On 05/04/18 07:08, Colin Law wrote:
> On Thu, 5 Apr 2018, 06:55 rikona, <rikona at sonic.net
> <mailto:rikona at sonic.net>> wrote:
> Running 16.04 fully updated. A while back I had a problem where
> programs would "disappear" when minimized. At that time I got a number
> of good suggestions and workarounds on this list that made it mostly
> work correctly. Thank you all again. Since then I have seen something
> else that made it look like they disappeared. What happens is that,
> when minimized, they are associated with an icon on the left vertical
> column that has NO RELATIONSHIP to the running program. The small white
> triangle does appear on that icon, and when clicked brings back the
> minimized program. Program A always goes to the same unrelated icon Z -
> it is not random.
> Generally that would be a bug in that program. I suggest reporting it
> using ubuntu-bug package-name.
Rikona said "programs"..."they" which indicates that this isn't a single
program with a bug. It sounds more like either a bug in a shared library
that they all use, or a bug in the icon management.