diff --git a/wp-content/themes/twentyfifteen/style.css b/wp-content/themes/twentyfifteen/style.css
index b626d4b489..75ee85c31b 100644
--- a/wp-content/themes/twentyfifteen/style.css
+++ b/wp-content/themes/twentyfifteen/style.css
@@ -406,6 +406,7 @@ table {
 	border-spacing: 0;
 	border-width: 1px 0 0 1px;
 	margin: 0 0 1.6em;
+	table-layout: fixed; /* Prevents HTML tables from becoming too wide */
 	width: 100%;
 }
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 47eee8e21c..4fc32385f4 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.1-beta2-30565';
+$wp_version = '4.1-beta2-30566';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.