Apple has updated iBooks Author to version 2.5 with new templates for creating interactive EPUB books. The ebook production and publishing app also enables support for publishing to iBooks using an Apple ID with two-factor authentication, improves workflow when publishing books on behalf of multiple sellers, and brings the standard vague promise of performance and stability improvements. iBooks Author also now requires a minimum of OS X 10.11 El Capitan. (Free from the Mac App Store, 405 MB, 10.11+)
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