Google Chrome and Microsoft Edge Manifest V3 extensions
- Updated: 2025/05/20
A manifest is a specification that is essential for constructing browser extensions, detailing the necessary components and permissions required for the extension functionality. Manifest V3 (MV3) is the latest specification for browser extensions supported by Chromium-based browsers, including Microsoft Edge.
Deprecation of Manifest V2 (MV2) extension
- For Google Chrome MV2 extensions timelines, see Manifest V2 support timeline.
- For Microsoft Edge MV2 extensions timelines, see Overview and timelines for migrating to Manifest V3.
Automation 360 deprecation of Manifest V2 (MV2)
In Automation 360 v.25 release, we introduced the Manifest V3 (MV3) extensions for Google Chrome and Microsoft Edge browsers. For more information, see Automation 360 v.25 Release Notes.
Starting from Automation 360 v.26 (October 2022) and later releases, MV2 extension will not be certified. After this date, issues related to MV2 extensions might not be addressed. If you are on Automation 360 v.26 or a later release and still using MV2 extensions for Google Chrome and Microsoft Edge, ensure that you update these extensions to MV3.
Automation 360 features that use browser extensions
- Bot Agent device registration with the Control Room (uses Chrome extension only)
- Automation of web applications through Universal Recorder or Browser package
- User interface based triggers
- Packages that use window titles, for example, OCR and Mouse Click
Choose your Manifest V3 extension update path
- Updating to Manifest V3 extension
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- New customers: Users starting with Automation 360 v.26 will directly use Manifest V3 extensions. You will not be impacted by the deprecation of Manifest V2 extensions.
- Cloud customers: Our Cloud deployments is updated to Automation 360 v.26 in October, and customers can switch to Manifest V3 extensions when they update their Bot Agent.
- On-Premises customers:
- Automation 360 v.26: Customers updating from an earlier version to Automation 360 v.26 will switch to Manifest V3 extensions when they update their Bot Agent.
- Automation 360 v.25: We have provided a Control Room patch with Automation 360 v.25. After installing the patch, the V2 extensions is switched to Manifest V3 extensions when you update the Bot Agent.
- Automation 360 (v.24, v.23, and v.22): For customers on Automation 360 v.24 or earlier, we strongly recommend that you update to Automation 360 v.26 or later releases. If you choose not to update, we will provide a set of steps to perform on all Bot Agent and Bot Runner devices to switch to Manifest V3 extensions. See Manifest extension manual upgrade.
- Automation 360 v.21 or earlier: We strongly recommend that you update to the latest version of Automation 360.
- Migrating to Automation 360
- We recommend that you migrate to Automation 360 v.26, which uses Manifest V3 extensions by default. If you are migrating to Automation 360 v.25, install the Control Room patch, that we released in October. See Automation 360 v.25 Release Notes.
- Enterprise 11 customers
- For details, see Enterprise 11: Deprecation of Basic authentication and MV2 extensions.