The Beta channel has been updated to 51.0.2704.64 (Platform version: 8172.45.0) for all Chrome OS devices except those listed below. This build contains a number of bug fixes, security updates and feature enhancements.

If you find new issues, please let us know by visiting our forum or filing a bug. Interested in switching channels? Find out how. You can submit feedback using ‘Report an issue...’ in the Chrome menu (3 horizontal bars in the upper right corner of the browser).

Bernie Thompson 
Google Chrome

Systems missing in this release:
  • Google Chromebook Pixel
  • Some Acer C7 Chromebooks
  • Lenovo Thinkpad X131e Chromebook
  • Lenovo ThinkPad 11e Chromebook
  • AOpen Chromebox Commercial
  • Acer Chromebook R11
  • Acer Chromebook 14
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The dev channel has been updated to 52.0.2743.19 for Windows, Mac, and Linux.
A partial list of changes is available in the log. Interested in switching release channels? Find out how. If you find a new issue, please let us know by filing a bug. The community help forum is also a great place to reach out for help or learn about common issues.
Anantha Keesara

Google Chrome

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The Dev channel has been updated to 52.0.2743.0 (Platform version: 8350.1.0, 8350.2.0, 8350.3.0) for all Chrome OS devices except for x86-mario, x86-zgb and expresso . This build contains a number of bug fixes, security updates and feature enhancements. A list of changes can be found here.
If you find new issues, please let us know by visiting our forum or filing a bug. Interested in switching channels? Find out how. You can submit feedback using ‘Report an issue...’ in the Chrome menu (3 vertical dots in the upper right corner of the browser).
Grace Kihumba
Google Chrome

The dev channel has been updated to 52.0.2743.10 for Windows, Mac, and Linux.
A partial list of changes is available in the log. Interested in switching release channels? Find out how. If you find a new issue, please let us know by filing a bug. The community help forum is also a great place to reach out for help or learn about common issues.
Anantha Keesara
Google Chrome
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Google Chrome


The Chrome team is delighted to announce the promotion of Chrome 51 to the stable channel for Windows, Mac and Linux.
Chrome 51.0.2704.63 contains a number of fixes and improvements -- a list of changes is available in the log.  Watch out for upcoming Chrome and Chromium blog posts about new features and big efforts delivered in 51.
Security Fixes and Rewards
Note: Access to bug details and links may be kept restricted until a majority of users are updated with a fix. We will also retain restrictions if the bug exists in a third party library that other projects similarly depend on, but haven’t yet fixed.
This update includes 42 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chromium security page for more information.


[$7500][590118] High CVE-2016-1672: Cross-origin bypass in extension bindings. Credit to Mariusz Mlynski.
[$7500][597532] High CVE-2016-1673: Cross-origin bypass in Blink. Credit to Mariusz Mlynski.
[$7500][598165] High CVE-2016-1674: Cross-origin bypass in extensions. Credit to Mariusz Mlynski.
[$7500][600182] High CVE-2016-1675: Cross-origin bypass in Blink. Credit to Mariusz Mlynski.
[$7500][604901] High CVE-2016-1676: Cross-origin bypass in extension bindings. Credit to Rob Wu.
[$4000][602970] Medium CVE-2016-1677: Type confusion in V8. Credit to Guang Gong of Qihoo 360.
[$3500][595259] High CVE-2016-1678: Heap overflow in V8. Credit to Christian Holler.
[$3500][606390] High CVE-2016-1679: Heap use-after-free in V8 bindings. Credit to Rob Wu.
[$3000][589848] High CVE-2016-1680: Heap use-after-free in Skia. Credit to Atte Kettunen of OUSPG.
[$3000][613160] High CVE-2016-1681: Heap overflow in PDFium. Credit to Aleksandar Nikolic of Cisco Talos.
[$1000][579801] Medium CVE-2016-1682: CSP bypass for ServiceWorker. Credit to KingstonTime.
[$1000][583156] Medium CVE-2016-1683: Out-of-bounds access in libxslt. Credit to Nicolas Gregoire.
[$1000][583171] Medium CVE-2016-1684: Integer overflow in libxslt. Credit to Nicolas Gregoire.
[$1000][601362] Medium CVE-2016-1685: Out-of-bounds read in PDFium. Credit to Ke Liu of Tencent's Xuanwu LAB.
[$1000][603518] Medium CVE-2016-1686: Out-of-bounds read in PDFium. Credit to Ke Liu of Tencent's Xuanwu LAB.
[$1000][603748] Medium CVE-2016-1687: Information leak in extensions. Credit to Rob Wu. [$1000][604897] Medium CVE-2016-1688: Out-of-bounds read in V8. Credit to Max Korenko.
[$1000][606185] Medium CVE-2016-1689: Heap buffer overflow in media. Credit to Atte Kettunen of OUSPG.
[$1000][608100] Medium CVE-2016-1690: Heap use-after-free in Autofill. Credit to Rob Wu.
[$N/A][602046] Medium CVE-2016-10403: Out-of-bounds read in PDFium. Credit to kdot working with Trend Micro's Zero Day Initiative.
[$500][597926] Low CVE-2016-1691: Heap buffer-overflow in Skia. Credit to Atte Kettunen of OUSPG.
[$500][598077] Low CVE-2016-1692: Limited cross-origin bypass in ServiceWorker. Credit to Til Jasper Ullrich.
[$500][598752] Low CVE-2016-1693: HTTP Download of Software Removal Tool. Credit to Khalil Zhani.
[$500][603682] Low CVE-2016-1694: HPKP pins removed on cache clearance. Credit to Ryan Lester and Bryant Zadegan.
We would also like to thank all security researchers that worked with us during the development cycle to prevent security bugs from ever reaching the stable channel.


As usual, our ongoing internal security work was responsible for a wide range of fixes:
  • [614767] CVE-2016-1695: Various fixes from internal audits, fuzzing and other initiatives.

Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, Control Flow Integrity or LibFuzzer.
Interested in switching release channels? Find out how.  If you find a new issue, please let us know by filing a bug.  The community help forum is also a great place to reach out for help or learn about common issues.
Krishna Govind
Google Chrome
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Google Chrome
The beta channel has been updated to 51.0.2704.63 for Windows, Mac, and Linux.
A partial list of changes is available in the log. Interested in switching release channels? Find out how. If you find a new issue, please let us know by filing a bug. The community help forum is also a great place to reach out for help or learn about common issues.
Krishna Govind
Google Chrome
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Google Chrome
The dev channel has been updated to 52.0.2743.6 for Windows, Linux and Mac.



A partial list of changes is available in the log. Interested in switching release channels? Find out how. If you find a new issue, please let us know by filing a bug. The community help forum is also a great place to reach out for help or learn about common issues.
Di Mu
Google Chrome
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The Beta channel has been updated to 51.0.2704.55 (Platform version: 8172.39.0) for all Chrome OS devices except the Acer Chromebook R11 and the AOpen Chromebox Commercial. This build contains a number of bug fixes, security updates, and feature enhancements.


If you find new issues, please let us know by visiting our forum or filing a bug. Interested in switching channels? Find out how. You can submit feedback using ‘Report an issue...’ in the Chrome menu (3 vertical dots in the upper right corner of the browser) or by pressing Alt+Shift+I.

Bernie Thompson
Google Chrome
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Google Chrome
The beta channel has been updated to 51.0.2704.54 for Windows, Mac, and Linux.
A partial list of changes is available in the log. Interested in switching release channels? Find out how. If you find a new issue, please let us know by filing a bug. The community help forum is also a great place to reach out for help or learn about common issues.
Krishna Govind
Google Chrome
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Google Chrome
The dev channel has been updated to 52.0.2739.0 for Windows, Linux and 52.0.2739.2 for Mac.



A partial list of changes is available in the log. Interested in switching release channels? Find out how. If you find a new issue, please let us know by filing a bug. The community help forum is also a great place to reach out for help or learn about common issues.
Di Mu
Google Chrome
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  • Bluetooth names clearer and consistent
  • Chrome browser updated to use material design

The Stable channel has been updated to 50.0.2661.103, 50.0.2661.104 (Platform version: 7879.74.0, 7978.76.0) for all Chrome OS devices except Pinky 11.6" Chromebooks and Asus Chromebit. This build contains a number of bug fixes, security updates, and feature enhancements. Systems will be receiving updates over the next several days.

Some highlights of these changes are:
  • Bluetooth names clearer and consistent
  • Chrome browser updated to use material design
If you find new issues, please let us know by visiting our forum or filing a bug. Interested in switching channels? Find out how. You can submit feedback using ‘Report an issue...’ in the Chrome menu (3 vertical dots in the upper right corner of the browser) or by pressing Alt+Shift+I.
Ketaki Deshpande
Google Chrome
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Google Chrome
The dev channel has been updated to 52.0.2729.3 for Windows, Mac, and Linux.
A partial list of changes is available in the log. Interested in switching release channels? Find out how. If you find a new issue, please let us know by filing a bug. The community help forum is also a great place to reach out for help or learn about common issues.
Krishna Govind
Google Chrome
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