distribution/CHANGELOG.md

# Changelog

## 2.6.0-rc2 (2016-12-20)

#### Spec
 - Authorization: add support for repository classes

#### Registry
 - Add policy configuration for enforcing repository classes


## 2.6.0-rc1 (2016-10-10)

#### Storage
 - S3: fixed bug in delete due to read-after-write inconsistency
 - S3: allow EC2 IAM roles to be used when authorizing region endpoints
 - S3: add Object ACL Support
 - S3: fix delete method's notion of subpaths
 - S3: use multipart upload API in `Move` method for performance
 - S3: add v2 signature signing for legacy S3 clones
 - Swift: add simple heuristic to detect incomplete DLOs during read ops
 - Swift: support different user and tenant domains
 - Swift: bulk deletes in chunks
 - Aliyun OSS: fix delete method's notion of subpaths
 - Aliyun OSS: optimize data copy after upload finishes
 - Azure: close leaking response body
 - Fix storage drivers dropping non-EOF errors when listing repositories
 - Compare path properly when listing repositories in catalog
 - Add a foreign layer URL host whitelist
 - Improve catalog enumerate runtime

#### Registry
  - Override media type returned from `Stat()` for existing manifests
  - Export `storage.CreateOptions` in top-level package
  - Enable notifications to endpoints that use self-signed certificates
  - Properly validate multi-URL foreign layers
  - Add control over validation of URLs in pushed manifests
  - Proxy mode: fix socket leak when pull is cancelled
  - Tag service: properly handle error responses on HEAD request
  - Support for custom authentication URL in proxying registry
  - Add configuration option to disable access logging
  - Add notification filtering by target media type
  - Manifest: `References()` returns all children
  - Honor `X-Forwarded-Port` and Forwarded headers
  - Reference: Preserve tag and digest in With* functions

#### Client
  - Changes the client Tags `All()` method to follow links
  - Allow registry clients to connect via HTTP2
  - Better handling of OAuth errors in client
  
#### Spec
  - Manifest: clarify relationship between urls and foreign layers

#### Manifest
  - Add plugin mediatype to distribution manifest

#### Docs

  - Document `TOOMANYREQUESTS` error code
  - Document required Let's Encrypt port
  - Improve documentation around implementation of OAuth2

#### Auth
  - Add support for registry type in scope
  - Add support for using v2 ping challenges for v1
  - Add leeway to JWT `nbf` and `exp` checking
  - htpasswd: dynamically parse htpasswd file
  - Fix missing auth headers with PATCH HTTP request when pushing to default port

#### Dockerfile
  - Update to go1.7
  - Reorder Dockerfile steps for better layer caching

#### Notes

Documentation has moved to the documentation repository at
`github.com/docker/docker.github.io/tree/master/registry`

The registry is go 1.7 compliant, and passes newer, more restrictive `lint` and `vet` ing.


## 2.5.0 (2016-06-14)

#### Storage
- Ensure uploads directory is cleaned after upload is committed
- Add ability to cap concurrent operations in filesystem driver
- S3: Add 'us-gov-west-1' to the valid region list
- Swift: Handle ceph not returning Last-Modified header for HEAD requests
- Add redirect middleware

#### Registry
- Add support for blobAccessController middleware
- Add support for layers from foreign sources
- Remove signature store
- Add support for Let's Encrypt
- Correct yaml key names in configuration

#### Client
- Add option to get content digest from manifest get

#### Spec
- Update the auth spec scope grammar to reflect the fact that hostnames are optionally supported
- Clarify API documentation around catalog fetch behavior

#### API
- Support returning HTTP 429 (Too Many Requests)

#### Documentation
- Update auth documentation examples to show "expires in" as int

#### Docker Image
- Use Alpine Linux as base image