There are plenty of nice minor improvements in the release notes. One of my favorites is "Allow array_agg() and ARRAY() to take arrays as inputs (Ali Akbar, Tom

There are plenty of nice minor improvements in the release notes. One of my favorites is "Allow array_agg() and ARRAY() to take arrays as inputs (Ali Akbar, Tom Lane)", it will come in handy when writing ad hoc queries to understand stored data. Right now I have to build a string which I use as input to array_agg().