The release branch for scap has tags for 3.9.0-1
Instructions available on Wikitech.
Here is the changelog, the main change is @Joe's opscache invalidation.
I've also added the python-concurrent.futures package to Depends in debian/control.
scap (3.9.0-1) unstable; urgency=low [ Tyler Cipriani ] * pipeline: test scap with CD pipeline * Docs: remove references to differential [ Antoine Musso ] * Change message to 'Copying from x to y' [ Giuseppe Lavagetto ] * Invalidate PHP7's opcache when needed (Bug: T211964) * Rewrite the concurrency logic of OpcacheManager (Bug: T211964) [ MarcoAurelio ] * Fix flake8 "F632 use ==/!= to compare str, bytes, and int literals" error -- Tyler Cipriani <tcipriani@wikimedia.org> Wed, 20 Feb 2019 16:39:39 -0700