RDS - aurora-postgresql dropped version 14.6?

Question

I've had a fresh Aurora Postgres cluster running with version 14.6 for a few weeks now.

Today I was doing updates to my general AWS infrastructure and noticed Terraform started returning errors when fetching engine version information for 14.6
```
data "aws_rds_engine_version" "postgresql" {
  engine  = "aurora-postgresql"
  version = "14.6"
}

Error: no RDS engine versions found
│ 
│   with data.aws_rds_engine_version.postgresql,
```

Confused, I checked Postgres and AWS management console and the versions are indeed 14.6 still
```
postgres=> select version();
                                                   version
-------------------------------------------------------------------------------------------------------------
 PostgreSQL 14.6 on aarch64-unknown-linux-gnu, compiled by aarch64-unknown-linux-gnu-gcc (GCC) 7.4.0, 64-bit
```

When checking for available versions with `describe-db-engine-versions`, 14.6 has disappeared (14.5 being latest).
```
aws rds describe-db-engine-versions --region eu-west-1 --engine aurora-postgresql --engine-version 14
```

Did I miss something about 14.6 being dropped or is this a bug?

Sachin_M · Answer

We have discovered a critical issue with Aurora PostgreSQL 14.6. We have released an updated version, 14.6.1, containing a fix for this issue. You can create an Aurora PostgreSQL 14.6 DB cluster using the AWS Management Console, the AWS CLI, or the RDS API.

aws rds describe-db-engine-versions --region eu-west-1 --engine aurora-postgresql --engine-version 14.6

[+] Amazon Aurora PostgreSQL updates -  Aurora PostgreSQL 14.6.1, February 17, 2023 - https://docs.aws.amazon.com/AmazonRDS/latest/AuroraPostgreSQLReleaseNotes/AuroraPostgreSQL.Updates.html#AuroraPostgreSQL.Updates.20180305.1461

RDS - aurora-postgresql dropped version 14.6?

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