- Log the diagnostic ID when uploading
- Improved Firewall handling: stop listing the rules since it can take a lot of time
- Don't rollback to the previous engine when the desired engine fails to start

### Beta 41 Release Notes (2017-02-07 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

**Bug fixes and minor improvements**

- Fix startup error of `ObjectNotFound` in Set-VMFirmware
- Add detailed logs when firewall is configured
- Add a link to the Experimental Features documentation
- Fixed the Copyright in About Dialog
- VPNKit: Avoid diagnostics to capture too much data
- VPNKit: fix a source of occasional packet loss (truncation) on the virtual ethernet link
- Fix negotiation of TimeSync protocol version (through kernel update)

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

**Upgrades**

- Linux kernel 4.9.5

**New**

- DNS forwarder ignores responses from malfunctioning servers
- DNS forwarder send all queries in parallel, process results in order
- DNS forwarder includes servers with zones in general searches
- Significantly increased single-stream TCP throughput

**Bug fixes and minor improvements**

- Fix some timeout issues in port forwarding
- Fix for swap not being mounted ([docker/for-win#403](https://github.com/docker/for-win/issues/403))
- 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 changes**

- You cannot 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 and 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
- VPNKit: improvements to DNS handling
- VPNKit: Improved diagnostics
- VPNKit: Forwarded UDP datagrams should have correct source port numbers
- VPNKit: add a local cache of DNS responses
- VPNKit: If one request fails, allow other concurrent requests to succeed.
  For example this allows IPv4 servers to work even if IPv6 is broken.
- VPNKit: Fixed bug which could cause the connection tracking to
  underestimate the number of active connections