diff --git a/wp-admin/includes/class-wp-media-list-table.php b/wp-admin/includes/class-wp-media-list-table.php
index e00e28eb57..b76c92072d 100644
--- a/wp-admin/includes/class-wp-media-list-table.php
+++ b/wp-admin/includes/class-wp-media-list-table.php
@@ -452,19 +452,14 @@ class WP_Media_List_Table extends WP_List_Table {
 		if ( '0000-00-00 00:00:00' === $post->post_date ) {
 			$h_time = __( 'Unpublished' );
 		} else {
-			$m_time = $post->post_date;
-			$time   = get_post_time( 'G', true, $post, false );
-			$t_diff = time() - $time;
-			if ( ( abs( $t_diff ) ) < DAY_IN_SECONDS ) {
-				if ( $t_diff < 0 ) {
-					/* translators: %s: Human-readable time difference. */
-					$h_time = sprintf( __( '%s from now' ), human_time_diff( $time ) );
-				} else {
-					/* translators: %s: Human-readable time difference. */
-					$h_time = sprintf( __( '%s ago' ), human_time_diff( $time ) );
-				}
+			$time      = get_post_timestamp( $post );
+			$time_diff = time() - $time;
+
+			if ( $time && $time_diff > 0 && $time_diff < DAY_IN_SECONDS ) {
+				/* translators: %s: Human-readable time difference. */
+				$h_time = sprintf( __( '%s ago' ), human_time_diff( $time ) );
 			} else {
-				$h_time = mysql2date( __( 'Y/m/d' ), $m_time );
+				$h_time = get_the_time( __( 'Y/m/d' ), $post );
 			}
 		}
 
diff --git a/wp-admin/includes/class-wp-posts-list-table.php b/wp-admin/includes/class-wp-posts-list-table.php
index 71c77d877a..cb7b6c21af 100644
--- a/wp-admin/includes/class-wp-posts-list-table.php
+++ b/wp-admin/includes/class-wp-posts-list-table.php
@@ -1066,17 +1066,15 @@ class WP_Posts_List_Table extends WP_List_Table {
 			$h_time    = $t_time;
 			$time_diff = 0;
 		} else {
-			$t_time = get_the_time( __( 'Y/m/d g:i:s a' ) );
-			$m_time = $post->post_date;
-			$time   = get_post_time( 'G', true, $post );
-
+			$t_time    = get_the_time( __( 'Y/m/d g:i:s a' ), $post );
+			$time      = get_post_timestamp( $post );
 			$time_diff = time() - $time;
 
-			if ( $time_diff > 0 && $time_diff < DAY_IN_SECONDS ) {
+			if ( $time && $time_diff > 0 && $time_diff < DAY_IN_SECONDS ) {
 				/* translators: %s: Human-readable time difference. */
 				$h_time = sprintf( __( '%s ago' ), human_time_diff( $time ) );
 			} else {
-				$h_time = mysql2date( __( 'Y/m/d' ), $m_time );
+				$h_time = get_the_time( __( 'Y/m/d' ), $post );
 			}
 		}
 
@@ -1584,6 +1582,18 @@ class WP_Posts_List_Table extends WP_List_Table {
 						$users_opt['show_option_none'] = __( '&mdash; No Change &mdash;' );
 					}
 
+					/**
+					 * Filters the arguments used to generate the Quick Edit authors drop-down.
+					 *
+					 * @since 5.3.0
+					 *
+					 * @see wp_dropdown_users()
+					 *
+					 * @param array $users_opt An array of arguments for wp_dropdown_users function.
+					 * @param bool  $bulk      A boolean to know if it's a bulk action or not.
+					 */
+					$users_opt = apply_filters( 'quick_edit_authors_query_args', $users_opt, $bulk );
+
 					$authors = wp_dropdown_users( $users_opt );
 					if ( $authors ) :
 						$authors_dropdown  = '<label class="inline-edit-author">';
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 8de4f3f9ff..8be5daf336 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-RC2-46577';
+$wp_version = '5.3-RC2-46578';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.