Portal 2 Authoring Tools Update Released — Portal 2 Steam update #616160

Updates to Portal 2 Authoring Tools have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include: Portal 2 Authoring Tools * Fixed crash that could occur when malformed brushes were saved in a map and then re-opened in Hammer. * Hammer will now properly save maps after detecting and fixing malformed brushes. Fixes “Permission Denied” error some users were experiencing. * Removed “Lighting Preview” option as this is not currently supported;