Information and resources of the ongoing development effort for the Quartz64 can be found on the Development page, where the current status of various board functions can be found, and whether they have landed in upstream.
A note from the author: The documentation is currently in alpha and has known bugs because the content is directly parsed from the wiki without modifications. Known bugs include broken links, missing templates, a broken article order, missing pages and broken tables. These errors will be resolved before the release. Please help to test and improve it!