From: Mortimer Hemmit (
Date: Wed Nov 18 2020 - 08:10:13 CST

Just adding that I also experienced the problem with invisible buttons
on macos Big Sur.

One more bug: if you maximize either the VMD main or graphical window,
VMD crashes.

On Wed, Nov 18, 2020 at 1:50 AM John Stone <> wrote:
> Hi,
> The latest Apple Big Sur operating system has broken the behavior
> of many applications (like VMD) that use cross-platform graphical
> user interface toolkits.
> We don't have a solution for this problem presently, but we will be
> testing new versions of the GUI toolkit libraries VMD uses to see if
> they might address the problem going forward.
> At the present time I have no estimate of how long it might take for
> this to be solved. When we think there's a solution, we will make
> it clear on the VMD web site and on the VMD-L mailing list.
> Best regards,
> John Stone
> On Tue, Nov 17, 2020 at 09:28:30PM -0500, Atreyo Pal wrote:
> > Hello,
> > I have VMD 1.9.4a48 downloaded on my Mac. But after updating my OS to Big
> > Sur, VMD opens, but every time I click on the window, all other options
> > disappear from view, although if I click on the empty pane, the option
> > which was supposed to be there comes up. How do I change things so I can
> > see all options on the pane?
> --
> NIH Center for Macromolecular Modeling and Bioinformatics
> Beckman Institute for Advanced Science and Technology
> University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
> Phone: 217-244-3349