How can I find out when Terraform will support newly released AWS services?

For example, AWS announced their new "RDS Proxy" service at re:Invent 2019 and it is now in preview. How can I find out when/if Terraform will support this (for planning purposes)?

https://aws.amazon.com/about-aws/whats-new/2019/12/amazon-rds-proxy-available-in-preview/

Answer

https://www.hashicorp.com/blog/