"The folder contents could not be displayed: Operation was cancelled" when using Save Page As or Save Image As
When opening a file chooser to Save Page As or Save Image As, after returning from the file chooser, the UI process appears to hang. But it's not really hung: it's just waiting for the user to deal with a pop-up warning that appears hidden underneath the window:
This dialog (a) shouldn't happen, and (b) should be attached to the Epiphany window when it does happen anyway, so users actually notice it. But I guess (b) is probably hard to do....