Reprinted from TidBITS by permission; reuse governed by Creative Commons license BY-NC-ND 3.0. TidBITS has offered years of thoughtful commentary on Apple and Internet topics. For free email subscriptions and access to the entire TidBITS archive, visit http://www.tidbits.com/ Fantastical 2.3.8 Agen G. N. Schmitz Flexibits has issued [1]Fantastical 2.3.8, a small but important update to the popular calendar app. Starting 15 June 2017, iCloud will require two-factor authentication and an app-specific password, and Fantastical will stop syncing your iCloud accounts if you do not take action. This update contains instructions for setting up two-factor authentication and generating an app-specific password. ($49.99 new from Flexibits and the [2]Mac App Store, free update, 14.0 MB, [3]release notes, 10.11+) References 1. http://flexibits.com/fantastical 2. https://itunes.apple.com/us/app/id975937182?mt=12&at=10l5PW 3. http://flexibits.com/fantastical_releasenotes .