Last month, Debian development team on whether to support the issue of non-systemd system was initialized vote , finally reached a consensus that " choice but to explore alternative systemd ," and recently updated Debian Policy also reflects this.
Debian Policy 4.5 is the latest version, which contains guidelines on the "Select systemd But while exploring alternatives" The vote of the response.
The latest Debian Policy manual states that the package should include a system service with systemd services unit, if the unit is not systemd is encouraged to use the init script, otherwise it is optional. In addition, the manual also encourage init script support "status" parameter. If the package contains the init script requires the use of update-rc.d.
Debian Policy as well as a notable update is hard-coded to create a new package automatically generated user name or user name for should begin with an underscore.