OpenACS 5.8.0b1 is available as tar file for download
https://openacs.org/projects/openacs/download/one-revision?revision_id=4079447The release contains (as always) just openacs-core, but it is at a level, where one can use "install from repository" to install e.g. xowiki and all required components. The final release will contain a summary of the changes.