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[List of PRs / issues for this release](https://github.com/docker/docker-py/milestone/27?closed=1)
Features
* Added the following pruning methods:
* In `APIClient`: `prune_containers`, `prune_images`, `prune_networks`,
`prune_volumes`
* In `DockerClient`: `containers.prune`, `images.prune`, `networks.prune`,
`volumes.prune`
* Added support for the plugins API:
* In `APIClient`: `configure_plugin`, `create_plugin`, `disable_plugin`,
`enable_plugin`, `inspect_plugin`, `pull_plugin`, `plugins`,
`plugin_privileges`, `push_plugin`, `remove_plugin`
* In `DockerClient`: `plugins.create`, `plugins.get`, `plugins.install`,
`plugins.list`, and the `Plugin` model.
* Added support for the secrets API:
* In `APIClient`: `create_secret`, `inspect_secret`, `remove_secret`,
`secrets`
* In `DockerClient`: `secret.create`, `secret.get`, `secret.list` and
the `Secret` model.
* Added `secrets` parameter to `ContainerSpec`. Each item in the `secrets`
list must be a `docker.types.SecretReference` instance.
* Added support for `cache_from` in `APIClient.build` and
`DockerClient.images.build`.
* Added support for `auto_remove` and `storage_opt` in
`APIClient.create_host_config` and `DockerClient.containers.run`
* Added support for `stop_timeout` in `APIClient.create_container` and
`DockerClient.containers.run`
* Added support for the `force` parameter in `APIClient.remove_volume` and
`Volume.remove`
* Added support for `max_failure_ratio` and `monitor` in `UpdateConfig`
* Added support for `force_update` in `TaskTemplate`
* Made `name` parameter optional in `APIClient.create_volume` and
`DockerClient.volumes.create`
Bugfixes
* Fixed a bug where building from a directory containing socket-type files
would raise an unexpected `AttributeError`.
* Fixed an issue that was preventing the `DockerClient.swarm.init` method to
take into account arguments passed to it.
* `Image.tag` now correctly returns a boolean value upon completion.
* Fixed several issues related to passing `volumes` in
`DockerClient.containers.run`
* Fixed an issue where `DockerClient.image.build` wouldn't return an `Image`
object even when the build was successful