Hi there DVXusers,

a while ago I updated my FS5 with the paid HFR update (which allows to record slow motion up to 120 fps continuously). While those files worked absolutley fine with Final Cut Pro X up to 10.3.x, something must have changed since FCPX 10.4. The files don't show any preview thumbnail in the media import window anymore, and when trying to import them FCPX closes immediately.

Did anyone else experience this?

(My unsatisfactory solution: At the moment I convert those files with Catalyst Browse to ProRes and import them to FCPX.)