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Welcome What's new in Chrome extensions Get help with Chrome extensions
Welcome Extensions 101 Development basics Run scripts on every page Inject scripts into the active tab Manage tabs Handle events with service workers
Welcome to Manifest V3 Extensions platform vision Overview of Manifest V3
What are themes? Frequently asked questions Extensions quality guidelines FAQ
Migrate to Manifest V3 Manifest V3 migration checklist Update the manifest Migrate to a service worker Update your code Replace blocking web request listeners Improve extension security Manifest V2 support timeline Known issues when migrating to Manifest V3
API reference Samples
Extension development overview Manifest file format Architecture overview Declare permissions About extension service workers Design the user interface Debugging extensions Samples
About extension service workers Extension service worker basics The extension service worker lifecycle Events in service workers
Message passing Content scripts Match patterns Using promises Cross-origin isolation
Using eval in Chrome extensions
Overriding Chrome settings Extending DevTools Fetching favicons OAuth2: Authenticate users with Google Overriding Chrome pages Rich notifications API Native messaging Audio recording and screen capture
Protect user privacy Permission warning guidelines Stay secure Accessibility (a11y) Localization message formats Give users options
Extension hosting Alternative extension installation methods Installing extensions on Linux Tutorial: Google analytics
About Manifest V2 Getting started
What are extensions? What are themes? Frequently asked questions
Extension development overview Manifest file format Architecture overview Declare permissions Design the user interface Debugging extensions Samples
Message passing Content scripts Manage events with background scripts Match patterns Cross-origin isolation
Cross-origin XMLHttpRequest Using eval in Chrome extensions
Overriding Chrome settings Extending DevTools OAuth2: Authenticate users with Google Overriding Chrome pages Rich notifications API
Protect user privacy Declare permissions and warn users Stay secure Accessibility (a11y) Localization message formats Give users options
Chrome Web Store Alternative extension distribution options Installing extensions on Linux Tutorial: Google analytics
Extensions
Welcome What's new in Chrome extensions Get help with Chrome extensions
Welcome Extensions 101 Development basics Run scripts on every page Inject scripts into the active tab Manage tabs Handle events with service workers
Welcome to Manifest V3 Extensions platform vision Overview of Manifest V3
What are themes? Frequently asked questions Extensions quality guidelines FAQ
Migrate to Manifest V3 Manifest V3 migration checklist Update the manifest Migrate to a service worker Update your code Replace blocking web request listeners Improve extension security Manifest V2 support timeline Known issues when migrating to Manifest V3
API reference Samples
Extension development overview Manifest file format Architecture overview Declare permissions About extension service workers Design the user interface Debugging extensions Samples
About extension service workers Extension service worker basics The extension service worker lifecycle Events in service workers
Message passing Content scripts Match patterns Using promises Cross-origin isolation
Using eval in Chrome extensions
Overriding Chrome settings Extending DevTools Fetching favicons OAuth2: Authenticate users with Google Overriding Chrome pages Rich notifications API Native messaging Audio recording and screen capture
Protect user privacy Permission warning guidelines Stay secure Accessibility (a11y) Localization message formats Give users options
Extension hosting Alternative extension installation methods Installing extensions on Linux Tutorial: Google analytics
About Manifest V2 Getting started
What are extensions? What are themes? Frequently asked questions
Extension development overview Manifest file format Architecture overview Declare permissions Design the user interface Debugging extensions Samples
Message passing Content scripts Manage events with background scripts Match patterns Cross-origin isolation
Cross-origin XMLHttpRequest Using eval in Chrome extensions
Overriding Chrome settings Extending DevTools OAuth2: Authenticate users with Google Overriding Chrome pages Rich notifications API
Protect user privacy Declare permissions and warn users Stay secure Accessibility (a11y) Localization message formats Give users options
Chrome Web Store Alternative extension distribution options Installing extensions on Linux Tutorial: Google analytics

Manifest V2 support timeline

Understand when Manifest V2 will stop working for extensions

Published on • Updated on

We're still working on the timeline of the MV2 phase-out plan, so keep an eye out for it in the coming months. We will provide at least 6 months between a timeline announcement and any experiments deprecating MV2 features.

Before announcing a new timeline, we are addressing prioritized platform gaps and closing critical bugs. You can track these on the Known Issues page.

For more information, see our most recent post on the chromium-extensions mailing list.

History

June 2022

Chrome Web Store stopped accepting new Manifest V2 extensions with visibility set to "Private".

January 2022

Chrome Web Store stopped accepting new Manifest V2 extensions with visibility set to "Public" or "Unlisted". The ability to change Manifest V2 extensions from "Private" to "Public" or "Unlisted" was removed.

Updated on • Improve article

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