Kopano Core Update 8.6.9 to 8.7.0 at UCS 4.2-5 w/ Kopano repo: missing/old integration package

Apps & App Center
11

can you run the following command to get some insights why it was removed?

apt-get -s -o Debug::pkgProblemResolver=yes install kopano4ucs

(and then further down for whatever package he marks there as missing)