Deprecation notice: Netlify builds using the Xenial build image will fail after November 15, 2022 The Netlify build system maintains multiple build images , which set the environment in which your sites build. One or more of your sites is using the "Xenial" image, built on Ubuntu 16.04 ("Xenial Xerus"). Ubuntu Xenial finished its Long Term Support period in 2021 and is no longer supported by Canonical , a 3rd party company that provides official ubuntu support. This means no new bug fixes and security updates, nor new versions of included software. On November 15, 2022, we will end all support for the Netlify Xenial image. We have identified