terraform-aws-modules/terraform-aws-vpc v4.0.0

on GitHub

4.0.0 (2023-04-07)

⚠ BREAKING CHANGES

List of backwards incompatible changes

• The minimum required Terraform version is now 1.0
• The minimum required AWS provider version is now 4.x (4.35.0 at time of writing)
• assign_ipv6_address_on_creation has been removed; use the respective subnet type equivalent instead (i.e. - public_subnet_assign_ipv6_address_on_creation)
• enable_classiclink has been removed; it is no longer supported by AWS hashicorp/terraform#31730
• enable_classiclink_dns_support has been removed; it is no longer supported by AWS hashicorp/terraform#31730

Additional changes

Modified

• map_public_ip_on_launch now defaults to false
• enable_dns_hostnames now defaults to true
• enable_dns_support now defaults to true
• manage_default_security_group now defaults to true
• manage_default_route_table now defaults to true
• manage_default_network_acl now defaults to true
• The default name for the default security group, route table, and network ACL has changed to fallback to append -default to the VPC name if a specific name is not provided
• The default fallback value for outputs has changed from an empty string to null

See the UPGRADE-4.0.md for further details