Following up to this: http://sourceforge.net/mailarchive/message.php?msg_id=27535681 According to this message, the developer is not going to develop a PyQwt 6. We already had some discussion about Qwt 6 here: http://hub.qgis.org/issues/3562 Volker Am Montag, 8. August 2011, 17:10:11 schrieb Volker Fröhlich: >