Thank you for your bug report, that seems a gtk issue, the left pane of the gtk3-demo has the same issue
** Package changed: nautilus (Ubuntu) => gtk+3.0 (Ubuntu) ** Changed in: gtk+3.0 (Ubuntu) Importance: Undecided => Low ** Changed in: gtk+3.0 (Ubuntu) Status: New => Confirmed ** Also affects: gtk Importance: Undecided Status: New ** Summary changed: - Unfolding/Folding Issue in Nautilus 3.2.1 Main Window "List View" + Unfolding/Folding doesn't work in gtk lists if you don't move the mouse cursor -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/883475 Title: Unfolding/Folding doesn't work in gtk lists if you don't move the mouse cursor To manage notifications about this bug go to: https://bugs.launchpad.net/gtk/+bug/883475/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs