Still here but double clicking no longer produces a crash. If you double click twenty times on the subfolder then press the refresh button you will get a 100% reproducible crash.
Here's what evolution printed on the terminal:
(evolution-2.10:13806): Gtk-CRITICAL **: gtk_tree_view_expand_row: assertion `GTK_IS_TREE_VIEW (tree_view)' failed
Segmentation fault (core dumped)
Still here but double clicking no longer produces a crash. If you double click twenty times on the subfolder then press the refresh button you will get a 100% reproducible crash.
Here's what evolution printed on the terminal: 2.10:13806) : Gtk-CRITICAL **: gtk_tree_ view_expand_ row: assertion `GTK_IS_TREE_VIEW (tree_view)' failed
(evolution-
Segmentation fault (core dumped)
Ubuntu Feisty
evolution 2.9.92-0ubuntu1