Libreoffice Drag&Drop not working with modifier on Qt based systems (KDE-Neon) The item to be dragged can be selected and dragged but when combined with a modifier like a control key, the dragged item still MOVES to the new location rather than being duplicated (COPIED) there. This appears to be a problem with the VLC plugin because when LO is opened with: SAL_USE_VCLPLUGIN=gtk3 lowriter or SAL_USE_VCLPLUGIN=gtk3 localc, Drag&Drop works as expected.
I guess it was fixed, because it works fine for me with Arch Linux 64-bit Version: 6.4.3.2 Build ID: 6.4.3-1 CPU threads: 8; OS: Linux 5.6; UI render: default; VCL: kf5; Locale: fi-FI (fi_FI.UTF-8); UI-Language: en-US Calc: threaded