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/ iMovie 10.1.7 Agen G. N. Schmitz Apple has released [1]iMovie 10.1.7, adding support for Apple's new High Efficiency Video Coding (HEVC) format used by macOS 10.13 High Sierra and iOS 11 (see '[2]HEVC and HEIF Will Make Video and Photos More Efficient,' 30 June 2017). The update also improves compatibility when sharing videos to YouTube. iMovie now requires macOS 10.12.2 Sierra or higher. (Free from the [3]Mac App Store, 2.14 GB, 10.12.2+) References 1. http://www.apple.com/mac/imovie/ 2. http://tidbits.com/article/17310 3. https://itunes.apple.com/us/app/imovie/id408981434?mt=12&at=10l5PW .