PG on AWS RDS and IAM authentication

[Ravi Krishna]

As per https://forums.aws.amazon.com/thread.jspa?threadID=258822&tstart=0 there 
was no IAM authentication for PG on AWS RDS. (It is there for MySQL).
However the link is a year old. Has it changed since then?  Can we use IAM 
authentication for PG.

Thanks