No longer possible to restore snapshot to serverless?

Question

Hello,
during our QA process we routinely restore a snapshot from production system to a serverless Aurora MySQL cluster and from there reload the staging environment. Today I noticed that I can no longer restore a snapshot to a serverless instance but instead had to select provisioned.
Is this a know issue due to deprecation of old versions? Snapshot created from a RDS running 5.7.24 of MySQL.

Accepted Answer

I heard that the restoration can be done with AWS CLI, but do I get any errors when I run it with the command?  
https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/aurora-serverless.restorefromsnapshot.html  
```
aws rds restore-db-cluster-from-snapshot \
    --db-cluster-identifier mynewdbcluster \
    --snapshot-identifier mydbclustersnapshot \
    --engine-mode serverless \
    --engine aurora-mysql \
    --engine-version 5.7
```

The following document shows that 5.7.24 is already an unsupported version, so it is important to check if it is possible to restore server-less if the version is upgraded.  
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/MySQL.Concepts.VersionMgmt.html

No longer possible to restore snapshot to serverless?

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