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Hi everyone! We've just released Chrome Beta 90 (90.0.4430.61) for Android: it's now available on Google Play.

You can see a partial list of the changes in the Git log. For details on new features, check out the Chromium blog, and for details on web platform updates, check here.

If you find a new issue, please let us know by filing a bug.

Krishna Govind
Google Chrome

Hi everyone! We've just released Chrome Beta 90 (90.0.4430.51) for Android: it's now available on Google Play.

You can see a partial list of the changes in the Git log. For details on new features, check out the Chromium blog, and for details on web platform updates, check here.

If you find a new issue, please let us know by filing a bug.

Krishna Govind
Google Chrome

Hi, everyone! We've released Chrome Beta 90 (90.0.4430.52) for iOS: it'll become available on App Store in next few days.


You can see a partial list of the changes in the Git log. If you find a new issue, please let us know by filing a bug.

Bindu Suvarna
Google Chrome

 The Beta channel has been updated to 90.0.4430.51 for Windows Mac and Linux.



A full 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.


Srinivas Sista

The Stable channel has been updated to 89.0.4389.114 for Windows, Mac and Linux which will roll out over the coming days/weeks.


A full 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.

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


[$20000][1181228] High CVE-2021-21194: Use after free in screen capture. Reported by Leecraso and Guang Gong of 360 Alpha Lab on 2021-02-23

[$15000][1182647] High CVE-2021-21195: Use after free in V8. Reported by Bohan Liu (@P4nda20371774) and Moon Liang of Tencent Security Xuanwu Lab on 2021-02-26

[$10000][1175992] High CVE-2021-21196: Heap buffer overflow in TabStrip. Reported by Khalil Zhani on 2021-02-08

[$TBD][1173903] High CVE-2021-21197: Heap buffer overflow in TabStrip. Reported by Abdulrahman Alqabandi, Microsoft Browser Vulnerability Research on 2021-02-03

[$TBD][1184399] High CVE-2021-21198: Out of bounds read in IPC. Reported by Mark Brand of Google Project Zero on 2021-03-03

[$7500][1179635] High CVE-2021-21199: Use Use after free in Aura. Reported by Weipeng Jiang (@Krace) from Codesafe Team of Legendsec at Qi'anxin Group and Evangelos Foutras


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:

  • [1193827] Various fixes from internal audits, fuzzing and other initiatives


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

Prudhvikumar Bommana
Google Chrome

Hi everyone! We've just released Chrome Beta 90 (90.0.4430.40) for Android: it's now available on Google Play.

You can see a partial list of the changes in the Git log. For details on new features, check out the Chromium blog, and for details on web platform updates, check here.

If you find a new issue, please let us know by filing a bug.

Krishna Govind
Google Chrome

Hi, everyone! We've released Chrome Beta 90 (90.0.4430.37) for iOS: it'll become available on App Store in next few days.


You can see a partial list of the changes in the Git log. If you find a new issue, please let us know by filing a bug.

Bindu Suvarna
Google Chrome

The Beta channel has been updated to 90.0.4430.36 (Platform version: 13816.25.0) for most Chrome OS devices. 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).

Daniel Gagnon
Google Chrome

The Beta channel has been updated to 90.0.4430.41 for Windows and 90.0.4430.40 for Mac and Linux.



A full 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.


Srinivas Sista

 The Dev channel has been updated to 91.0.4455.2 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.

Prudhvikumar Bommana


Google Chrome

Hi, everyone! We've just released Chrome 89 (89.0.4389.105) for Android: it'll become available on Google Play over the next few weeks.

This release includes stability and performance improvements. You can see a full list of the changes in the Git log. If you find a new issue, please let us know by filing a bug.

Ben Mason
Google Chrome

The Dev channel has been updated to 91.0.4449.3/.6 for Windows and 91.0.4449.6 for 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.

Prudhvikumar Bommana


Google Chrome

Hi everyone! We've just released Chrome Beta 90 (90.0.4430.30) for Android: it's now available on Google Play.

You can see a partial list of the changes in the Git log. For details on new features, check out the Chromium blog, and for details on web platform updates, check here.

If you find a new issue, please let us know by filing a bug.

Krishna Govind
Google Chrome

 The Stable channel is being updated to 89.0.4389.95 (Platform version: 13729.56.0) for most Chrome OS devices. This build contains a number of bug fixes and security updates. Systems will be receiving updates over the next several 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). 

Geo Hsu

Google Chrome OS

 Hi, everyone! We've released Chrome Beta 90 (90.0.4430.30) for iOS: it'll become available on App Store in next few days.


You can see a partial list of the changes in the Git log. If you find a new issue, please let us know by filing a bug.

Bindu Suvarna
Google Chrome

The Beta channel has been updated to 90.0.4430.30 for Windows,Mac and Linux.



A full 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.


Srinivas Sista

The Beta channel has been updated to 90.0.4430.19 (Platform version: 13816.12.0) for most Chrome OS devices. 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).

Cindy Bayless
Google Chrome

Hi, everyone! We've just released Chrome 89 (89.0.4389.90) for Android: it'll become available on Google Play over the next few weeks.

This release includes stability and performance improvements. You can see a full list of the changes in the Git log. If you find a new issue, please let us know by filing a bug.

Ben Mason
Google Chrome

 The Stable channel has been updated to 89.0.4329.82 (Platform version: 13729.45.0) for most Chrome OS devices. This build contains a number of bug fixes, security updates and feature enhancements. Changes can be viewed 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).

Geo Hsu
Google Chrome

The Stable channel has been updated to 89.0.4389.90 for Windows, Mac and Linux which will roll out over the coming days/weeks.


A full 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.

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


[$500][1167357] High CVE-2021-21191: Use after free in WebRTC. Reported by raven (@raid_akame)  on 2021-01-15

[$TBD][1181387] High CVE-2021-21192: Heap buffer overflow in tab groups. Reported by Abdulrahman Alqabandi, Microsoft Browser Vulnerability Research on 2021-02-23

[$TBD][1186287] High CVE-2021-21193: Use after free in Blink. Reported by Anonymous on 2021-03-09


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.


Google is aware of reports that an exploit for CVE-2021-21193 exists in the wild.

As usual, our ongoing internal security work was responsible for a wide range of fixes:

  • [1187298] Various fixes from internal audits, fuzzing and other initiatives


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


Prudhvikumar Bommana
Google Chrome

 The Dev channel has been updated to 91.0.4442.4 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.

Prudhvikumar Bommana


Google Chrome 

Hi everyone! We've just released Chrome Beta 90 (90.0.4430.19) for Android: it's now available on Google Play.

You can see a partial list of the changes in the Git log. For details on new features, check out the Chromium blog, and for details on web platform updates, check here.

If you find a new issue, please let us know by filing a bug.

Krishna Govind
Google Chrome

The Chrome team is excited to announce the promotion of Chrome 90 to the Beta channel for Windows, Mac and Linux. Chrome 90.0.4430.19 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 full 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 issues, 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.



Prudhvikumar Bommana

Hi, everyone! We've released Chrome Beta 90 (90.0.4430.20) for iOS: it'll become available on App Store in next few days.


You can see a partial list of the changes in the Git log. If you find a new issue, please let us know by filing a bug.

Bindu Suvarna
Google Chrome

The Dev channel has been updated to 90.0.4430.19 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.

Srinivas Sista


Google Chrome 


Hi, everyone! We've just released Chrome 89 (89.0.4389.86) for Android: it'll become available on Google Play over the next few weeks.

This release includes stability and performance improvements. You can see a full list of the changes in the Git log. If you find a new issue, please let us know by filing a bug.

Ben Mason
Google Chrome

Hi everyone! We've just released Chrome Beta 89 (89.0.4389.86) for Android: it's now available on Google Play.

You can see a partial list of the changes in the Git log. For details on new features, check out the Chromium blog, and for details on web platform updates, check here.

If you find a new issue, please let us know by filing a bug.

Ben Mason
Google Chrome

The Stable channel has been updated to 89.0.4389.82 for Windows, Mac and Linux which will roll out over the coming days/weeks.


A full 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.

Prudhvikumar Bommana
Google Chrome

  The Beta channel has been updated to 89.0.4329.76 (Platform version: 13729.41.0) for most Chrome OS devices. This build contains a number of bug fixes, security updates and feature enhancements. Changes can be viewed 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).

Geo Hsu
Google Chrome

Hi, everyone! We've released Chrome Beta 89 (89.0.4389.78) for iOS: it'll become available on App Store in next few days.


You can see a partial list of the changes in the Git log. If you find a new issue, please let us know by filing a bug.

Bindu Suvarna
Google Chrome

 The Dev channel has been updated to 90.0.4430.11 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.


Google Chrome 

Srinivas Sista

Hi, everyone! We've just released Chrome 89 (89.0.4389.72) for Android: it'll become available on Google Play over the next few weeks.

This release includes stability and performance improvements. You can see a full list of the changes in the Git log. If you find a new issue, please let us know by filing a bug.

Ben Mason
Google Chrome

The Chrome team is delighted to announce the promotion of Chrome 89 to the stable channel for Windows, Mac and Linux. This will roll out over the coming days/weeks.



Chrome 89.0.4389.72 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 89

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


[$10000][1171049] High CVE-2021-21159: Heap buffer overflow in TabStrip. Reported by Khalil Zhani on 2021-01-27

[$7500][1170531] High CVE-2021-21160: Heap buffer overflow in WebAudio. Reported by Marcin 'Icewall' Noga of Cisco Talos on 2021-01-25

[$7500][1173702] High CVE-2021-21161: Heap buffer overflow in TabStrip. Reported by Khalil Zhani on 2021-02-02

[$5000][1172054] High CVE-2021-21162: Use after free in WebRTC. Reported by Anonymous on 2021-01-29

[$TBD][1111239] High CVE-2021-21163: Insufficient data validation in Reader Mode. Reported by Alison Huffman, Microsoft Browser Vulnerability Research on 2020-07-30

[$TBD][1164846] High CVE-2021-21164: Insufficient data validation in Chrome for iOS. Reported by Muneaki Nishimura (nishimunea) on 2021-01-11

[$TBD][1174582] High CVE-2021-21165: Object lifecycle issue in audio. Reported by Alison Huffman, Microsoft Browser Vulnerability Research on 2021-02-04

[$TBD][1177465] High CVE-2021-21166: Object lifecycle issue in audio. Reported by Alison Huffman, Microsoft Browser Vulnerability Research on 2021-02-11

[$10000][1161144] Medium CVE-2021-21167: Use after free in bookmarks. Reported by Leecraso and Guang Gong of 360 Alpha Lab on 2020-12-22

[$5000][1152226] Medium CVE-2021-21168: Insufficient policy enforcement in appcache. Reported by Luan Herrera (@lbherrera_) on 2020-11-24

[$5000][1166138] Medium CVE-2021-21169: Out of bounds memory access in V8. Reported by Bohan Liu (@P4nda20371774) and Moon Liang of Tencent Security Xuanwu Lab on 2021-01-13

[$3000][1111646] Medium CVE-2021-21170: Incorrect security UI in Loader. Reported by David Erceg on 2020-07-31

[$3000][1152894] Medium CVE-2021-21171: Incorrect security UI in TabStrip and Navigation. Reported by Irvan Kurniawan (sourc7) on 2020-11-25

[$1000][1150810] Medium CVE-2021-21172: Insufficient policy enforcement in File System API. Reported by Maciej Pulikowski on 2020-11-19

[$500][1154250] Medium CVE-2021-21173: Side-channel information leakage in Network Internals. Reported by Tom Van Goethem from imec-DistriNet, KU Leuven on 2020-12-01

[$NA][1152999] Medium CVE-2021-21174: Inappropriate implementation in Referrer. Reported by Jun Kokatsu (@shhnjk) on 2020-11-26

[$TBD][1146651] Medium CVE-2021-21175: Inappropriate implementation in Site isolation. Reported by Jun Kokatsu, Microsoft Browser Vulnerability Research on 2020-11-07

[$TBD][1170584] Medium CVE-2021-21176: Inappropriate implementation in full screen mode. Reported by Luan Herrera (@lbherrera_) on 2021-01-26

[$TBD][1173879] Medium CVE-2021-21177: Insufficient policy enforcement in Autofill. Reported by Abdulrahman Alqabandi, Microsoft Browser Vulnerability Research on 2021-02-03

[$TBD][1174186] Medium CVE-2021-21178: Inappropriate implementation in Compositing. Reported by Japong on 2021-02-03

[$TBD][1174943] Medium CVE-2021-21179: Use after free in Network Internals. Reported by Anonymous on 2021-02-05

[$TBD][1175507] Medium CVE-2021-21180: Use after free in tab search. Reported by Abdulrahman Alqabandi, Microsoft Browser Vulnerability Research on 2021-02-07

[$TBD][1177875] Medium CVE-2020-27844: Heap buffer overflow in OpenJPEG. Reported by Sean Campbell at Tableau on 2021-02-12

[$TBD][1182767] Medium CVE-2021-21181: Side-channel information leakage in autofill. Reported by Xu Lin (University of Illinois at Chicago), Panagiotis Ilia (University of Illinois at Chicago), Jason Polakis (University of Illinois at Chicago) on 2021-02-26

[$1000][1049265] Low CVE-2021-21182: Insufficient policy enforcement in navigations. Reported by Luan Herrera (@lbherrera_) on 2020-02-05

[$1000][1105875] Low CVE-2021-21183: Inappropriate implementation in performance APIs. Reported by Takashi Yoneuchi (@y0n3uchy) on 2020-07-15

[$1000][1131929] Low CVE-2021-21184: Inappropriate implementation in performance APIs. Reported by James Hartig on 2020-09-24

[$TBD][1100748] Low CVE-2021-21185: Insufficient policy enforcement in extensions. Reported by David Erceg on 2020-06-30

[$TBD][1153445] Low CVE-2021-21186: Insufficient policy enforcement in QR scanning. Reported by dhirajkumarnifty on 2020-11-28

[$TBD][1155516] Low CVE-2021-21187: Insufficient data validation in URL formatting. Reported by Kirtikumar Anandrao Ramchandani on 2020-12-04

[$N/A][1161739] Low CVE-2021-21188: Use after free in Blink. Reported by Woojin Oh(@pwn_expoit) of STEALIEN on 2020-12-24

[$TBD][1165392] Low CVE-2021-21189: Insufficient policy enforcement in payments. Reported by Khalil Zhani on 2021-01-11

[$TBD][1166091] Low CVE-2021-21190: Uninitialized Use in PDFium. Reported by Zhou Aiting(@zhouat1) of Qihoo 360 Vulcan Team on 2021-01-13

[$NA][1164816] Low CVE-2021-21200: Inappropriate implementation in Settings. Reported by Lucas Pinheiro, Microsoft Browser Vulnerability Research on 2021-01-11

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.

Google is aware of reports that an exploit for CVE-2021-21166 exists in the wild. 


As usual, our ongoing internal security work was responsible for a wide range of fixes:

  • [1183883] Various fixes from internal audits, fuzzing and other initiatives


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


Prudhvikumar Bommana
Google Chrome