I found this bug for the scrollbar warning.
https://bugzilla.gnome.org/show_bug.cgi?id=769566
I don't know about the critical warning that you have or have a solution
figured out. I am not much help there.
Eric
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On Sun, 2017-12-17 at 17:54 -0500, cecas...@aol.com wrote:
>
> Hi Richard,
>
> This sounds similar to the problem Dino Aljević had in "Scrolled
> TreeView and size allocation warnings" in this list in September?
>
> I can get the warning
>
> "(treeview4:3830): Gtk-WARNING **: Allocating size
