You can now set a Rack to
Internal mode which will cause all new apps created on that Rack to be created with VPC-only internal load balancers. This mode is great for users building intranet applications where all access will come through VPC peering or VPN gateways.
$ convox rack params set Internal=Yes
Balancer Parameter Removal
The CloudFormation parameters for load balancer configuration are being removed to relieve pressure for large apps running into the 60-parameter limit of CloudFormation. You should specify all load balancer configuration as
WARNING: If your app has set these parameters manually without also setting the appropriate labels you will receive an error the next time you deploy asking you to add the labels.