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Old 07-10-2024, 03:37 PM   #1
John F
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File size increase if open and close without saving

I'm using the calibre editor from within calibre and noticed that if I open an epub and close the editor without making any changes, the file size grows. I noticed that the file size went from 1.1 - > 2.8MB.

Is this expected behavior?

I normally remove fonts, lossy compress by 50%, and remove unused classes.

calibre version 6.22.

Thank you.
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Old 07-10-2024, 04:43 PM   #2
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Check whether you have "Update metadata embedded in book when opening" checked in the editor under Edit, Preferences, Integration with calibre.
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Old 07-10-2024, 08:17 PM   #3
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Originally Posted by jhowell View Post
Check whether you have "Update metadata embedded in book when opening" checked in the editor under Edit, Preferences, Integration with calibre.
You are good.

That was it. Thank you.
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