Several weeks ago we added support for Postgres 9.3 in public beta the day it was released to the community. We've had many customers use it so far and it has proven to be robust and reliable. Early adopters have started to take advantage of the great new features in this version including:
Today we're excited to release Postgres 9.3 in General Availability and setting it as the default version when provisioning a new Heroku Postgres database. Defaulting to the latest version of Postgres ensures our customers can make use of the latest features and performance improvements available.