Release notes
Deprecation of Previous Generation instance types
To further optimize user workloads, we have decided to deprecate some of the oldest Previous Generation AWS instances.
The following AWS instance types are no longer supported through the CGC:
m1.small
m1.medium
m1.large
m1.xlarge
m2.xlarge
m2.2xlarge
m2.4xlarge
c1.medium
c1.xlarge
cc2.8xlarge
cr1.8xlarge
Please see the full list of supported instance types and the official recommendation for Upgrade Paths from AWS.
If you have an app with one of these types set as instance type hint, it will automatically be migrated to use the most appropriate newer instance type.