- Browse to
about:config - Set
widget.use-xdg-desktop-portal.file-pickerto1 - Optionally: Set
widget.use-xdg-desktop-portal.locationto1 - Optionally: Set
widget.use-xdg-desktop-portal.mime-handlerto1
- Open Thunderbird Settings
- Under General, scroll down and click on "Config Editor..."
- Set
widget.use-xdg-desktop-portal.file-pickerto1 - Optionally: Set
widget.use-xdg-desktop-portal.locationto1 - Optionally: Set
widget.use-xdg-desktop-portal.mime-handlerto1
Source: https://thomjiji.github.io/blogs/2023/12/use-native-file-picker-on-kde/