--- myst: html_meta: "description": "What's New in Plone?" "property=og:description": "What's New in Plone?" "property=og:title": "What's New in Plone?" "keywords": "New, Plone, release, notes, changes" --- (plone5-label)= # What's New in Plone? This is a list of major changes in the last major Plone versions. Plone 5.0 was released in September 2015. Plone 5 was a major release that changed the default content type framework, the default theme and the way CSS and JavaScript resources are bundled and delivered to the browser. Plone 5.1 was released in October 2017 and holds a couple of smaller improvements. Plone 5.2 was released in March 2019. Plone 5.2 is the first version that supports Python 3. It also has some improvements like a new drop-down navigation and built-in URL-management. Plone 6 is not yet released. Plone 6 will only run on Python 3 and will ship with Volto, a new ReactJS-based frontend. The "Classic UI" frontend will stay in place. ## Plone 5.0 (plone5-content-types-label)= ### Content Types While Plone 4 used Archetypes all default types since Plone 5.0 are based on Dexterity. This means you can use behaviors to change their features and edit them through the web. Existing old content can be migrated to the new types. ### Default Theme The default theme of Plone 5.x is called [Barceloneta](https://github.com/plone/plonetheme.barceloneta/). It is a Diazo theme, meaning it uses {py:mod}`plone.app.theming` to insert the output of Plone into static html/css. It uses HTML5, so it uses `
`, `