broulik added a comment.
> OTOH this will not work if kimageformats is not installed, and the thumbnailer gives no hint about that. REPOSITORY R320 KIO Extras REVISION DETAIL https://phabricator.kde.org/D18882 To: broulik, jtamate, dfaure, ngraham Cc: pino, ngraham, kde-frameworks-devel, kfm-devel, alexde, feverfew, michaelh, spoorun, navarromorales, firef, andrebarros, bruns, emmanuelp, mikesomov