*`AsyncProvideCredentials` now introduces an additional lifetime parameter, simplifying bridging it with `#[async_trait]` interfaces
* Fix S3 bug when content type was set explicitly (aws-sdk-rust#131, #566, @eagletmt)
**Contributions**
Thank you for your contributions! ❤️
* @eagletmt (#566)
## v0.16 (July 6th 2021)
**New this Week**
- ⚠️ **Breaking Change:**`ProvideCredentials` and `CredentialError` were both moved into `aws_auth::provider` when they were previously in `aws_auth` (#572)
- 🎉 Add support for AWS Config (#570)
- 🎉 Add support for EBS (#567)
- 🎉 Add support for Cognito (#573)
- 🎉 Add support for Snowball (#579, @landonxjames)
- Make it possible to asynchronously provide credentials with `async_provide_credentials_fn` (#572, #577)