panko 3.1.0-6 is marked for autoremoval from testing on 2018-06-14
It (build-)depends on packages with these RC bugs:
894363: uwsgi: uwsgi (build) depends on openjdk-8
894624: uwsgi: uwsgi FTBFS with glusterfs 4.0.1-1
897097: uwsgi: uwsgi must drop libapache2-mod-proxy-uwsgi{,-dbg}