Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: gnome-shell (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1837968
Title:
GNOME Shell (X11) task switcher and LibreOffice
Status in gnome-shell package in Ubuntu:
Confirmed
Bug description:
Upgraded to 18.04.2 LTS (GNOME Shell 3.28.4/X11) from 16.04 LTS
(Unity) and noticed that Alt-Tab task switcher doesn't update
immediately with LibreOffice documents.
Case in point:
I've got LibreOffice, Firefox and a Nautilus window with a directory of
LibreOffice spreadsheets open. When I Alt-Tab through this I see a generic
LibreOffice icon, a Firefox icon (and its open windows) and a Nautilus icon.
I'll then switch to the Nautilus window and open spreadsheet(s) and I see that
LibreOffice has loaded them in the background behind the Nautilus window. Now
when I Alt-Tab to switch to LibreOffice, there is not even a generic
LibreOffice icon anymore. If I wait a few seconds and Alt-Tab again, I then see
a LibreOffice Calc icon (and the open file windows).
Update: I restarted using Wayland instead of X11 and the problem seems
resolved, although LibreOffice defaults to a generic LO icon instead
of a specific Writer/Calc/Draw/etc. icon in the switcher. But Wayland
is not yet an option for me at present. Nevertheless it exists in
GNOME Shell using X11.
I haven't noticed similar behaviour with other programs with similar lags in
the task switcher. This delay wasn't present (for me) before the upgrade/switch
to GNOME Shell, so I'm assuming it's a Ubuntu/GNOME problem. I've also seen
that similar problems have been reported in the past but for the most part they
are quite old and I did not find this reported with the latest GNOME/Ubuntu
18.04LTS hence my new bug report. Thank you.
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ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
DisplayManager: gdm3
DistroRelease: Ubuntu 18.04
EcryptfsInUse: Yes
InstallationDate: Installed on 2016-05-08 (1173 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.1)
Package: gnome-shell 3.28.4-0ubuntu18.04.1
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 4.15.0-55.60-generic 4.15.18
Tags: bionic
Uname: Linux 4.15.0-55-generic x86_64
UpgradeStatus: Upgraded to bionic on 2019-06-15 (40 days ago)
UserGroups: adm audio cdrom dip lpadmin plugdev sambashare sudo video
_MarkForUpload: True
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