Ticket #52314: 52314-4.diff

src/wp-admin/admin-header.php

@@ -57 +57 @@
         $admin_title = sprintf( __( 'Recovery Mode — %s' ), $admin_title );
 }
 
+if ( 'post' === $current_screen->base && 'add' !== $current_screen->action ) {
+        $post_title = get_the_title();
+        if ( ! empty( $post_title ) ) {
+                /* translators: Editor admin screen title. %s: Post title. */
+                $admin_title = sprintf( __( 'Edit “%s”' ), $post_title );
+        }
+}
+
 /**
  * Filters the title tag content for an admin page.
  *