Yes, I'm using macOS. Forgot to mention that. Everything seems to work fine
on Linux.
A quick binary search through old trunk bundles from [1] suggests that the
problem was introduced in January. Hope I have some time to look into this
in more detail soon.

Fabio

[1] http://files.squeak.org/5.3alpha


On Thu, Apr 18, 2019 at 2:38 PM K K Subbu <kksubbu.ml at gmail.com> wrote:

> I couldn't reproduce it in my Squeak image (Ubuntu 16.04 64b). I see a
> fading only when hovering over the X icon of a minimized window but it
> doesn't flicker.
>
> Is this on OS X?
>
> Regards .. Subbu
>
> On 18/04/19 1:32 AM, Fabio Niephaus wrote:
> > Hi all,
> >
> > I just downloaded the latest trunk build (Squeak5.3alpha-18491-64bit,
> > see [1]) and noticed this weird hover animation:
> > button.gif
> >
> > It seems that only the close buttons (in all system windows) are
> > effected and I have no idea why and since when. Other buttons behave as
> > usual.
> >
> > Does anyone have an idea what this could be and how to fix it?
> >
> > Fabio
> >
> >
> > [1] http://files.squeak.org/5.3alpha/Squeak5.3alpha-18491-64bit/
> >
> >
>
>
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