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They are both up-to-date and identical, at least the ones you can find from vaadin.com/book. I just checked and both have 10.17 for the CDI section. Only the ePub version lags behind, as it's currently built manually.
I hope there isn't some cache or something playing tricks on you, or you used some other page to get the book. The chapter numbering would indicate so; the outdated Visual Editor chapter was removed couple of weeks ago.