Currently, Krita always opens all layer groups as "open". It should save the state of group layer (open, collapsed) in the .kra files. See http://forum.kde.org/viewtopic.php?f=138&t=95551&p=198215#p198215.
Git commit 680a01ff6b9e263fc2539899945ae74a577c7c13 by Boudewijn Rempt. Committed on 16/05/2012 at 13:21. Pushed by rempt into branch 'master'. Save the collapsed state of nodes in .kra files M +12 -0 krita/image/kis_base_node.cpp M +10 -0 krita/image/kis_base_node.h M +47 -2 krita/plugins/extensions/dockers/defaultdockers/kis_layer_box.cpp M +3 -0 krita/plugins/extensions/dockers/defaultdockers/kis_layer_box.h M +2 -0 krita/ui/kra/kis_kra_loader.cpp M +1 -0 krita/ui/kra/kis_kra_savexml_visitor.cpp M +1 -0 krita/ui/kra/kis_kra_tags.h http://commits.kde.org/calligra/680a01ff6b9e263fc2539899945ae74a577c7c13