diff --git a/css/reveal.scss b/css/reveal.scss
index 9f47b0f8..862ff952 100644
--- a/css/reveal.scss
+++ b/css/reveal.scss
@@ -1283,11 +1283,11 @@ $controlsArrowAngleActive: 36deg;
  * AUTO ANIMATE
  *********************************************/
 
-.reveal [data-auto-animate-target="unmatched"] {
+.reveal [data-auto-animate-target^="unmatched"] {
 	will-change: opacity;
 }
 
-.reveal section[data-auto-animate]:not(.stack):not([data-auto-animate="running"]) [data-auto-animate-target="unmatched"] {
+.reveal section[data-auto-animate]:not(.stack):not([data-auto-animate="running"]) [data-auto-animate-target^="unmatched"] {
 	opacity: 0;
 }
 
diff --git a/dist/reveal.css b/dist/reveal.css
index 5e498875..af72640a 100644
--- a/dist/reveal.css
+++ b/dist/reveal.css
@@ -1,8 +1,8 @@
 /*!
-* reveal.js 4.0.0-dev (Fri Mar 13 2020)
+* reveal.js 4.0.0-dev (Tue Mar 17 2020)
 * https://revealjs.com
 * MIT licensed
 *
 * Copyright (C) 2020 Hakim El Hattab, https://hakim.se
 */
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diff --git a/dist/reveal.min.js b/dist/reveal.min.js
index 374f56b2..e8791a81 100644
--- a/dist/reveal.min.js
+++ b/dist/reveal.min.js
@@ -1,8 +1,8 @@
 /*!
-* reveal.js 4.0.0-dev (Mon Mar 16 2020)
+* reveal.js 4.0.0-dev (Tue Mar 17 2020)
 * https://revealjs.com
 * MIT licensed
 *
 * Copyright (C) 2020 Hakim El Hattab, https://hakim.se
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diff --git a/js/controllers/autoanimate.js b/js/controllers/autoanimate.js
index a51a9783..27c989a9 100644
--- a/js/controllers/autoanimate.js
+++ b/js/controllers/autoanimate.js
@@ -45,11 +45,30 @@ export default class AutoAnimate {
 
 			// Animate unmatched elements, if enabled
 			if( toSlide.dataset.autoAnimateUnmatched !== 'false' && this.Reveal.getConfig().autoAnimateUnmatched === true ) {
-				this.getUnmatchedAutoAnimateElements( toSlide ).forEach( unmatchedElement => {
-					unmatchedElement.dataset.autoAnimateTarget = 'unmatched';
-				} );
 
-				css.push( `[data-auto-animate="running"] [data-auto-animate-target="unmatched"] { transition: opacity ${animationOptions.duration*0.8}s ease ${animationOptions.duration*0.2}s; }` );
+				// Our default timings for unmatched elements
+				let defaultUnmatchedDuration = animationOptions.duration * 0.8,
+					defaultUnmatchedDelay = animationOptions.duration * 0.2;
+
+				this.getUnmatchedAutoAnimateElements( toSlide ).forEach( unmatchedElement => {
+
+					let unmatchedOptions = this.getAutoAnimateOptions( unmatchedElement, animationOptions );
+					let id = 'unmatched';
+
+					// If there is a duration or delay set specifically for this
+					// element our unmatched elements should adhere to those
+					if( unmatchedOptions.duration !== animationOptions.duration || unmatchedOptions.delay !== animationOptions.delay ) {
+						id = 'unmatched-' + this.autoAnimateCounter++;
+						css.push( `[data-auto-animate="running"] [data-auto-animate-target="${id}"] { transition: opacity ${unmatchedOptions.duration}s ease ${unmatchedOptions.delay}s; }` );
+					}
+
+					unmatchedElement.dataset.autoAnimateTarget = id;
+
+				}, this );
+
+				// Our default transition for unmatched elements
+				css.push( `[data-auto-animate="running"] [data-auto-animate-target="unmatched"] { transition: opacity ${defaultUnmatchedDuration}s ease ${defaultUnmatchedDelay}s; }` );
+
 			}
 
 			// Setting the whole chunk of CSS at once is the most