Created attachment 184147 [details] Tooltip preinstalled themes The tooltips of the preinstalled themes under Tools - Options - LibreOffice - Personalisation are not localised.
On pc Debian x86-64 with master sources updated today, I could reproduce this. Code pointer: extras/source/gallery/personas/personas_list.txt (see https://opengrok.libreoffice.org/xref/core/extras/source/gallery/personas/personas_list.txt?r=47819ba0) SvxPersonalizationTabPage::LoadDefaultImages (see https://opengrok.libreoffice.org/xref/core/cui/source/options/personalization.cxx?r=3d236177#104)
Muhammet/Andreas: thought you might be interested in this one.