The Dev channel has been updated to 41.0.2252.2(Platform version: 6592.0.0/6592.1.0/6592.2.0) for all Chrome OS. This build contains a number of bug fixes, security updates and feature enhancements. A list of changes can be found here.

Google Chrome

The Beta channel has been updated to 40.0.2214.43 (Platform version: 6457.36.0). This build contains a number of bug fixes, security updates, and feature enhancements. Here is a list of Chromium changes.
Some highlights of these changes are:

• Auto Update for Enterprise-enrolled devices will employ a peer-to-peer (P2P) that reduces Internet bandwidth and allows faster update from nearby devices.

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).

Daniel Xie
Google Chrome

• PPAPI Flash updated to 16.0.0.235-r1

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).

Ben Henry
Google Chrome

Google Chrome

The Dev channel has been updated to 41.0.2243.0 (Platform version: 6557.0.0) for all Chrome OS. 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 horizontal bars in the upper right corner of the browser).

Dharani Govindan
Google Chrome

Known issues are available here. Enterprise customers can report an issue by contacting support.

Lawrence Lui

Google Chrome

The Dev channel has been updated to 41.0.2238.0 (Platform version: 6537.0.0) for all Chrome OS. 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 horizontal bars in the upper right corner of the browser).

Dharani Govindan
Google Chrome

The Beta channel has been updated to 40.0.2214.25 (Platform version: 6457.21.0). This build contains a number of bug fixes, security updates, and feature enhancements. Systems will receive updates over the next several days. Here is a list of Chromium changes.

Some highlights of these changes are:

• The default wallpaper has been updated to Material Design. 
• Custom wallpapers are now synced across your devices. 
• Emoji palette allows users to quickly access emoji.

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).

Daniel Xie
Google Chrome

• Fix for an issue where the screen flickers on boot and then goes blank (432525)

If you are affected by this problem, please keep your device connected to the network and lid open for an hour to make sure the update is applied. Then restart the device and confirm you are able to see the sign-in screen again.

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).

Ben Henry
Google Chrome

Google Chrome

The Dev channel has been updated to 40.0.2214.10 (Platform version: 6457.8.0) for all Chrome OS devices except HP Chromebook and HP Chromebook 11. 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 horizontal bars in the upper right corner of the browser).

Daniel Xie
Google Chrome

• Profile Lock, which introduces the ability to "child lock" signed-in profiles.
• New Tabs Page Suggestions, which tries to determine which sites you'd like to visit depending on the the time and day.
• New crash recovery UI.

Known issues are available here. Enterprise customers can report an issue by contacting support.

Lawrence Lui

Google Chrome

The Dev channel has been updated to 40.0.2209.2 (Platform version: 6436.1.0) for all Chrome OS devices except HP Chromebook and HP Chromebook 11. 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 horizontal bars in the upper right corner of the browser).

Daniel Xie
Google Chrome

The Beta channel has been updated to 39.0.2171.45(Platform version: 6310.28.0) for all Chrome OS devices except Asus Chromebox, Dell Chromebox and Samsung Chromebox. This build contains a number of bug fixes, security updates and feature enhancements. Here  is a list of Chromium changes.

Josafat Garcia
Google Chrome

The Stable channel has been updated to 38.0.2125.119 (Platform version: 6158.76.0) for all Chromeboxes. This build contains number of bug fixes and security updates. Systems will be receiving updates over the next several days. Here is a list of Chromium changes.

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).

Dharani Govindan
Google Chrome

The Beta channel has been updated to 39.0.2171.38 (Platform version: 6310.23.0) for all Chrome OS devices except Asus Chromebox, Dell Chromebox and Samsung Chromebox. This build contains a number of bug fixes, security updates and feature enhancements. Here is a list of Chromium changes.

Josafat Garcia
Google Chrome

The Stable channel has been updated to 38.0.2125.110 (Platform version: 6158.70.0) for all Chrome OS devices except Asus, Dell, and Samsung Chromeboxes. This build contains number of bug fixes and security updates. Systems will be receiving updates over the next several days. Here is a list of Chromium changes.

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).

Dharani Govindan
Google Chrome

The Beta channel has been updated to 39.0.2171.25 (Platform version: 6310.14.0) for all Chrome OS devices except Lenovo Chromebook N20 and 11e, Acer Chromebook 11,  Asus Chromebook C200 and  C300, Toshiba Chromebook 2 and Google Pixel. This build contains a number of bug fixes, security updates and feature enhancements. Systems will be receiving updates over the next several days. Here is a list of Chromium changes.

Some highlights of these changes are:

Ben Henry
Google Chrome

The Dev channel has been updated to 40.0.2188.1 (Platform version: 6366.0.0) 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 horizontal bars in the upper right corner of the browser).

Daniel Xie
Google Chrome

The Stable channel has been updated to 38.0.2125.108 (Platform version: 6158.64.0) for all Chrome OS devices except Asus and Samsung Chromeboxes. This build contains an update to Adobe flash along with number of bug fixes and security updates. Systems will be receiving updates over the next several days. Here is a list of Chromium changes.

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).

Dharani Govindan
Google Chrome

A full 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.

Alex Mineer

Google Chrome

This release contains many stability and developer improvements including: 

• 64-bit support for Mac
• A number of new apps/extension APIs 
• Lots of under the hood changes for stability and performance 

A full 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.

Alex Mineer

Google Chrome

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 159 security fixes, including 113 relatively minor fixes found using MemorySanitizer. Below, we highlight fixes that were either contributed by external researchers or particularly interesting. Please see the Chromium security page for more information.

[$27633.70][416449] Critical CVE-2014-3188: A special thanks to Jüri Aedla for a combination of V8 and IPC bugs that can lead to remote code execution outside of the sandbox.
[$3000][398384] High CVE-2014-3189: Out-of-bounds read in PDFium. Credit to cloudfuzzer.
[$3000][400476] High CVE-2014-3190: Use-after-free in Events. Credit to cloudfuzzer, Chen Zhang (demi6od) of NSFOCUS Security Team.
[$3000][402407] High CVE-2014-3191: Use-after-free in Rendering. Credit to cloudfuzzer.
[$2000][403276] High CVE-2014-3192: Use-after-free in DOM. Credit to cloudfuzzer.
[$1500][399655] High CVE-2014-3193: Type confusion in Session Management. Credit to miaubiz.
[$1500][401115] High CVE-2014-3194: Use-after-free in Web Workers. Credit to Collin Payne.
[$4500][403409] Medium CVE-2014-3195: Information Leak in V8. Credit to Jüri Aedla.
[$3000][338538] Medium CVE-2014-3196: Permissions bypass in Windows Sandbox. Credit to James Forshaw.
[$1500][396544] Medium CVE-2014-3197: Information Leak in XSS Auditor. Credit to Takeshi Terada.
[$1500][415307] Medium CVE-2014-3198: Out-of-bounds read in PDFium. Credit to Atte Kettunen of OUSPG.
[$500][395411] Low CVE-2014-3199: Release Assert in V8 bindings. Credit to Collin Payne.

We would also like to thank Atte Kettunen of OUSPG and Collin Payne for working with us during the development cycle to prevent security bugs from ever reaching the stable channel. $23,000 in additional rewards were issued.

As usual, our ongoing internal security work responsible for a wide range of fixes:
[420899] CVE-2014-3200: Various fixes from internal audits, fuzzing and other initiatives (Chrome 38).
Multiple vulnerabilities in V8 fixed at the tip of the 3.28 branch (currently 3.28.71.15).

Interested in switching release channels? Find out how. If you find a new issue, please let us know by filing a bug.


Matthew Yuan
Google Chrome

The Dev channel has been updated to 39.0.2171.11 (Platform version: 6310.7.0) for all Chrome OS devices except Lenovo N20 and ThinkPad 11e Chromebooks, the Acer Chromebook 11, Asus Chromebooks C300 and C200, the HP Chromebook 14 WP2, the Toshiba Chromebook 2 and the Samsung Chromebook 2 11 - XE500C12 . 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 horizontal bars in the upper right corner of the browser).

Ben Henry
Google Chrome

The Stable channel has been updated to 38.0.2125.101 (Platform version: 6158.49.0, 6158.56.0) for all Chrome OS devices except Chromeboxes. This build contains a number of bug fixes, security updates and feature enhancements. Systems will be receiving updates over the next several days. Here is a list of Chromium changes.

Some highlights of these changes are:

• MTP support in the Files app - you can now plug in your Android phone and get files from it
• We’ve added a set of features to enhance touch screen accessibility

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.

Below, we highlight fixes that were either contributed by external researchers or particularly interesting. Please see the Chromium security page page for more information.

The Beta channel has been updated to 38.0.2125.101 (Platform version: 6158.49.0) 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 horizontal bars in the upper right corner of the browser).

Dharani Govindan
Google Chrome

The Beta channel has been updated to 38.0.2125.77 (Platform version: 6158.41.0) 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 horizontal bars in the upper right corner of the browser).

Dharani Govindan
Google Chrome

The Dev channel has been updated to 39.0.2167.5 (Platform version: 6297.1.0) for all Chrome OS devices except the Samsung Series 5 Chromebook and HP Chromebook 11. 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 horizontal bars in the upper right corner of the browser).

Ben Henry
Google Chrome

[414124] RSA signature malleability in NSS. Thanks to Antoine Delignat-Lavaud of Prosecco/INRIA, Brian Smith and Intel ATR.

Josafat Garcia

The Beta channel has been updated to 38.0.2125.71 (Platform version: 6158.36.0) for all Chrome OS devices except HP Chromebook 11. 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 horizontal bars in the upper right corner of the browser).

Dharani Govindan
Google Chrome

Josafat Garcia

The Beta channel has been updated to 38.0.2125.58 (Platform version: 6158.27.0) 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 horizontal bars in the upper right corner of the browser).

Dharani Govindan
Google Chrome

Known issues are available here. Enterprise customers can report an issue by contacting support.

Lawrence Lui

Google Chrome