When upgrading from CMS 12 to 13, resolving property display names may not work as before. Here’s what changed.

Custom IValidate validators in Optimizely CMS 13 are no longer auto-discovered. They must be registered explicitly when upgrading from CMS 12.

Learn what to to with the warning: 'PageReference' is obsolete: 'Use ContentReference instead.'

The Alloy demo site now runs on Optimizely CMS 13. Here’s a quick guide to getting it up and running locally.