supported platforms:
 Debian, Ubuntu, Mint, OpenSuse, Fedora, MacOS

positively checked platforms:
 Debian 8.6, 10.12, 11.4
 Ubuntu 9.10, 14.04,
        16.04, 16.10, 17.04, 17.10,
        18.04, 18.10, 19.04, 19.10,
        20.04, 20.10, 21.04, 21.10,
        22.04, 23.10, 24.04, 25.10,
        26.04
 Linux Mint 18.1, 21
 OpenSuse 13.2,
          15.1, 15.4
 Fedora 21
 Oracle Linux 8.6
 CentOS 7
 MacOS X 10.5, 10.6, 10.10, 10.11,
         10.12, 10.13, 10.14, 10.15
 MacOS 11.6, 12.6, 13.5, 14.7, 15.0
