Hi. Le samedi 24 décembre 2022, 10:33:52 CEST Aurélien COUDERC a écrit : > > Le 24 décembre 2022 09:57:15 GMT+01:00, "luca.pedrielli" <[email protected]> a > écrit : > >Il 24/12/22 02:15, Miguel A. Vallejo ha scritto: > >> El lun, 28 nov 2022 a las 23:34, Martin Steigerwald > >> (<[email protected]>) escribió: > >>> Miguel A. Vallejo - 28.11.22, 23:26:52 CET: > >>>> Recently I noticed when I drag an icon in the desktop (fully updated > >>>> Sid), the icon lags behind the mouse cursor instead of following the > >>>> mouse cursor under it as it always did. > >> After almost a month of usage I can't get used to this "feature", it > >> makes the desktop feel sluggish and unresponsive. > >> > >> But I still haven't found where to disable it, so.... should I open a > >> bug? Against what package? At Debian or KDE? > >> > >> Thanks in advance. > >> > >I can confirm this issue, but not on all my machines. > >For example in virtualbox with 3D disabled, drag is immediate, it lags when > >3D is enabled. > >So it seems gpu related. > >It's ok with my intel graphic card. > > Yes it would be interesting to get more info about the setups and > combinations where it does lag (X11/Wayland, GPU and graphics driver, desktop > compositing enabled/disabled). > > On my machine it's not noticeable at all and becomes slightly noticeable > inside a KVM VM but the lag in that case is still a small fraction of a > second and not something I would want to open a bug for.
For the record this has been fixed in Qt5 version 5.15.8+dfsg-9 that already reached bookworm. Patrick identified the upstream commit and Dmitry backported it to our packages. Happy hacking, -- Aurélien
