postgres 9.4 json jsonb

Each major release of PostgreSQL brings lots of great new functionality. The recent release of PostgreSQL 9.4 includes an exciting new JSON data type, improvements to window functions, materialized views, and a host of other performance improvements and enhancements. We’ll go into more depth on what’s new and exciting in this release below, but first, we want you to know that Postgres 9.4 is available in beta right now on Heroku:

$ heroku addons:add heroku-postgresql –version=9.4

Because the safety and reliability of your data is incredibly important to us, we’re launching 9.4 support in a beta state. This means…