Digikam 9.1.0 App-Image lags after previewing 5-9 pictures?

[Gilles Caulier]

Hi,

While reviewing items in preview, capture the debug trace following
instructions here :

https://www.digikam.org/contribute/#linux-host

Gilles Caulier

Le dim. 22 mars 2026 à 11:02, Tonio Kroeger
<tonio.kroeger1903 at gmail.com> a écrit :
>
> Hi,
>
> I switched to the current appimage from https://files.kde.org/digikam/
>
> In preview mode (thumbnails on the top, preview of picture in the mail area) my digikam freezes for several seconds when clicking through the current album. For the first 7-9 everything is very fast but then there is a massive lag.
>
> My collection is very large but it is running on current hardware, database on an ssd, a lot of main memory, etc.
>
> I think i switched off all options that are suspect of causing such a lag, i.e. background face detection, preview embedded, fast scan, ...
>
> Best
>
> Tonio (loving dk since the mid 2000er)
>