Release 2018_034 (2018-11-15)

Impact

• [NixOS] PostgreSQL servers will be restarted (#107068).

• [NixOS] Applications linked to libpg will be rebuilt and possibly restarted (#107068).

NixOS platform

• Update PostgreSQL versions to 9.3.25, 9.4.20, 9.5.14, 9.6.11, 10.6 (#107068).

• Update GnuPG to 1.4.23 (#107084).

• Lower vm.swappiness sysctl value to 20.