diff --git a/wp-content/themes/twentysixteen/css/editor-blocks.css b/wp-content/themes/twentysixteen/css/editor-blocks.css
index 0ab68afe8a..a8648668cd 100644
--- a/wp-content/themes/twentysixteen/css/editor-blocks.css
+++ b/wp-content/themes/twentysixteen/css/editor-blocks.css
@@ -370,6 +370,10 @@ figure[class*="wp-block-"] > figcaption {
 	padding-right: 0;
 }
 
+.wp-block-quote.is-style-plain {
+	border: none;
+}
+
 @media screen and (min-width: 44.375em) {
 	.wp-block-quote.alignleft,
 	.wp-block-quote.alignright {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 7729ee235e..547349071f 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.8.2-alpha-60425';
+$wp_version = '6.8.2-alpha-60426';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.