Rails 4, Part 2: What''s New in Rails 4?Note: This is the second in a two-part series that looks at what’s changing in Rails 4, and new features in Rails 4. Missed the first part? Check it out the first post Rails 4 changes. Rails 4 also includes some awesome new and useful features that I’m very excited about, and I suspect that you will be, too. ###Postgres H-Store ActiveRecord in Rails 4 will support the PostgreSQL hstore extension.
