* config: The interpolation function `cidrhost` now accepts a negative host number to count backwards from the end of the range [GH-13765]
* config: New interpolation function `matchkeys` for using values from one list to filter corresponding values from another list using a matching set. [GH-13847]
* state/remote/swift: Support Openstack request logging [GH-13583]
* provider/aws: Add an option to skip getting the supported EC2 platforms [GH-13672]
* provider/aws: Add `name_prefix` support to `aws_cloudwatch_log_group` [GH-13273]