Index: src/wp-admin/includes/dashboard.php
===================================================================
--- src/wp-admin/includes/dashboard.php	(revision 42879)
+++ src/wp-admin/includes/dashboard.php	(working copy)
@@ -1646,7 +1646,10 @@
 	<div class="try-gutenberg-panel-content plugin-card-gutenberg">
 		<div class="try-gutenberg-panel-column-container">
 			<div class="try-gutenberg-panel-column try-gutenberg-panel-image-column">
-				<img src="https://s.w.org/images/core/gutenberg-screenshot.gif?<?php echo date( 'Ymd' ); ?>" alt="<?php esc_attr_e( 'Gutenberg animated preview' ); ?>" />
+				<picture>
+					<source srcset="about:blank" media="(max-width: 1024px)">
+					<img src="https://s.w.org/images/core/gutenberg-screenshot.gif?<?php echo date( 'Ymd' ); ?>" alt="<?php esc_attr_e( 'Gutenberg animated preview' ); ?>" />
+				</picture>
 			</div>
 			<h2><?php _e( 'Try the new editing experience' ); ?></h2>
 			<div class="try-gutenberg-panel-column">