Release notes
Learn about changes to Chrome Stable that affect developers.
Cancel review in the Chrome Web Store developer dashboard
Updated March 3, 2025
You can now stop the review process for an item that's pending review.
What's happening in Chrome Extensions, January 2025
Updated January 29, 2025
An overview of the recent changes in Chrome Extensions, plus exciting upcoming extensions features developers can look forward to.
Chrome Web Store policy updates: ensuring clarity and consistency for developers
Updated January 22, 2025
We're announcing a series of policy updates designed to provide clarity and consistency across our platform.
Prepare your extension as we begin testing a new extensions menu
Updated November 19, 2024
How to prepare your extension for the new extensions menu.
What's happening in Chrome Extensions, October 2024
Updated October 11, 2024
An overview of the recent changes in Chrome Extensions, plus exciting upcoming extensions features developers can look forward to.
Improving the Chrome Web Store Developer Dashboard mobile experience
Updated September 30, 2024
We're excited to launch a set of UI changes making the Chrome Web Store Developer Dashboard more responsive and mobile-friendly. We hope this gives you a more convenient and accessible experience when monitoring store listing performance, making
Chrome Extensions: Important policy updates
Updated July 10, 2024
This announcement includes a series of updates to Developer Program Policies page designed to encourage the development of high quality products, prevent deceptive behavior, and ensure informed user consent.
What's happening in Chrome Extensions?
Updated July 10, 2024
An overview of the recent changes in Chrome Extensions, plus exciting upcoming extension features developers can look forward to.
Adding Trusted Types to YouTube
Updated June 24, 2024
YouTube is enhancing platform security with Trusted Types to prevent cross-site scripting attacks, but it may impact your extension.
Behind the Chrome Web Store: Asking Trust & Safety your questions
Updated June 18, 2024
We sat down with the team that leads review in the Chrome Web Store.
What's happening in Chrome Extensions?
Updated April 16, 2024
An overview of the recent changes in Chrome Extensions, plus exciting upcoming extension features developers can look forward to.
Version rollbacks in the Chrome Web Store Developer Dashboard
Updated April 9, 2024
This week we're excited to launch a new feature that lets developers roll back their extensions to the previous published version in the Chrome Web Store. Our goal is to give developers increased peace-of-mind when publishing updates, especially with
Chrome Extensions: eyeo's journey to testing service worker suspension
Updated February 27, 2024
In this post, the eyeo team shares their journey into the problem of testing extension service workers. In particular, how to to make sure that their Chrome Extensions works correctly when a service worker gets suspended.
What's happening in Chrome Extensions?
Updated January 23, 2024
An overview of the recent changes in Chrome Extensions, plus exciting upcoming extension features developers can look forward to.
Resuming the transition to Manifest V3
Updated November 16, 2023
In December of last year, we paused the planned deprecation of Manifest V2 in order to address developer feedback and deliver better solutions to migration issues. As a result of this feedback, we’ve made a number of changes to Manifest V3 to close
Improving content filtering in Manifest V3
Updated November 15, 2023
Over the past year, we have been actively involved in discussions with the vendors behind several content blocking extensions around ways to improve the MV3 extensions platform. Based on these discussions, many of which took place in the
What's new in Chrome 120 for Extensions
Updated November 2, 2023
A summary of important changes in Chrome 120 for Chrome Extension developers.
What's happening in Chrome Extensions?
Updated October 17, 2023
An overview of the recent changes in Chrome Extensions, plus exciting upcoming extension features developers can look forward to.
DevTools Tips: Debugging Chrome extensions
Updated October 3, 2023
Learn how to use DevTools to debug Chrome extensions.
Google Summer of Code and Chrome Extensions
Updated September 4, 2023
Experience and advice on participating in Google Summer of Code.
Bringing Safety check to the chrome://extensions page
Updated August 16, 2023
Starting in Chrome 117, Chrome will proactively highlight to users when an extension they have installed is no longer in the Chrome Web Store.
What's new in Chrome 116 for Extensions
Updated July 20, 2023
A summary of important changes in Chrome 116 for Chrome Extension developers.
What's happening in Chrome Extensions?
Updated July 13, 2023
An overview of the changes so far this year in Chrome Extensions, plus exciting upcoming extension features developers can look forward to.
Design a superior user experience with the new Side Panel API
Updated May 30, 2023
Introducing the new Side Panel API for Chrome extensions.
Longer extension service worker lifetimes
Updated January 27, 2023
Extension service workers can now stay alive as long as they're receiving events. This increases the reliability of extension services workers, but has a pitfall you should avoid.
Offscreen Documents in Manifest V3
Updated January 25, 2023
Introducing the Offscreen Documents API for Chrome extension development.
Chrome Web Store Policy Updates
Updated December 15, 2022
Chrome is updating the Chrome Web Store's Developer Program Policies to clearly state our guiding principals, provide more context on enforcement, and make our policies easier to understand.
Chrome Extensions: Extending API to support Instant Navigation
Updated November 30, 2022
The Extensions API has been updated to support back/forward cache, preloading navigations.
Chrome Web Store Policy Updates
Updated November 1, 2022
Chrome is updating the Chrome Web Store's Developer Program Policies to clearly state our guiding principals, provide more context on enforcement, and make our policies easier to understand.
A new way to start your Chrome Extension development journey
Updated October 6, 2022
A better way to start the Chrome developer learning journey.
Revamping Analytics in the Chrome Web Store Developer Dashboard
Updated July 28, 2022
Google is rolling out a revamped item analytics experience for the Chrome Web Store Developer Dashboard. The new dashboard is easier to understand at a glance and consolidates the most useful information upfront.
The transition of Chrome extensions to Manifest V3
Updated September 23, 2021
Sharing details about the plan to move extensions to Manifest V3
Extension actions in Manifest V3
Updated June 23, 2021
Chrome extensions had Browser and Page Actions APIs for years, but Manifest V3 replaced both with a generic Actions API. This post explores the history of these APIs and what has changed in Manifest V3.
Introducing chrome.scripting
Updated June 8, 2021
The Scripting API is a new Manifest V3 API focused on, well, scripting. Let's dig into the motivations for this change and how it's different.
Extension Manifest Converter
Updated April 28, 2021
Open source tool to convert extensions to Manifest V3. You'll still need to manually update any code with non-mechanical changes, such as adapting to use service workers or some script injection.
Web Accessible Resources for Manifest V3
Updated April 20, 2021
Web Accessible Resources for Manifest V3 is here! Now `manifest.json` supports permission definitions. Developers can restrict resources based on the requesting site origin or extension id.
Media Source Extensions for Audio
Updated June 11, 2015
Media Source Extensions (MSE) provide extended buffering and playback control for the HTML5 audio and video elements. While originally developed to facilitate Dynamic Adaptive Streaming over HTTP (DASH) based video players, MSE can be used for audio; specifically for gapless playback.
Always updating
Cancel review in the Chrome Web Store developer dashboard
Updated March 3, 2025
You can now stop the review process for an item that's pending review.
What's happening in Chrome Extensions, January 2025
Updated January 29, 2025
An overview of the recent changes in Chrome Extensions, plus exciting upcoming extensions features developers can look forward to.
Chrome Web Store policy updates: ensuring clarity and consistency for developers
Updated January 22, 2025
We're announcing a series of policy updates designed to provide clarity and consistency across our platform.
Prepare your extension as we begin testing a new extensions menu
Updated November 19, 2024
How to prepare your extension for the new extensions menu.
What's happening in Chrome Extensions, October 2024
Updated October 11, 2024
An overview of the recent changes in Chrome Extensions, plus exciting upcoming extensions features developers can look forward to.
Improving the Chrome Web Store Developer Dashboard mobile experience
Updated September 30, 2024
We're excited to launch a set of UI changes making the Chrome Web Store Developer Dashboard more responsive and mobile-friendly. We hope this gives you a more convenient and accessible experience when monitoring store listing performance, making
Chrome Extensions: Important policy updates
Updated July 10, 2024
This announcement includes a series of updates to Developer Program Policies page designed to encourage the development of high quality products, prevent deceptive behavior, and ensure informed user consent.
What's happening in Chrome Extensions?
Updated July 10, 2024
An overview of the recent changes in Chrome Extensions, plus exciting upcoming extension features developers can look forward to.
Adding Trusted Types to YouTube
Updated June 24, 2024
YouTube is enhancing platform security with Trusted Types to prevent cross-site scripting attacks, but it may impact your extension.
Behind the Chrome Web Store: Asking Trust & Safety your questions
Updated June 18, 2024
We sat down with the team that leads review in the Chrome Web Store.
What's happening in Chrome Extensions?
Updated April 16, 2024
An overview of the recent changes in Chrome Extensions, plus exciting upcoming extension features developers can look forward to.
Version rollbacks in the Chrome Web Store Developer Dashboard
Updated April 9, 2024
This week we're excited to launch a new feature that lets developers roll back their extensions to the previous published version in the Chrome Web Store. Our goal is to give developers increased peace-of-mind when publishing updates, especially with
Chrome Extensions: eyeo's journey to testing service worker suspension
Updated February 27, 2024
In this post, the eyeo team shares their journey into the problem of testing extension service workers. In particular, how to to make sure that their Chrome Extensions works correctly when a service worker gets suspended.
What's happening in Chrome Extensions?
Updated January 23, 2024
An overview of the recent changes in Chrome Extensions, plus exciting upcoming extension features developers can look forward to.
Resuming the transition to Manifest V3
Updated November 16, 2023
In December of last year, we paused the planned deprecation of Manifest V2 in order to address developer feedback and deliver better solutions to migration issues. As a result of this feedback, we’ve made a number of changes to Manifest V3 to close
Improving content filtering in Manifest V3
Updated November 15, 2023
Over the past year, we have been actively involved in discussions with the vendors behind several content blocking extensions around ways to improve the MV3 extensions platform. Based on these discussions, many of which took place in the
What's new in Chrome 120 for Extensions
Updated November 2, 2023
A summary of important changes in Chrome 120 for Chrome Extension developers.
What's happening in Chrome Extensions?
Updated October 17, 2023
An overview of the recent changes in Chrome Extensions, plus exciting upcoming extension features developers can look forward to.
DevTools Tips: Debugging Chrome extensions
Updated October 3, 2023
Learn how to use DevTools to debug Chrome extensions.
Google Summer of Code and Chrome Extensions
Updated September 4, 2023
Experience and advice on participating in Google Summer of Code.
Bringing Safety check to the chrome://extensions page
Updated August 16, 2023
Starting in Chrome 117, Chrome will proactively highlight to users when an extension they have installed is no longer in the Chrome Web Store.
What's new in Chrome 116 for Extensions
Updated July 20, 2023
A summary of important changes in Chrome 116 for Chrome Extension developers.
What's happening in Chrome Extensions?
Updated July 13, 2023
An overview of the changes so far this year in Chrome Extensions, plus exciting upcoming extension features developers can look forward to.
Design a superior user experience with the new Side Panel API
Updated May 30, 2023
Introducing the new Side Panel API for Chrome extensions.
Longer extension service worker lifetimes
Updated January 27, 2023
Extension service workers can now stay alive as long as they're receiving events. This increases the reliability of extension services workers, but has a pitfall you should avoid.
Offscreen Documents in Manifest V3
Updated January 25, 2023
Introducing the Offscreen Documents API for Chrome extension development.
Chrome Web Store Policy Updates
Updated December 15, 2022
Chrome is updating the Chrome Web Store's Developer Program Policies to clearly state our guiding principals, provide more context on enforcement, and make our policies easier to understand.
Chrome Extensions: Extending API to support Instant Navigation
Updated November 30, 2022
The Extensions API has been updated to support back/forward cache, preloading navigations.
Chrome Web Store Policy Updates
Updated November 1, 2022
Chrome is updating the Chrome Web Store's Developer Program Policies to clearly state our guiding principals, provide more context on enforcement, and make our policies easier to understand.
A new way to start your Chrome Extension development journey
Updated October 6, 2022
A better way to start the Chrome developer learning journey.
Revamping Analytics in the Chrome Web Store Developer Dashboard
Updated July 28, 2022
Google is rolling out a revamped item analytics experience for the Chrome Web Store Developer Dashboard. The new dashboard is easier to understand at a glance and consolidates the most useful information upfront.
The transition of Chrome extensions to Manifest V3
Updated September 23, 2021
Sharing details about the plan to move extensions to Manifest V3
Extension actions in Manifest V3
Updated June 23, 2021
Chrome extensions had Browser and Page Actions APIs for years, but Manifest V3 replaced both with a generic Actions API. This post explores the history of these APIs and what has changed in Manifest V3.
Introducing chrome.scripting
Updated June 8, 2021
The Scripting API is a new Manifest V3 API focused on, well, scripting. Let's dig into the motivations for this change and how it's different.
Extension Manifest Converter
Updated April 28, 2021
Open source tool to convert extensions to Manifest V3. You'll still need to manually update any code with non-mechanical changes, such as adapting to use service workers or some script injection.
Web Accessible Resources for Manifest V3
Updated April 20, 2021
Web Accessible Resources for Manifest V3 is here! Now `manifest.json` supports permission definitions. Developers can restrict resources based on the requesting site origin or extension id.
Media Source Extensions for Audio
Updated June 11, 2015
Media Source Extensions (MSE) provide extended buffering and playback control for the HTML5 audio and video elements. While originally developed to facilitate Dynamic Adaptive Streaming over HTTP (DASH) based video players, MSE can be used for audio; specifically for gapless playback.