It's Time to Move to ePub 3.2
peter.suber's bookmarks 2019-06-28
"EPub 3 is much better aligned with web technologies and W3C standards, so ePub 3s are more futureproof than ePub 2s. And ePub 3 is designed from the get-go to be made accessible. This isn’t new. ePub 3.0 came out in 2011 and was subsequently refined a bit as ePub 3.0.1, which didn’t make existing ePub 3.0s obsolete...."