Sony have just released an interim software update for the PMW-F5 and F55. This update fixes a bug which affects the playback of HDCAM SStP files. The essence recorded by v1.2 and v1.22 in any HDCAM files is OK but there is a small issue with the files that means they may not play back as expected.
Here are the links to the new firmware:
If updating from version 1.15 or earlier it is VITAL that you perform an “all reset” immediately after the update.