Quote:
Originally Posted by jhowell
The 5.8.5 kindle firmware has a change that affects cover thumbnails for personal documents. A book downloaded from Amazon or sideloaded that is marked as a personal document (cdetype=PDOC) will no longer accept a sideloaded cover thumbnail image and will only show a generic cover thumbnail with the book's title and author.
Books marked with cdetype=EBOK still support cover thumbnails. Also, personal documents that were transferred to the kindle prior to installation of this firmware version are unaffected.
I have been sending books acquired outside of Amazon to my Amazon account as personal documents. This allows the reading position to be synchronized when I switch between devices. Unfortunately my kindle shows only a generic cover thumbnail for these books. In the past I have been able to correct this using the ExtractCoverThumbs program, which creates and sideloads a real cover image thumbnail to the kindle. This will no longer be possible going forward since the sideloaded image is ignored by the 5.8.5 firmware for personal documents.
The same will be true for books sideloaded using calibre if they were marked as a personal documents during conversion. In that case the cover thumbnail that calibre transfers along with the book will be ignored.
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I am on 5.8.5 and my personal docs sent via Send To Kindle (originally mobi files) show the cover, exactly the same as it did before I upgraded.
Could that be because Send to Kindle converts and sends to the Kindle as AZW files? (That's written on the sending page of Send To Kindle)