Flatpak application does not run and has an invalid icon #3560
Description
Is there an existing issue for this?
- I have searched the existing issues
Is your issue described in the documentation?
- I have read the documentation
Is your issue present in the latest beta/pre-release?
This issue is present in the latest pre-release
Describe the Bug
- Install sunshine_x86_64 from the v2025.118.151840 release.
- Try to execute the Sunshine application entry added by Flatpak.
- Nothing happens, and the application entry in the start screen has a missing icon.
Expected Behavior
The Sunshine application entry has the correct icon, and when clicked opens the user's default web browser to the Sunshine web UI.
Additional Context
The Icon= line in the .desktop file needs to have the .svg extension removed to be found (per desktop-file-validate; tested by removing it and verifying that it works).
Unclear what needs to be done to fix the Exec= line.
Host Operating System
Linux
Operating System Version
Pop! OS 22.04 LTS
Architecture
amd64/x86_64
Sunshine commit or version
v2025.118.151840
Package
Linux - flathub/flatpak
GPU Type
Intel
GPU Model
n/a
GPU Driver/Mesa Version
n/a
Capture Method
None
Config
n/aApps
n/aRelevant log output
# reya @ kugane in ~
$ desktop-file-validate /var/lib/flatpak/exports/share/applications/dev.lizardbyte.app.Sunshine.desktop
/var/lib/flatpak/exports/share/applications/dev.lizardbyte.app.Sunshine.desktop: error: (will be fatal in the future): value "dev.lizardbyte.app.Sunshine.svg" for key "Icon" in group "Desktop Entry" is an icon name with an extension, but there should be no extension as described in the Icon Theme Specification if the value is not an absolute path
/var/lib/flatpak/exports/share/applications/dev.lizardbyte.app.Sunshine.desktop: hint: value "AudioVideo;Network;RemoteAccess;" for key "Categories" in group "Desktop Entry" contains more than one main category; application might appear more than once in the application menu
# reya @ kugane in ~
$ /usr/bin/flatpak run --branch=master --arch=x86_64 --command=dev.lizardbyte.app.Sunshine dev.lizardbyte.app.Sunshine
bwrap: execvp dev.lizardbyte.app.Sunshine: No such file or directory
# reya @ kugane in ~ [0:29:55]
$ /usr/bin/flatpak run --branch=master --arch=x86_64 --command=gio dev.lizardbyte.app.Sunshine launch /app/share/applications/dev.lizardbyte.app.Sunshine_terminal.desktop
gio: Unable to launch application ‘/app/share/applications/dev.lizardbyte.app.Sunshine_terminal.desktop’: Unable to find terminal required for application
# reya @ kugane in ~ [0:30:20] C:1
$ /usr/bin/flatpak run --branch=master --arch=x86_64 --command=gio dev.lizardbyte.app.Sunshine launch /app/share/applications/dev.lizardbyte.app.Sunshine_kms.desktop
gio: Unable to load application information for ‘/app/share/applications/dev.lizardbyte.app.Sunshine_kms.desktop‘Metadata
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