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The Beta channel has been updated to 54.0.2840.43 (Platform version: 8743.44.0) for all Chrome OS devices. This build contains a number of bug fixes, security updates and feature enhancements. Systems will be receiving updates over the next few days.

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).

Josafat Garcia
Google Chrome


The Stable channel 53.0.2785.144 (Platform version: 8530.93.0) has been released for all Chrome OS devices. This build contains a number of bug fixes, security updates and a kernel key version update in the TPM. Systems will be receiving updates over the next several days.

Security Fixes:

This update includes these security fixes. Special note and congratulations to an anonymous security researcher for an excellent Pwnium entry: a chain of exploits that gains code execution in guest mode across reboots, delivered via web page. We anticipate landing additional changes and hardening measures for these vulnerabilities in the near future.

[$100,000][648971] Persistent code execution on Chrome OS. Credit to anonymous.
  • [649039] High CVE-2016-5179: Incorrect validation of writes to paths on stateful partition 
  • [649040] Critical CVE-2016-5180: Heap overflow in c-ares 
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.

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).


Ketaki Deshpande
Google Chrome

The Dev channel has been updated to 55.0.2869.0 (Platform version: 8838.0.0, 8838.1.0) for all Chrome OS devices. 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).

Bernie Thompson
Google Chrome

The stable channel has been updated to 53.0.2785.143 for Windows, Mac, and Linux. This will roll out over the coming days/weeks.
Security Fixes and Rewards
Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, Control Flow Integrity or LibFuzzer.

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 3 security fixes. Below, we highlight fixes that were contributed by external researchers. Please see the Chrome Security Page for more information


[$5000][642496] High CVE-2016-5177: Use after free in V8. Credit to Anonymous


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:
  • [651092] CVE-2016-5178: Various fixes from internal audits, fuzzing and other initiatives.


A 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

The beta channel has been updated to 54.0.2840.41 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.



Richard Bustamante
Google Chrome

The dev channel has been updated to 55.0.2873.0 for Windows, Linux and 55.0.2873.4 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.


Krishna Govind
Google Chrome

The dev channel has been updated to 55.0.2868.3 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.


Di Mu
Google Chrome

The Stable channel 53.0.2785.129 (Platform version: 8530.90.0) has been released for Acer Chromebook R11, Asus Chromebook Flip and Google Chromebook Pixel (2015). 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:
  • This build includes the Google Play Store (beta)
  • Kernel version update in the TPM
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 Help section of the Chrome menu (3 vertical dots in the upper right corner of the browser).

Ketaki Deshpande
Google Chrome

The beta channel has been updated to 54.0.2840.34 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.



Richard Bustamante
Google Chrome

Chrome for Android has been updated to version 53.0.2785.124; the update will be available in Google Play over the next few days.  This release fixes some functionality regressions discovered in the previous version; a partial list of changes in this build can be found here.  If you find a new issue, please let us know by filing a bug. More information about Chrome for Android is available on the Chrome site.

Alex Mineer
Google Chrome

The Dev channel has been updated to 55.0.2858.0 (Platform version: 8798.0.0) for all Chrome OS devices except Google Chromebook Pixel (2015), Asus Chromebook Flip C100PA, and Acer Chromebook R11. 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).

Bernie Thompson
Google Chrome

The Beta channel has been updated to 54.0.2840.24 (Platform version: 8743.25.0) for all Chrome OS devices except  Google Chromebook Pixel (2015), Acer Chromebook R11, ASUS Chromebook Flip C100PA. This build contains a number of bug fixes, security updates and feature enhancements. Systems will be receiving updates over the next few days.

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).

Josafat Garcia
Google Chrome

Beta updates are now back by popular demand!  Chrome Beta 54 (54.0.2840.25) for Android has been released and will be available in Google Play over the next few hours.  A partial list of the changes in this build is available in the Git log.  Details on new features will be available on the Chromium blog shortly; in the meantime, developers should check out our updates related to the web platform here.

If you find a new issue, please let us know by filing a bug. More information about Chrome for Android is available on the Chrome site.

Alex Mineer
Google Chrome

The beta channel has been updated to 54.0.2840.27 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.


Richard Bustamante
Google Chrome

The stable channel has been updated to 53.0.2785.116 for Windows, Mac, and Linux. This will roll out over the coming days/weeks.


A 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

The Dev channel has been updated to 54.0.2840.24 (Platform version: 8743.25.0) for all Chrome OS devices. 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).

Josafat Garcia
Google Chrome

The dev channel has been updated to 55.0.2859.0 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.


Di Mu
Google Chrome

The stable channel has been updated to 53.0.2785.113 for Windows, Mac, and Linux. This will roll out over the coming days/weeks (MSI points to M53).

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 these security fixes. Below, we highlight fixes that were contributed by external researchers, including those not already mentioned in recent release notes. Please see the Chrome Security Page for more information


[$5000][641101] High CVE-2016-5170: Use after free in Blink. Credit to Anonymous
[$7500][643357] High CVE-2016-5171: Use after free in Blink. Credit to Anonymous
[$5000][616386] Medium CVE-2016-5172: Arbitrary Memory Read in v8. Credit to Choongwoo Han
[$3000][468931] Medium CVE-2016-5173: Extension resource access. Credit to Anonymous
[$1000][579934] Medium CVE-2016-5174: Popup not correctly suppressed. Credit to Andrey Kovalev (@L1kvID) Yandex Security Team
[$n/a][595838] Medium CVE-2016-5176: SafeBrowsing bypass. Credit to Lokihardt working with Trend Micro's Zero Day Initiative


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:
  • [646394] CVE-2016-5175: Various fixes from internal audits, fuzzing and other initiatives.

Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, Control Flow Integrity or LibFuzzer.


A 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

The Stable channel has been updated to 53.0.2785.103 (Platform version: 8530.81.0) for all Chrome OS devices except Google Chromebook Pixel (2015), Acer Chromebook R11, ASUS Chromebook Flip C100PA, HP Chromebox CB1, and Acer C7 Chromebook. 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:
  • Material design overview mode
  • SAML SSO for Chrome Apps
  • Highlights - Accessibility feature
  • New app API to enable watchdog behavior in kiosk apps

Security Fixes:
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
  • [635879] Medium CVE-2016-5169 Format String Vulnerability in Chrome OS

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).


Ketaki Deshpande
Google Chrome

The Beta channel 53.0.2785.103 (Platform version: 8530.81.0) has been released for Chrome OS devices. 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 Help section of the Chrome menu (3 vertical dots in the upper right corner of the browser).

Ketaki Deshpande
Google Chrome

The dev channel has been updated to 55.0.2853.0 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.

Di Mu
Google Chrome

The Chrome team is excited to announce the promotion of Chrome 54 to the beta channel for Windows, Mac and Linux. Chrome 54.0.2840.16 contains our usual under-the-hood performance and stability tweaks, but there are also some cool new features to explore - please head to the Chromium blog to learn more!


A list of changes in this build is available in the log.  Interested in switching release channels?  Find out how here. 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.



Richard Bustamante
Google Chrome

The Beta channel has been updated to 53.0.2785.100 (Platform version: 8530.80.0) except Samsung Chromebook, Lenovo Thinkpad X131e Chromebook, Samsung Chromebook 2 11", Cr-48, Lenovo N20 Chromebook, Acer C7 Chromebook and Acer C720 Chromebook. 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 Help section of the Chrome menu (3 vertical dots in the upper right corner of the browser).

Ketaki Deshpande
Google Chrome

Good news, everyone!  Chrome 53 (53.0.2785.97) for Android has been released and will be available in Google Play over the next few days.  This release primarily contains performance and stability fixes; a partial list of the changes in this build is available in the Git log. Details on new features (including Android Pay support) can be found on the Chrome Blog.

If you find a new issue, please let us know by filing a bug. More information about Chrome for Android is available on the Chrome site.

Alex Mineer
Google Chrome

The stable channel has been updated to 53.0.2785.101 for Windows, Mac, and Linux. This will roll out over the coming days/weeks (MSI points to M53)


A 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

The Dev channel has been updated to 54.0.2840.13 (Platform version: 8743.11.0) for all Chrome OS devices. 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).

Josafat Garcia
Google Chrome

The dev channel has been updated to 54.0.2840.14 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.


Richard Bustamante
Google Chrome