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61th chunk of `content/manuals/engine/release-notes/prior-releases.md`
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* Kernel version - don't show the dash if flavor is empty

### Registry

+ Add docker search top level command in order to search a repository
- Fix pull for official images with specific tag
- Fix issue when login in with a different user and trying to push
* Improve checksum - async calculation

### Images

+ Output graph of images to dot (graphviz)
- Fix ByParent function

### Documentation

+ New introduction and high-level overview
+ Add the documentation for docker builder
- CSS fix for docker documentation to make REST API docs look better.
- Fix CouchDB example page header mistake
- Fix README formatting
* Update www.docker.io website.

### Other

+ Website: new high-level overview
- Makefile: Swap "go get" for "go get -d", especially to compile on go1.1rc
* Packaging: packaging ubuntu; issue #510: Use golang-stable PPA package to build docker

## 0.3.0 (2013-05-06)

### Runtime

- Fix the command existence check
- strings.Split may return an empty string on no match
- Fix an index out of range crash if cgroup memory is not

### Documentation

* Various improvements
+ New example: sharing data between 2 couchdb databases

### Other

* Vagrant: Use only one deb line in /etc/apt
+ Registry: Implement the new registry

## 0.2.2 (2013-05-03)

+ Support for data volumes ('docker run -v=PATH')
+ Share data volumes between containers ('docker run -volumes-from')
+ Improve documentation
* Upgrade to Go 1.0.3
* Various upgrades to the dev environment for contributors

## 0.2.1 (2013-05-01)

+ 'docker commit -run' bundles a layer with default runtime options: command, ports etc.
* Improve install process on Vagrant
+ New Dockerfile operation: "maintainer"
+ New Dockerfile operation: "expose"
+ New Dockerfile operation: "cmd"
+ Contrib script to build a Debian base layer
+ 'docker -d -r': restart crashed containers at daemon startup
* Runtime: improve test coverage

## 0.2.0 (2013-04-23)

- Runtime: ghost containers can be killed and waited for
* Documentation: update install instructions
- Packaging: fix Vagrantfile
- Development: automate releasing binaries and ubuntu packages
+ Add a changelog
- Various bugfixes

## 0.1.8 (2013-04-22)

- Dynamically detect cgroup capabilities
- Issue stability warning on kernels <3.8
- 'docker push' buffers on disk instead of memory

Title: Docker Release Notes: Registry, Images, Documentation, and Runtime Updates (0.3.1 - 0.1.8)
Summary
This section outlines Docker release notes from versions 0.3.1 to 0.1.8. Version 0.3.1 features Docker Builder improvements, runtime enhancements, registry updates including search functionality, image graphing, and documentation improvements. Version 0.3.0 addresses runtime fixes. Version 0.2.2 introduces data volume support and shares volumes between containers. Version 0.2.1 includes 'docker commit -run', Dockerfile operations, a Debian base layer script, and restart options. Version 0.2.0 fixes runtime and packaging issues. Version 0.1.8 includes dynamic cgroup capability detection and disk buffering for 'docker push'.