I guess somewhere in the code the Portal uses some quotation marks to set the whole path to save a file to, including whitespaces, with these quotation marks: "" I had a File in Freetube Flatpak, a video that had a name like Veronica plays "Some music name" and the portal was not able to save this file, until I removed the whitespaces. Specified App: FreeTube io.freetubeapp.FreeTube 0.19.0 Beta stable flathub system --- Software --- OS: Fedora Linux 38.20230825.0 (Kinoite) KDE Plasma: 5.27.7 KDE Frameworks: 5.109.0 Qt: 5.15.10 Kernel: 6.4.11-200.fc38.x86_64 Compositor: Wayland
*** This bug has been marked as a duplicate of bug 426728 ***