diff --git a/wp-includes/formatting.php b/wp-includes/formatting.php
index 83579d26ec..460a6b8038 100644
--- a/wp-includes/formatting.php
+++ b/wp-includes/formatting.php
@@ -2232,6 +2232,8 @@ function sanitize_title_with_dashes( $title, $raw_title = '', $context = 'displa
 		// Strip these characters entirely
 		$title = str_replace(
 			array(
+				// soft hyphens
+				'%c2%ad',
 				// iexcl and iquest
 				'%c2%a1',
 				'%c2%bf',
diff --git a/wp-includes/version.php b/wp-includes/version.php
index f4f3be5b11..e1f9e1ad24 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.1-beta1-44578';
+$wp_version = '5.1-beta1-44579';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.