Kindle Firmware 5.13.5 changed embedded font management

Bug #1920613 reported by Peter Marko
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
calibre
Fix Released
Undecided
Unassigned

Bug Description

Publisher Font option is not available in side-loaded books converted with Calibre using Kindle Firmware 5.13.5. However e-books converted with Kindle Previewer 3 to MOBI format still shows this option. There is a thread at MobileRead forums, which may help you to find a solution: https://www.mobileread.com/forums/showthread.php?t=337278.
"After further testing I have determined that the Publisher Font option is controlled by metadata within the KF8 file. If EXTH field 528 (OverrideKindleFonts) is set to "true" then the Publisher Font option is made available for that book. If it is missing or set "false" the Publisher Font option will not be shown."

Calibre version: 5.13.0
Operating system: Windows 10 Pro 20H2 x64

Revision history for this message
Kovid Goyal (kovid) wrote : Fixed in master

Fixed in branch master. The fix will be in the next release. calibre is usually released every alternate Friday.

 status fixreleased

Changed in calibre:
status: New → Fix Released
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