I have seen this from time to time. I thought it was because of some module version diff when editing an old picture... Not sure.
Anyway for me I have always been able to "fix" that by compressing the history stack. Regards, -- Pascal Obry / Magny Les Hameaux (78) The best way to travel is by means of imagination http://www.obry.net gpg --keyserver keys.gnupg.net --recv-key F949BD3B ___________________________________________________________________________ darktable developer mailing list to unsubscribe send a mail to darktable-dev+unsubscr...@lists.darktable.org