function Lt(e){e.preventDefault(),ft(),"linear"===l.navigationMode?ht():lt()}function xt(e){e.preventDefault(),ft(),"linear"===l.navigationMode?gt():dt()}function Rt(e){e.preventDefault(),ft(),ct()}function Mt(e){e.preventDefault(),ft(),ut()}function Ct(e){e.preventDefault(),ft(),ht()}function Pt(e){e.preventDefault(),ft(),gt()}function Nt(e){F.readURL()}function qt(e){ye()}function It(e){!1===document.hidden&&document.activeElement!==document.body&&("function"==typeof document.activeElement.blur&&document.activeElement.blur(),document.body.focus())}function Tt(e){if(e.currentTarget&&e.currentTarget.hasAttribute("href")){let t=e.currentTarget.getAttribute("href");t&&(!function(e){be(),O.overlay=document.createElement("div"),O.overlay.classList.add("overlay"),O.overlay.classList.add("overlay-preview"),O.wrapper.appendChild(O.overlay),O.overlay.innerHTML=`<header>\n\t\t\t\t<a class="close" href="#"><span class="icon"></span></a>\n\t\t\t\t<a class="external" href="${e}" target="_blank"><span class="icon"></span></a>\n\t\t\t</header>\n\t\t\t<div class="spinner"></div>\n\t\t\t<div class="viewport">\n\t\t\t\t<iframe src="${e}"></iframe>\n\t\t\t\t<small class="viewport-inner">\n\t\t\t\t\t<span class="x-frame-error">Unable to load iframe. This is likely due to the site's policy (x-frame-options).</span>\n\t\t\t\t</small>\n\t\t\t</div>`,O.overlay.querySelector("iframe").addEventListener("load",e=>{O.overlay.classList.add("loaded")},!1),O.overlay.querySelector(".close").addEventListener("click",e=>{be(),e.preventDefault()},!1),O.overlay.querySelector(".external").addEventListener("click",e=>{be()},!1)}(t),e.preventDefault())}}function Dt(e){Re()&&!1===l.loop?(Te(0,0),ot()):ee?ot():st()}return n(a,{VERSION:"4.0.0-dev",initialize:function(){if(e)return O.wrapper=e,O.slides=e.querySelector(".slides"),window.addEventListener("load",ye,!1),l={...M,...t,...u()},z.load(l.dependencies).then(ae),new Promise(e=>a.addEventListener("ready",e));console.warn("reveal.js can not initialize without a valid .reveal element.")},configure:le,sync:De,syncSlide:function(e=L){oe(e),Be(e),K.load(e),je(),Ke()},syncFragments:Be,slide:Te,left:lt,right:dt,up:ct,down:ut,prev:ht,next:gt,navigateTo:Te,navigateLeft:lt,navigateRight:dt,navigateUp:ct,navigateDown:ut,navigatePrev:ht,navigateNext:gt,navigateFragment:j.goto.bind(j),prevFragment:j.prev.bind(j),nextFragment:j.next.bind(j),addEventListener:(e,t,i)=>{a.getRevealElement().addEventListener(e,t,i)},removeEventListener:(e,t,i)=>{a.getRevealElement().removeEventListener(e,t,i)},layout:ye,shuffle:He,availableRoutes:Ve,availableFragments:j.availableRoutes.bind(j),toggleHelp:function(e){"boolean"==typeof e?e?me():be():O.overlay?be():me()},toggleOverview:$.toggle.bind($),togglePause:qe,toggleAutoSlide:function(e){"boolean"==typeof e?e?ot():st():ee?ot():st()},isFirstSlide:xe,isLastSlide:Re,isLastVerticalSlide:Le,isVerticalSlide:ke,isOverview:$.isActive.bind($),isPaused:Ie,isAutoSliding:function(){return!(!Q||ee)},isSpeakerNotes:function(){return!!window.location.search.match(/receiver/gi)},isPrintingPDF:he,loadSlide:K.load.bind(K),unloadSlide:K.unload.bind(K),addEventListeners:de,removeEventListeners:ce,dispatchEvent:ge,getState:it,setState:function(e){if("object"==typeof e){Te(s(e.indexh),s(e.indexv),s(e.indexf));let t=s(e.paused),a=s(e.overview);"boolean"==typeof t&&t!==Ie()&&qe(t),"boolean"==typeof a&&a!==$.isActive()&&$.toggle(a)}},getSlidePastCount:Fe,getProgress:Xe,getIndices:Ye,getSlides:_e,getSlidesAttributes:function(){return _e().map(e=>{let t={};for(let a=0;a<e.attributes.length;a++){let i=e.attributes[a];t[i.name]=i.value}return t})},getTotalSlides:et,getSlide:tt,getSlideBackground:function(e,t){let a="number"==typeof e?tt(e,t):e;if(a)return a.slideBackgroundElement},getSlideNotes:at,getHorizontalSlides:Je,getVerticalSlides:Qe,hasHorizontalSlides:Ze,hasVerticalSlides:Ge,addKeyBinding:V.addKeyBinding.bind(V),removeKeyBinding:V.removeKeyBinding.bind(V),triggerKey:V.triggerKey.bind(V),registerKeyboardShortcut:V.registerKeyboardShortcut.bind(V),registerPlugin:z.registerPlugin.bind(z),hasPlugin:z.hasPlugin.bind(z),getPlugin:z.getPlugin.bind(z),getPlugins:z.getRegisteredPlugins.bind(z),getComputedSlideSize:Ae,getPreviousSlide:()=>f,getCurrentSlide:()=>L,getScale:()=>B,getConfig:()=>l,getQueryHash:u,getRevealElement:()=>O.wrapper||document.querySelector(".reveal"),getSlidesElement:()=>O.slides,getBackgroundsElement:()=>O.background,isReady:()=>q,announceStatus:ie,getStatusText:ne,overview:$,slideContent:K,onUserInput:ft,closeOverlay:be,updateControls:We,updateProgress:Ue,updateSlidesVisibility:ze,transformSlides:ue,cueAutoSlide:nt,cancelAutoSlide:rt})};window.Reveal={initialize:e=>(window.Reveal=new P(document.querySelector(".reveal"),e),window.Reveal.initialize())}}]);
\ No newline at end of file
diff --git a/js/controllers/fragments.js b/js/controllers/fragments.js
index 008e5def..0ad699bd 100644
--- a/js/controllers/fragments.js
+++ b/js/controllers/fragments.js
@@ -264,7 +264,7 @@ export default class Fragments {
 				this.Reveal.updateProgress();
 
 				if( this.Reveal.getConfig().fragmentInURL ) {
-					this.Reveal.writeURL();
+					this.Reveal.location.writeURL();
 				}
 
 				return !!( changedFragments.shown.length || changedFragments.hidden.length );
diff --git a/js/controllers/location.js b/js/controllers/location.js
index 29a6d5fb..46e0b2d5 100644
--- a/js/controllers/location.js
+++ b/js/controllers/location.js
@@ -9,6 +9,113 @@ export default class Location {
 
 		this.Reveal = Reveal;
 
+		// Delays updates to the URL due to a Chrome thumbnailer bug
+		this.writeURLTimeout = 0;
+
+	}
+
+	/**
+	 * Reads the current URL (hash) and navigates accordingly.
+	 */
+	readURL() {
+
+		let config = this.Reveal.getConfig();
+		let indices = this.Reveal.getIndices();
+		let currentSlide = this.Reveal.getCurrentSlide();
+
+		let hash = window.location.hash;
+
+		// Attempt to parse the hash as either an index or name
+		let bits = hash.slice( 2 ).split( '/' ),
+			name = hash.replace( /#|\//gi, '' );
+
+		// If the first bit is not fully numeric and there is a name we
+		// can assume that this is a named link
+		if( !/^[0-9]*$/.test( bits[0] ) && name.length ) {
+			let element;
+
+			// Ensure the named link is a valid HTML ID attribute
+			try {
+				element = document.getElementById( decodeURIComponent( name ) );
+			}
+			catch ( error ) { }
+
+			// Ensure that we're not already on a slide with the same name
+			let isSameNameAsCurrentSlide = currentSlide ? currentSlide.getAttribute( 'id' ) === name : false;
+
+			if( element ) {
+				// If the slide exists and is not the current slide...
+				if ( !isSameNameAsCurrentSlide ) {
+					// ...find the position of the named slide and navigate to it
+					let elementIndex = this.Reveal.getIndices(element);
+					this.Reveal.slide(elementIndex.h, elementIndex.v);
+				}
+			}
+			// If the slide doesn't exist, navigate to the current slide
+			else {
+				this.Reveal.slide( indices.h || 0, indices.v || 0 );
+			}
+		}
+		else {
+			let hashIndexBase = config.hashOneBasedIndex ? 1 : 0;
+
+			// Read the index components of the hash
+			let h = ( parseInt( bits[0], 10 ) - hashIndexBase ) || 0,
+				v = ( parseInt( bits[1], 10 ) - hashIndexBase ) || 0,
+				f;
+
+			if( config.fragmentInURL ) {
+				f = parseInt( bits[2], 10 );
+				if( isNaN( f ) ) {
+					f = undefined;
+				}
+			}
+
+			if( h !== indices.h || v !== indices.v || f !== undefined ) {
+				this.Reveal.slide( h, v, f );
+			}
+		}
+
+	}
+
+	/**
+	 * Updates the page URL (hash) to reflect the current
+	 * state.
+	 *
+	 * @param {number} delay The time in ms to wait before
+	 * writing the hash
+	 */
+	writeURL( delay ) {
+
+		let config = this.Reveal.getConfig();
+		let currentSlide = this.Reveal.getCurrentSlide();
+
+		// Make sure there's never more than one timeout running
+		clearTimeout( this.writeURLTimeout );
+
+		// If a delay is specified, timeout this call
+		if( typeof delay === 'number' ) {
+			this.writeURLTimeout = setTimeout( this.writeURL, delay );
+		}
+		else if( currentSlide ) {
+			// If we're configured to push to history OR the history
+			// API is not avaialble.
+			if( config.history || !window.history ) {
+				window.location.hash = this.getHash();
+			}
+			// If we're configured to reflect the current slide in the
+			// URL without pushing to history.
+			else if( config.hash ) {
+				window.history.replaceState( null, null, '#' + this.getHash() );
+			}
+			// If history and hash are both disabled, a hash may still
+			// be added to the URL by clicking on a href with a hash
+			// target. Counter this by always removing the hash.
+			else {
+				window.history.replaceState( null, null, window.location.pathname + window.location.search );
+			}
+		}
+
 	}
 
 	/**
@@ -16,12 +123,13 @@ export default class Location {
 	 *
 	 * @param {HTMLElement} [slide=currentSlide] The slide to link to
 	 */
-	getHash( slide = this.Reveal.getCurrentSlide() ) {
+	getHash( slide ) {
 
 		let url = '/';
 
 		// Attempt to create a named link based on the slide's ID
-		let id = slide ? slide.getAttribute( 'id' ) : null;
+		let s = slide || this.Reveal.getCurrentSlide();
+		let id = s ? s.getAttribute( 'id' ) : null;
 		if( id ) {
 			id = encodeURIComponent( id );
 		}
diff --git a/js/reveal.js b/js/reveal.js
index d5b79688..96ddb67e 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -108,9 +108,6 @@ export default function( revealElement, options ) {
 		// Throttles mouse wheel navigation
 		lastMouseWheelStep = 0,
 
-		// Delays updates to the URL due to a Chrome thumbnailer bug
-		writeURLTimeout = 0,
-
 		// Is the mouse pointer currently hidden from view
 		cursorHidden = false,
 
@@ -189,7 +186,7 @@ export default function( revealElement, options ) {
 		configure();
 
 		// Read the initial hash
-		readURL();
+		location.readURL();
 
 		// Update all backgrounds
 		updateBackground( true );
@@ -1836,7 +1833,7 @@ export default function( revealElement, options ) {
 		fragments.update();
 
 		// Update the URL hash
-		writeURL();
+		location.writeURL();
 
 		cueAutoSlide();
 
@@ -1886,7 +1883,7 @@ export default function( revealElement, options ) {
 		createBackgrounds();
 
 		// Write the current hash to the URL
-		writeURL();
+		location.writeURL();
 
 		fragments.sortAll();
 
@@ -2639,103 +2636,6 @@ export default function( revealElement, options ) {
 
 	}
 
-	/**
-	 * Reads the current URL (hash) and navigates accordingly.
-	 */
-	function readURL() {
-
-		let hash = window.location.hash;
-
-		// Attempt to parse the hash as either an index or name
-		let bits = hash.slice( 2 ).split( '/' ),
-			name = hash.replace( /#|\//gi, '' );
-
-		// If the first bit is not fully numeric and there is a name we
-		// can assume that this is a named link
-		if( !/^[0-9]*$/.test( bits[0] ) && name.length ) {
-			let element;
-
-			// Ensure the named link is a valid HTML ID attribute
-			try {
-				element = document.getElementById( decodeURIComponent( name ) );
-			}
-			catch ( error ) { }
-
-			// Ensure that we're not already on a slide with the same name
-			let isSameNameAsCurrentSlide = currentSlide ? currentSlide.getAttribute( 'id' ) === name : false;
-
-			if( element ) {
-				// If the slide exists and is not the current slide...
-				if ( !isSameNameAsCurrentSlide ) {
-					// ...find the position of the named slide and navigate to it
-					let indices = Reveal.getIndices(element);
-					slide(indices.h, indices.v);
-				}
-			}
-			// If the slide doesn't exist, navigate to the current slide
-			else {
-				slide( indexh || 0, indexv || 0 );
-			}
-		}
-		else {
-			let hashIndexBase = config.hashOneBasedIndex ? 1 : 0;
-
-			// Read the index components of the hash
-			let h = ( parseInt( bits[0], 10 ) - hashIndexBase ) || 0,
-				v = ( parseInt( bits[1], 10 ) - hashIndexBase ) || 0,
-				f;
-
-			if( config.fragmentInURL ) {
-				f = parseInt( bits[2], 10 );
-				if( isNaN( f ) ) {
-					f = undefined;
-				}
-			}
-
-			if( h !== indexh || v !== indexv || f !== undefined ) {
-				slide( h, v, f );
-			}
-		}
-
-	}
-
-	/**
-	 * Updates the page URL (hash) to reflect the current
-	 * state.
-	 *
-	 * @param {number} delay The time in ms to wait before
-	 * writing the hash
-	 */
-	function writeURL( delay ) {
-
-		// Make sure there's never more than one timeout running
-		clearTimeout( writeURLTimeout );
-
-		// If a delay is specified, timeout this call
-		if( typeof delay === 'number' ) {
-			writeURLTimeout = setTimeout( writeURL, delay );
-		}
-		else if( currentSlide ) {
-			// If we're configured to push to history OR the history
-			// API is not avaialble.
-			if( config.history || !window.history ) {
-				window.location.hash = location.getHash();
-			}
-			// If we're configured to reflect the current slide in the
-			// URL without pushing to history.
-			else if( config.hash ) {
-				window.history.replaceState( null, null, '#' + location.getHash() );
-			}
-			// If history and hash are both disabled, a hash may still
-			// be added to the URL by clicking on a href with a hash
-			// target. Counter this by always removing the hash.
-			else {
-				window.history.replaceState( null, null, window.location.pathname + window.location.search );
-			}
-		}
-
-	}
-
 	/**
 	 * Retrieves the h/v location and fragment of the current,
 	 * or specified, slide.
@@ -3498,7 +3398,7 @@ export default function( revealElement, options ) {
 	 */
 	function onWindowHashChange( event ) {
 
-		readURL();
+		location.readURL();
 
 	}
 
@@ -3764,7 +3664,6 @@ export default function( revealElement, options ) {
 		updateControls,
 		updateProgress,
 		updateSlidesVisibility,
-		writeURL,
 		transformSlides,
 		cueAutoSlide,
 		cancelAutoSlide