Public bug reported:
When launching Simple Scan on a system upgraded from Ubuntu 24.04 (Noble
Numbat) to Ubuntu 25.10 (Resolute Roo) via do-release-upgrade, the
application appears with a generic icon in the GNOME dock while running.
The icon displays correctly in the application grid.
The simple-scan.desktop file does not include a StartupWMClass entry.
Adding the following line to /usr/share/applications/simple-scan.desktop
resolves the issue:
StartupWMClass=org.gnome.SimpleScan
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: simple-scan 48.1-0ubuntu3
ProcVersionSignature: Ubuntu 7.0.0-17.17-generic 7.0.2
Uname: Linux 7.0.0-17-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Mon May 18 13:29:25 2026
InstallationDate: Installed on 2020-07-06 (2142 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: Dell Inc. OptiPlex SFF Plus 7010
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-17-generic
root=UUID=0e193486-16a8-469f-90b9-412331e9b2e0 ro quiet splash
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
SourcePackage: simple-scan
UpgradeStatus: Upgraded to resolute on 2026-05-06 (12 days ago)
dmi.bios.date: 01/26/2026
dmi.bios.release: 1.34
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.34.0
dmi.board.name: 0YGWFV
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.ec.firmware.release: 1.21
dmi.modalias:
dmi:bvnDellInc.:bvr1.34.0:bd01/26/2026:br1.34:efr1.21:svnDellInc.:pnOptiPlexSFFPlus7010:pvr:rvnDellInc.:rn0YGWFV:rvrA01:cvnDellInc.:ct3:cvr:sku0BD0:pfaOptiPlex:
dmi.product.family: OptiPlex
dmi.product.name: OptiPlex SFF Plus 7010
dmi.product.sku: 0BD0
dmi.sys.vendor: Dell Inc.
** Affects: simple-scan (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
** Description changed:
When launching Simple Scan on a system upgraded from Ubuntu 24.04 (Noble
Numbat) to Ubuntu 25.10 (Resolute Roo) via do-release-upgrade, the
application appears with a generic icon in the GNOME dock while running.
The icon displays correctly in the application grid.
The simple-scan.desktop file does not include a StartupWMClass entry.
Adding the following line to /usr/share/applications/simple-scan.desktop
resolves the issue:
- ```
StartupWMClass=org.gnome.SimpleScan
- ```
+
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: simple-scan 48.1-0ubuntu3
ProcVersionSignature: Ubuntu 7.0.0-17.17-generic 7.0.2
Uname: Linux 7.0.0-17-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Mon May 18 13:29:25 2026
InstallationDate: Installed on 2020-07-06 (2142 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: Dell Inc. OptiPlex SFF Plus 7010
ProcEnviron:
- LANG=en_US.UTF-8
- PATH=(custom, no user)
- SHELL=/bin/bash
- TERM=xterm-256color
- XDG_RUNTIME_DIR=<set>
+ LANG=en_US.UTF-8
+ PATH=(custom, no user)
+ SHELL=/bin/bash
+ TERM=xterm-256color
+ XDG_RUNTIME_DIR=<set>
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-17-generic
root=UUID=0e193486-16a8-469f-90b9-412331e9b2e0 ro quiet splash
crashkernel=2G-4G:320M,4G-32G:512M,32G-64G:1024M,64G-128G:2048M,128G-:4096M
SourcePackage: simple-scan
UpgradeStatus: Upgraded to resolute on 2026-05-06 (12 days ago)
dmi.bios.date: 01/26/2026
dmi.bios.release: 1.34
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.34.0
dmi.board.name: 0YGWFV
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.ec.firmware.release: 1.21
dmi.modalias:
dmi:bvnDellInc.:bvr1.34.0:bd01/26/2026:br1.34:efr1.21:svnDellInc.:pnOptiPlexSFFPlus7010:pvr:rvnDellInc.:rn0YGWFV:rvrA01:cvnDellInc.:ct3:cvr:sku0BD0:pfaOptiPlex:
dmi.product.family: OptiPlex
dmi.product.name: OptiPlex SFF Plus 7010
dmi.product.sku: 0BD0
dmi.sys.vendor: Dell Inc.
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https://bugs.launchpad.net/bugs/2152933
Title:
Dock shows generic icon for Simple Scan
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