Feature flagging in Optimizely allows gradual rollout of new features, or performing A/B/n tests, without need for deploying new code.

If you use the AdaptiveImageConverter or SingleImageConverter JSON converters for PropertyList properties, you need to make some minor changes to avoid errors when adding or editing items.

TinyMCE plugins allow you to extend the HTML editor in Optimizely CMS. In this example we'll look at adding a custom button to TinyMCE for formatting text with the element.

A summary of what's new in the major update for Adaptive Images released for Optimizely CMS 12.

The Google Maps editor has been updated for Optimizely CMS 12, making it easier than ever for editors to use an interactive map to specify map coordinates.