The latest update to Adobe Muse CC, 2017.0.3, is now live. You can download the latest version from your Creative Cloud desktop app. Because it takes around 24 hours for the list of apps to get automatically refreshed, log out and sign into your CC desktop app if you don't see the latest version listed.
This release contains performance and stability improvements, and fixes for the following user-reported issues:
I am locking this post so that we can discuss topics related to this release under more relevant headings.