Hugin is a toolkit for stitching photographs and assembling panoramas, together with an easy to use graphical front end.Release Notes: A vertical feature detection tool for automatic leveling of panoramas was added. The Fast Preview window can now show composition guides such as Rule of Thirds and Golden ratio. The output of High Dynamic Range (HDR) images was modified to prevent clipping of the exposure in EXR format images. The batch processor PTBatcherGUI was extended. Many more improvements and bugfixes were made.