What's New in Optimizely CMS 13: The Big Picture
Optimizely CMS 13 went GA on April 1, 2026. Visual Builder is now the default editor, Content Manager replaces tree-first navigation, Optimizely Graph and Opti ID are mandatory, and the platform jumps to .NET 10. Here's what actually changed, where it's worth caring, and what the upgrade is going to cost you.