adding d4mac, d4win beta 40 release notes

Signed-off-by: Victoria Bialas <victoria.bialas@docker.com>

docker-for-mac/release-notes.md

@@ -269,6 +269,27 @@ events or unexpected unmounts.
 
 ## Beta Release Notes
 
+### Beta 40 Release Notes (2017-01-31 1.13.1-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**

docker-for-windows/release-notes.md

@@ -258,6 +258,23 @@ We did not distribute a 1.12.4 stable release
 
 ## Beta Release Notes
 
+### Beta 40 Release Notes (2017-01-31 1.13.1-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 (via kernel update)
+
 ### Beta 39 Release Notes (2017-01-26 1.13.0-beta39)
 
 **Upgrades**