Originally Posted by KevinH
I modified kindlestrip_v130.py provided above to properly update the EXTH 121 metadata value if need be and now it appears to work just fine with the KindlePreviewer.
So here is an experimental kindlestrip_v132.py.zip that hopefully support K8 style mobis.
Great! I experienced no issues with the method that zeroed the section where the SRCS used to be, but who knows if it would have caused problems when submitting to Amazon or not. This approach seems more "official."