- Fix data not being copied to named volumes [#19175](https://github.com/docker/docker/pull/19175)
- Fix issues preventing volume drivers from being containerized [#19500](https://github.com/docker/docker/pull/19500)
- Fix `docker volumes ls --dangling=false` to now show all non-dangling volumes [#19671](https://github.com/docker/docker/pull/19671)
- Do not remove named volumes on container removal [#19568](https://github.com/docker/docker/pull/19568)
- Allow external volume drivers to host anonymous volumes [#19190](https://github.com/docker/docker/pull/19190)
### Builder
+ Add support for `**` in `.dockerignore` to wildcard multiple levels of directories [#17090](https://github.com/docker/docker/pull/17090)
- Fix handling of UTF-8 characters in Dockerfiles [#17055](https://github.com/docker/docker/pull/17055)
- Fix permissions problem when reading from STDIN [#19283](https://github.com/docker/docker/pull/19283)
### Client
+ Add support for overriding the API version to use via an `DOCKER_API_VERSION` environment-variable [#15964](https://github.com/docker/docker/pull/15964)
- Fix a bug preventing Windows clients to log in to Docker Hub [#19891](https://github.com/docker/docker/pull/19891)
### Misc
* systemd: Set TasksMax in addition to LimitNPROC in systemd service file [#19391](https://github.com/docker/docker/pull/19391)
### Deprecations
* Remove LXC support. The LXC driver was deprecated in Docker 1.8, and has now been removed [#17700](https://github.com/docker/docker/pull/17700)
* Remove `--exec-driver` daemon flag, because it is no longer in use [#17700](https://github.com/docker/docker/pull/17700)
* Remove old deprecated single-dashed long CLI flags (such as `-rm`; use `--rm` instead) [#17724](https://github.com/docker/docker/pull/17724)
* Deprecate HostConfig at API container start [#17799](https://github.com/docker/docker/pull/17799)
* Deprecate docker packages for newly EOL'd Linux distributions: Fedora 21 and Ubuntu 15.04 (Vivid) [#18794](https://github.com/docker/docker/pull/18794), [#18809](https://github.com/docker/docker/pull/18809)
* Deprecate `-f` flag for docker tag [#18350](https://github.com/docker/docker/pull/18350)
## 1.9.1 (2015-11-21)
### Runtime
- Do not prevent daemon from booting if images could not be restored (#17695)
- Force IPC mount to unmount on daemon shutdown/init (#17539)
- Turn IPC unmount errors into warnings (#17554)
- Fix `docker stats` performance regression (#17638)
- Clarify cryptic error message upon `docker logs` if `--log-driver=none` (#17767)
- Fix seldom panics (#17639, #17634, #17703)
- Fix opq whiteouts problems for files with dot prefix (#17819)
- devicemapper: try defaulting to xfs instead of ext4 for performance reasons (#17903, #17918)
- devicemapper: fix displayed fs in docker info (#17974)
- selinux: only relabel if user requested so with the `z` option (#17450, #17834)
- Do not make network calls when normalizing names (#18014)
### Client
- Fix `docker login` on windows (#17738)
- Fix bug with `docker inspect` output when not connected to daemon (#17715)
- Fix `docker inspect -f {{.HostConfig.Dns}} somecontainer` (#17680)
### Builder
- Fix regression with symlink behavior in ADD/COPY (#17710)
### Networking
- Allow passing a network ID as an argument for `--net` (#17558)
- Fix connect to host and prevent disconnect from host for `host` network (#17476)
- Fix `--fixed-cidr` issue when gateway ip falls in ip-range and ip-range is
not the first block in the network (#17853)
- Restore deterministic `IPv6` generation from `MAC` address on default `bridge` network (#17890)
- Allow port-mapping only for endpoints created on docker run (#17858)
- Fixed an endpoint delete issue with a possible stale sbox (#18102)
### Distribution
- Correct parent chain in v2 push when v1Compatibility files on the disk are inconsistent (#18047)
## 1.9.0 (2015-11-03)
### Runtime
+ `docker stats` now returns block IO metrics (#15005)
+ `docker stats` now details network stats per interface (#15786)