Does Amazon Aurora Postgres support lambda invocations?

PostgreSQL on RDS:

If you are using PostgreSQL on RDS, then as of now it doesn't support invoking lambda function as triggers.

Amazon Aurora(PostgreSQL Compatibility):

As of now this also doesn't support invoking lambda function as triggers.

PostgreSQL on EC2:

But if you have setup PostgreSQL on EC2, then you use leverage PL/Python language to create your User Defined Functions and AWS Python SDK to invoke Lambda functions.

In the below links, checkout the section titled PostgreSQL setup , in which they have provided detailed steps to achieve the same.

AWS Blog Link: Set up a SQL-to-Lambda interface

GitHub Link: aws-lambda-rdbms-integration

Since December 2020 Aurora PostgreSQL supports Lambda invocations. Documentation can be found here.