Version 2.4.5-2 of z-push is marked for autoremoval from testing on Sat 30 Mar 2019. It depends (transitively) on kopanocore, affected by #922313. You should try to prevent the removal by fixing these RC bugs.
Last update: 2019-02-22
Depends on packages which need a new maintainer
The packages that z-push depends on which need a new maintainer are: