On 28th of March 2018, Peter Eisentraut committed patch: Transforms for jsonb to PL/Python Add a new contrib module jsonb_plpython that provide a transform between jsonb and PL/Python. jsonb values are converted to appropriate Python types such as dicts and lists, and vice ...

update! It looks that this has been reverted On 2nd of April 2018, Simon Riggs committed patch: MERGE SQL Command following SQL:2016 MERGE performs actions that modify rows in the target table using a source table or query. MERGE provides a single SQL statement that can ...

On 26th of April, Peter Eisentraut committed patch: Add transforms feature This provides a mechanism for specifying conversions between SQL data types and procedural languages. As examples, there are transforms for hstore and ltree for PL/Perl and PL/Python. reviews by Pavel Stěhule and Andres ...