We just released a minor platform update — v1412.1.
Ruby 2.2.0 is added featuring a better garbage collector and other performance improvements.
Erlang has been updated to version 17.4.
Elixir is now on version 1.0.2.
JRuby is updated to 1.7.18 with a main goal to improve compatibility with Ruby 1.9.3.
PostGIS is now on version 2.1.5.
A full list of changes is available in the platform changelog.