small changes small changes master master small changes->master mass-rebuilds and other large changes mass-rebuilds and other large changes staging staging mass-rebuilds and other large changes->staging critical security fixes critical security fixes critical security fixes->master broken staging-next fixes broken staging-next fixes staging-next staging-next broken staging-next fixes->staging-next master->staging-next every six hours (GitHub Action) staging->staging-next stabilization starts staging-next->master stabilization ends staging-next->staging every six hours (GitHub Action)