1. install https://flathub.org/apps/details/org.bunkus.mkvtoolnix-gui 2. right click -> Source files: -> + Add files 3. Filter: is empty This does work under GNOME / with xdg-desktop-portal-gtk.
Created attachment 132100 [details] dbus-monitor --session
A possibly relevant merge request was started @ https://invent.kde.org/plasma/xdg-desktop-portal-kde/-/merge_requests/31
Here is a fix: https://invent.kde.org/plasma/xdg-desktop-portal-kde/-/merge_requests/31
It should be fixed already with the updated runtime.
(In reply to Jan Grulich from comment #4) > It should be fixed already with the updated runtime. Ignore. Wrong bug.
Git commit 62e6605207d151b34b8c78c00ff5087d4831e85a by Jan Grulich. Committed on 23/10/2020 at 05:30. Pushed by grulich into branch 'master'. FileChooser: escape slash character in user visible filter name Do this only in case of non-mobile file dialog M +11 -3 src/filechooser.cpp M +1 -1 src/filechooser.h https://invent.kde.org/plasma/xdg-desktop-portal-kde/commit/62e6605207d151b34b8c78c00ff5087d4831e85a
Git commit e8289ad3ac9ea2c189a17dc6cb656e312f6e71b3 by Jan Grulich. Committed on 23/10/2020 at 14:24. Pushed by grulich into branch 'Plasma/5.20'. FileChooser: escape slash character in user visible filter name Do this only in case of non-mobile file dialog M +11 -3 src/filechooser.cpp M +1 -1 src/filechooser.h https://invent.kde.org/plasma/xdg-desktop-portal-kde/commit/e8289ad3ac9ea2c189a17dc6cb656e312f6e71b3