Quote:
Originally Posted by H3g3m0n
Then again maybe it's possible to just rename a epub to kepub... That wouldn't explain the speed difference (unless the slowness was deliberate attempt to discourage sideloading, or if the kepub was being rendered based on its extension using a different engine).
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You're correct, Kepubs are rendered with a different engine than sideloaded ePubs. From my memory, different DRM schemes are the reason that the rendering is split. (Kobo DRM vs. Adobe DRM)
Months back, when some of the sharing & annotation options hadn't been ported to the ePub engine yet, there were people who renamed their side loaded books to .kepub to trigger the Kobo engine's rendering without issue. (Though of course for this to work, the book would need to be DRM-free)
I haven't tried renaming yet, since that would mean my annotations and highlights would vanish from the device (though I can save them with Calibre) but I might soon, since the page turns are veeerrry slow.