XnViewMP 0.93.1 no thumbnails for mkv or webm, Linux specific

[mustbeit]

Hi,
XnViewMP 0.93.1

Under win10, I can have thumbnails for mkv or webm files
Under Linux, it fails to generated them

Tools\Options\File liste>Personnalized filters
Under "Others" I put mkv webm

Thanks for fixing this

[xnview]

if you add extensions it works?

[jadO]

Under win10, I can have thumbnails for mkv or webm files
Under Linux, it fails to generated them

Let me add following issue to this as it might be a similar cause: On Windows we see only 1 thumbnail generated for any .webm and .mkv although show 4 thumbnails in video's thumbnail has been enabled.