FCP X 10.0.7 blank thumbnails on import
I don't know if others have noticed this issue but on the new release (10.0.7) I sometimes don't see the thumbnail preview of the media in my import window (usually after importing some parts and then reopening the window to import more.. and no, it's not because I have hide imported clips checked off). The card is loaded but the thumbnails are all blue (no picture showing). If I click on the blank thumbnail then it will show the preview but as soon as I unclick then the thumbnail preview goes blank again. I have both stills and video on the same card (haven't tried to see if it's different if I only have one kind of media.) This media is from a 5DMKiii on a 600X Lexar CF card with Firewire connection to my MBP RD. This would happen occasionally on 10.0.6 (the nightmare update!) as well but never on the previous versions. If I exit and restart FCPX and restart the app then the problem is solved; but if I import and then come back and reimport I will sometimes see this problem. Anybody else has seen this problem? Is it just a bug? Have to wait for the next version again?!!
MacBook Pro with Retina display, Mac OS X (10.7.5)