Supported WordPress Versions
Learn which versions of WordPress are currently supported, as well as additional compatibility information.Discuss in our Forum Discuss in Slack
Pantheon supports the latest public version of WordPress. Outdated versions of WordPress might function on the platform, but they are not actively supported.
Using a previous WordPress version leaves your account vulnerable to well-documented security flaws. It is strongly recommended to use only the most up-to-date version of WordPress.
Development versions and beta releases are not supported.
Refer to WordPress Plugins and Themes with Known Issues for a list of known compatibility issues.