On 22nd of November, Tom Lane committed patch: Support multi-argument UNNEST(), and TABLE() syntax for multiple functions. This patch adds the ability to write TABLE( function1(), function2(), ...) as a single FROM-clause entry. The result is the concatenation of the first row from ...

On 29th of July, Greg Stark committed patch: Add SQL Standard WITH ORDINALITY support for UNNEST (and any other SRF) Author: Andrew Gierth, David Fetter Reviewers: Dean Rasheed, Jeevan Chalke, Stephen Frost

On 7th of August, Tom Lane committed patch: Implement SQL-standard LATERAL subqueries. This patch implements the standard syntax of LATERAL attached to a sub-SELECT in FROM, and also allows LATERAL attached to a function in FROM, since set-returning function calls are expected to be ...

On 26th of September, Peter Eisentraut committed patch which adds: Add ALTER TYPE ... ADD/DROP/ALTER/RENAME ATTRIBUTE   Like with tables, this also requires allowing the existence of composite types with zero attributes.   reviewed by KaiGai Kohei

On 28th of October Tom Lane committed his patch that changes some internals of functions, but it also adds interesting capability.

Pavel Stehule wrote, and Tom Lane committed patch which ads new syntax for set-returning functions: "RETURNS TABLE".