Immediately after the public release of macOS High Sierra, Apple has updated the iMovie app to version eBank opening and servicing 10.1.7.
Added support for new video format HEVC presented by Apple at WWDC 2017. The new version also has improved file compatibility when publishing them on YouTube.
HEVC is a new video format in iOS and macOS 11 10.13, reducing file size by up to 50% without loss of quality.
The new version of iMovie available for download in the Mac App Store for free.