* `Aws\Acm` - Added support for tagging.

* `Aws\CognitoIdentity` - Minor update to support some new features of
  `Aws\CognitoIdentityProvider`.
* `Aws\Emr` - Added support for smart targeted resizing.
* `Aws\Iot` - Added support for specifying the SQL rules engine to be used.

* `Aws\CognitoIdentityProvider` - Added support for the **Amazon Cognito

  Identity Provider** service.
* `Aws\ElasticBeanstalk` - Added support for automatic platform version upgrades
  with managed updates.
* `Aws\Firehose` - Added support for delivery to AWS Elasticsearch Service.
* `Aws\Kinesis` - Added support for enhanced monitoring.
* `Aws\S3` - Added support for S3 Accelerate.
* `Aws\S3` - Fixed bug where stat cache was not being updated following writes.
* `Aws\Signature` - Fixed inefficiency in S3 presigner.

* `Aws\Ec2` - Fixed error codes in EC2 waiters.

* `Aws\Iot` - Added support for registering your own signing CA certificates and
  the X.509 certificates signed by your signing CA certificate.

* `Aws\Lambda` - Fixed bug in `UpdateFunctionCode`.

* `Aws\DirectoryService` - Added support for conditional forwarders.

* `Aws\ElasticBeanstalk` - Update client to latest version.
* `Aws\Lambda` - Added support for setting the function runtime as Node.js 4.3,
  as well as updating function configuration to set the runtime.

* `Aws\ApiGateway` - Added support for importing REST APIs.

* `Aws\Glacier` - Fixed tree hash bug caused when content was a single zero.
* `Aws\Route53` - Added support for metric-based and regional health checks.
* `Aws\Signature` - Fixed presigning bug where the signed headers query
  parameter value was not lowercased.
* `Aws\Sts` - Added support for getting the caller identity.

* `Aws\Common` - Fixed a race condition caused by credentials expirin…

…g and being

  refreshed after a request signature had been partially calculated.

* `Aws\CloudFormation` - Added support for change sets.

* `Aws\Inspector` - Updated model to latest preview version.
* `Aws\Redshift` - Added support for cluster IAM roles.
* `Aws\Waf` - Added support for XSS protection.

* `Aws\ElastiCache` - Added support for vertical scaling.

* `Aws\Rds` - Added support for joining SQL Server DB instances to Active
  Directory domains.
* `Aws\StorageGateway` - Added support for setting the local console password.

* `Aws\DeviceFarm` - Added support for managing and purchasing offeri…

…ngs.

* `Aws\Rds` - Added support for customizing failover order in Amazon Aurora
  clusters.