* Allow setting the Domainname and Hostname separately through the API ([#20200](https://github.com/docker/docker/pull/20200))
* Docker info will now warn users if it can not detect the kernel version or the operating system ([#21128](https://github.com/docker/docker/pull/21128))
- Fix an issue where `docker stats --no-stream` output could be all 0s ([#20803](https://github.com/docker/docker/pull/20803))
- Fix a bug where some newly started container would not appear in a running `docker stats` command ([#20792](https://github.com/docker/docker/pull/20792))
* Post processing is no longer enabled for linux-cgo terminals ([#20587](https://github.com/docker/docker/pull/20587))
- Values to `--hostname` are now refused if they do not comply with [RFC1123](https://tools.ietf.org/html/rfc1123) ([#20566](https://github.com/docker/docker/pull/20566))
+ Docker learned how to use a SOCKS proxy ([#20366](https://github.com/docker/docker/pull/20366), [#18373](https://github.com/docker/docker/pull/18373))
+ Docker now supports external credential stores ([#20107](https://github.com/docker/docker/pull/20107))
* `docker ps` now supports displaying the list of volumes mounted inside a container ([#20017](https://github.com/docker/docker/pull/20017))
* `docker info` now also reports Docker's root directory location ([#19986](https://github.com/docker/docker/pull/19986))
- Docker now prohibits login in with an empty username (spaces are trimmed) ([#19806](https://github.com/docker/docker/pull/19806))
* Docker events attributes are now sorted by key ([#19761](https://github.com/docker/docker/pull/19761))
* `docker ps` no longer shows exported port for stopped containers ([#19483](https://github.com/docker/docker/pull/19483))
- Docker now cleans after itself if a save/export command fails ([#17849](https://github.com/docker/docker/pull/17849))
* Docker load learned how to display a progress bar ([#17329](https://github.com/docker/docker/pull/17329), [#120078](https://github.com/docker/docker/pull/20078))
### Distribution
- Fix a panic that occurred when pulling an image with 0 layers ([#21222](https://github.com/docker/docker/pull/21222))
- Fix a panic that could occur on error while pushing to a registry with a misconfigured token service ([#21212](https://github.com/docker/docker/pull/21212))
+ All first-level delegation roles are now signed when doing a trusted push ([#21046](https://github.com/docker/docker/pull/21046))
+ OAuth support for registries was added ([#20970](https://github.com/docker/docker/pull/20970))
* `docker login` now handles token using the implementation found in [docker/distribution](https://github.com/docker/distribution) ([#20832](https://github.com/docker/docker/pull/20832))
* `docker login` will no longer prompt for an email ([#20565](https://github.com/docker/docker/pull/20565))
* Docker will now fallback to registry V1 if no basic auth credentials are available ([#20241](https://github.com/docker/docker/pull/20241))
* Docker will now try to resume layer download where it left off after a network error/timeout ([#19840](https://github.com/docker/docker/pull/19840))
- Fix generated manifest mediaType when pushing cross-repository ([#19509](https://github.com/docker/docker/pull/19509))
- Fix docker requesting additional push credentials when pulling an image if Content Trust is enabled ([#20382](https://github.com/docker/docker/pull/20382))
### Logging
- Fix a race in the journald log driver ([#21311](https://github.com/docker/docker/pull/21311))
* Docker syslog driver now uses the RFC-5424 format when emitting logs ([#20121](https://github.com/docker/docker/pull/20121))
* Docker GELF log driver now allows to specify the compression algorithm and level via the `gelf-compression-type` and `gelf-compression-level` options ([#19831](https://github.com/docker/docker/pull/19831))
* Docker daemon learned to output uncolorized logs via the `--raw-logs` options ([#19794](https://github.com/docker/docker/pull/19794))
+ Docker, on Windows platform, now includes an ETW (Event Tracing in Windows) logging driver named `etwlogs` ([#19689](https://github.com/docker/docker/pull/19689))