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Old 07-14-2025, 06:21 PM   #3
DNSB
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Quote:
Originally Posted by mallomar View Post
My System Details:
  • Calibre Version: [8.16]
  • Operating System: [macOS Sequoia 15.6]
(I am posting this here because I was unable to use the official bug tracker. This is the second time I've tried to report this bug on Launchpad over the last few weeks, and I receive an "Oops!" error page each time I try to log in.)
Is the calibre version a typo? It is 10 major versions ahead of the current calibre 8.6 release.

And the MacOS Sequoia version would appear to be a beta.

As for the difference between using the calibre conversion pipeline and the KFX Input plugin? What you are running into is the same reason I use the KindleUnpack plugin for azw3/KF8. The output ePub generated by KindleUnpack is a lot closer to the original ePub input to KDP than is the output from the calibre conversion pipeline. OTOH, the calibre conversion can handle a lot more formats. That it can munge the structure, CSS, etc. of an output ePub from the semicompiled KFX or azw3/KF8 input is something that you may have to live with if you are going to insist on using calibre's conversion pipeline.

I suspect that you are not going to see any major changes in the calibre conversion pipeline since that would be time intensive with testing required on multiple formats both input and output.

Last edited by DNSB; 07-14-2025 at 06:23 PM.
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