We updated the cornerstone plugin from 1.3.3 to 2.1.7. PHP version is 5.6.
Editing existing content seems fine. However, when creating a new post (basic page with title and text) with cornerstone, the preview page shows and saves fine (can also see the raw post content is showing cornerstone tags/content), but the live page is empty.
Have cleared/turned off caching to no avail. Please advise.