The release branch for scap has tags for 3.8.5-1.
Instructions available on Wikitech.
Changelog is pretty short and is mostly patches for T198640: Perform scap canary checks after sync-wikiversions
scap (3.8.5-1) unstable; urgency=low * sync-wikiversion: don't overwrite AbstractSync (Bug: T198640) * Add --force to AbstractSync * Skip cache_git_info for sync-wikiversions -- Tyler Cipriani <tcipriani@wikimedia.org> Fri, 31 Aug 2018 12:52:00 -0600