Version 4 supported This version of Silverstripe CMS is still supported though will not receive any additional features. Go to documentation for the most recent stable version. How to's: customising the admin interface#CMS alternating buttonAdd an "active" and "neutral" state to the CMS buttonsCMS form field help textAdd help text to the form fields in the CMSCustomise the CMS MenuMake custom changes to the left hand menu in the CMSCustomise the CMS pages listCustomise the CMS treeLearn how to add custom UI elements to the CMS page navigationCustomising React componentsLearn how to use Injector to override React-rendered form fieldsCustomising React formsUse Injector to add customisations to React-rendered formsCustomise site reportsCreating your own custom data or content reports.Extend the CMS interfaceCustomise the UI of the CMS backendExtending an existing ModelAdminModelAdmin interfaces that come with the core can be customised easily Edit on Github