SUMMARY *** I use a Windows Server network share (SMB) for pretty much all my projects and media. I can't drag-and-drop files from my network share to my web browser for posting on social media sites - in other words, the drag-and-drop functionality of sites like Twitter, Reddit, and Gab. If I copy a file to my local disk, I can upload/attach just fine. *** STEPS TO REPRODUCE 1. Connect to SMB share from the address bar or "Add Network Folder" button 2. Open your favorite social media site - I've tested Twitter, Reddit, and Gab 3. Make a new post and drag-and-drop supported media (photos or videos) OBSERVED RESULT Nothing happens. It's as if no drag-and-drop attempt was made. EXPECTED RESULT Upload/attach media per normal behavior for the given social media site. SOFTWARE/OS VERSIONS Linux/KDE Plasma: 6.4.2-arch1-1 (64-bit) (available in About System) KDE Plasma Version: 5.27.6 KDE Frameworks Version: 5.108.0 Qt Version: 5.15.10
I can confirm that this bug also exist on Opensuse Leap 15.5, Tumbleweed and Kubuntu 23.10. In addition to smb shares, Dolphin also fails to drop from ssh (fish://) directory to web browser (Firefox, Chromium, Chrome). I tested this behavior with the web app Moodle.
I discovered last night that this same problem occurs when trying to drag-and-drop music from an SMB share into the Elisa music player. I have found a somewhat kludgy workaround for those affected: 1. Install Visual Studio Code 2. Right-click on the folder you're trying to drag-and-drop from and select "open with vscode" 3. VSCode will automatically map the SMB share to a dynamic directory location (so you can't bookmark it, unfortunately), which you can then use with any application that doesn't support the new network drive mounting standard.
Probably caused by the smb/sftp URL that is passed on instead of the local path as described in bug #429067