As mentioned in the comments from the FSE Scope post the version of the full site editor being demoed on April 14 is already available in the Gutenberg 10.4 release candidate. Everyone is encouraged to test it and report bugs (GitHubGitHub GitHub is a website that offers online implementation of git repositories that can can easily be shared, copied and modified by other developers. Public repositories are free to host, private repositories require a paid subscription. GitHub introduced the concept of the ‘pull request’ where code changes done in branches by contributors can be reviewed and discussed before being merged be the repository owner. https://github.com/) or raise a flag (in the comments below) for what can be done now to make the WordPress 5.8 launch successful.