**Upgrades**

- [Docker 1.13.1](https://github.com/docker/docker/releases/tag/v1.13.1)
- [Docker Compose 1.11.1](https://github.com/docker/compose/releases/tag/1.11.1)

### Beta 41 Release Notes (2017-02-07-2017-1.13.1-rc2-beta41)

**Upgrades**

- Docker 1.13.1-rc2
- [Docker Compose 1.11.0-rc1](https://github.com/docker/compose/releases/tag/1.11.0-rc1)
- Linux kernel 4.9.8

**Bug fixes and minor improvements**

- VPNKit: set the Recursion Available bit on DNS responses from the cache
- Don’t use port 4222 inside the Linux VM

### Beta 40 Release Notes (2017-01-31 1.13.1-rc1-beta40)

**Upgrades**

- [Docker 1.13.1-rc1](https://github.com/docker/docker/releases/tag/v1.13.1-rc1)
- Linux kernel 4.9.6

**New**

- Allow to reset faulty `daemon.json` through a link in advanced subpanel
- Add link to experimental features
- Hide restart button in settings window
- Increase the maximum number of vCPUs to 64

**Bug fixes and minor improvements**

- VPNKit: Avoid diagnostics to capture too much data
- VPNKit: Fix a source of occasional packet loss (truncation) on the virtual ethernet link
- HyperKit: Dump guest physical and linear address from VMCS when dumping state
- HyperKit: Kernel boots with `panic=1` arg

### Beta 39 Release Notes (2017-01-26 1.13.0-beta39)

**Upgrades**

- Linux kernel 4.9.5

**New**

- More options when moving disk image
- Filesharing and daemon table empty fields are editable
- DNS forwarder ignores responses from malfunctioning servers ([docker/for-mac#1025](https://github.com/docker/for-mac/issues/1025))
- DNS forwarder send all queries in parallel, process results in order
- DNS forwarder includes servers with zones in general searches ([docker/for-mac#997](https://github.com/docker/for-mac/issues/997))
- Parses aliases from /etc/hosts ([docker/for-mac#983](https://github.com/docker/for-mac/issues/983))
- Can resolve DNS requests through servers listed in the /etc/resolver directory on the host

**Bug fixes and minor improvements**

- Fix bug where update window hides when app not focused
- Limit vCPUs to 16 ([docker/for-mac#1144](https://github.com/docker/for-mac/issues/1144))
- Fix for swap not being mounted
- Fix AUFS xattr delete issue ([docker/docker#30245](https://github.com/docker/docker/issues/30245))


### Beta 38 Release Notes (2017-01-20 1.13.0-beta38)

**Upgrades**

- [Docker 1.13.0](https://github.com/docker/docker/releases/tag/v1.13.0)
- [Docker Compose 1.10](https://github.com/docker/compose/releases/tag/1.10.0)
- [Docker Machine 0.9.0](https://github.com/docker/machine/releases/tag/v0.9.0)
- [Notary 0.4.3](https://github.com/docker/notary/releases/tag/v0.4.3)
- Linux kernel 4.9.4
- QCOW-tool 0.7.2

**New**

- The storage location of the Linux volume can now be moved
- Reclaim disk size on reboot
- You can now edit filesharing paths
- Memory can be allocated with 256 MiB steps
- Proxy can now be completely disabled
- Support for arm, aarch64, ppc64le architectures using qemu
- Dedicated preference pane for advanced configuration of the docker daemon (edit daemon.json)
- Docker Experimental mode can be toggled
- Better support for Split DNS VPN configurations
- Use more DNS servers, respect order

**Bug fixes and minor improvements**

- You can't edit settings while docker is restarting
- Support Copy/Paste in About box
- Auto update polling every 24h
- Kernel boots with vsyscall=emulate arg and CONFIG_LEGACY_VSYSCALL is set to NONE in Moby
- Fixed vsock deadlock under heavy write load
- If you opt-out of analytics, you're prompted for approval before a bug report is sent
- Fixed bug where search domain could be read as `DomainName`
- Dedicated preference pane for HTTP proxy settings.
- Dedicated preference pane for CPU & Memory computing resources.
- Privacy settings moved to the general preference pane
- Fixed an issue where the preference pane disappeared when the welcome whale menu was closed.
- HyperKit: code cleanup and minor fixes
- Improvements to Logging and Diagnostics
- osxfs: switch to libev/kqueue to improve latency