changelog.md

FEATURES

• Promote volume drivers from experimental to master
• Add rollover log driver, and --log-driver-opts flag
• Add memory swappiness tuning options
• Add support for DOCKER_CONFIG/--config to specify config file dir
• Add --type flag for docker inspect command
• Add new Fluentd logging driver
• Allow docker import to load from local files
• Add logging driver for GELF via UDP
• Add formatting options to docker ps with --format
• Allow to copy files from host to containers with docker cp
• Trusted pull, push and build flags (Notary)
• Replace docker -d with new subcommand docker daemon
• Make tar layers deterministic between registries

IMPROVEMENTS

• Add new apt and yum repos to the install script
• Separate plugin sockets and specs
• Don't allow deleting the image of running containers
• Check if a tag name to load is a valid digest
• Zsh completion updates and improvements
• Remove cgroup read-only flag when privileged
• Support daemon urls with base paths in docker -H
• Add some missing events to bash completion
• Allow one character repository names
• Make /proc, /sys, & /dev readonly for readonly containers
• Validate status= filter to docker ps
• Add cgroup bind mount by default
• Add support for building docker-engine RPM on Oracle Linux 7
• Overlay: Export metadata for container and image in docker inspect
• Devicemapper: external device activation
• Remove RC4 from the list of registry cipher suites
• Allow TLS connections to plugins
• Add syslog-facility option
• Display when a container is in --net=host in docker ps
• LXC execdriver compatibility with recent LXC versions
• Devicemapper: Compare uuid of base device on startup
• Add a more accurate error description for invalid tag name
• Extend docker inspect to export image metadata related to graph driver
• Make build cache ignore mtime
• Added openSUSE and SUSE Linux Enterprise support to install.sh
• Restore --default-gateway{,-v6} daemon options
• Add missing unpublished ports in docker ps
• Allow duration strings in docker events as --since/--until
• Expose more mounts information in docker inspect

BUG FIXES

• Add missing 'Names' field to /containers/json API output
• Make docker rmi --dangling safe when pulling
• Devicemapper: Change default basesize to 100G
• Go Scheduler issue with sync.Mutex and gcc
• Fix issue where Search API endpoint would panic due to empty AuthConfig
• Set image canonical names correctly
• Check dockerinit only if lxc driver is used
• Fix ulimit usage of nproc
• Always attach STDIN if -i,--interactive is specified
• Show error messages when saving container state fails
• Fixed incorrect assumption on --bridge=none treated as disable network
• Check for invalid port specifications in host configuration
• Fix endpoint leave failure for --net=host mode
• Fix goroutine leak in the stats API if the container is not running
• Check for apparmor file before reading it
• Fix DOCKER_TLS_VERIFY being ignored
• Set umask to the default on startup
• Correct the message of pause and unpause a non-running container
• Adjust disallowed CpuShares in container creation
• ZFS: correctly apply selinux context
• Display empty string instead of when IP opt is nil
• docker kill returns error when container is not running
• Fix COPY/ADD quoted/json form
• Fix goroutine leak on logs -f with no output
• Remove panic in nat package on invalid hostport

Regarding bugfixes.

These for me are improvements:

• Devicemapper: Change default basesize to 100G
• Always attach STDIN if -i,--interactive is specified

These for me are not relevant or user-facing enough to make it to the changelog:

• Go Scheduler issue with sync.Mutex and gcc
• Set image canonical names correctly
• Show error messages when saving container state fails
• Check for invalid port specifications in host configuration
• Fix goroutine leak in the stats API if the container is not running
• Correct the message of pause and unpause a non-running container
• Display empty string instead of when IP opt is nil
• Fix goroutine leak on logs -f with no output