Public bug reported:
Ubuntu 26.04, latest updates
Steps to reproduce:
1. Install Firefox via Snap (channel stable/ubuntu-26.04 as stable has some
known/fixed issues with cursor)
2. Open Nautilus and attempt to drag a file into Firefox
3. Drag never completes
Expected: file is dropped into Firefox
Actual: journalctl shows:
xdg-document-portal: error: Invalid id firefox_firefox: Names must contain at
least 2 periods
Environment:
- Ubuntu 26.04, GNOME 50 beta 1, Wayland
- xdg-desktop-portal 1.21.0
- Firefox Snap revision 7966
xdg-document-portal validates app IDs using D-Bus naming rules
(requiring 2+ periods) but Snap app IDs use underscore format (snap_app)
which i think is a valid Snap identifier. The portal should handle both
formats, the one used by snap and the dots used by Flatpack or similars.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: xdg-desktop-portal 1.21.0+ds-1ubuntu4
ProcVersionSignature: Ubuntu 6.19.0-9.9-generic 6.19.5
Uname: Linux 6.19.0-9-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed Mar 11 12:01:36 2026
InstallationDate: Installed on 2023-05-04 (1042 days ago)
InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64 (20230418)
SourcePackage: xdg-desktop-portal
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: firefox (Ubuntu)
Importance: Undecided
Status: New
** Affects: xdg-desktop-portal (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
** Also affects: firefox (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2143896
Title:
Title: xdg-document-portal rejects Snap app IDs (firefox_firefox)
breaking drag-and-drop
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