SharedWorkerBlobURLFixEnabled

Make SharedWorker blob URL behavior aligned with the specification

Supported versions

• On Windows and macOS since 134 or later
• On Android since 134 or later

Description

According to Service Worker specification https://w3c.github.io/ServiceWorker/#control-and-use-worker-client, workers should inherit controllers for blob URLs. Currently, only DedicatedWorkers inherit the controller, while SharedWorkers do not.

Enabled/Unset: Microsoft Edge inherits the controller for SharedWorker blob URLs, aligning with the specification.

Disabled: Behavior remains unchanged, not aligning with the specification.

This policy is temporary and will be removed in a future update.

Supported features

• Can be mandatory: Yes
• Can be recommended: No
• Dynamic Policy Refresh: No - Requires browser restart
• Per Profile: Yes
• Applies to a profile that is signed in with a Microsoft account: No

Data type

• Boolean

Windows information and settings

Group Policy (ADMX) info

• GP unique name: SharedWorkerBlobURLFixEnabled
• GP name: Make SharedWorker blob URL behavior aligned with the specification
• GP path (Mandatory): Administrative Templates/Microsoft Edge
• GP path (Recommended): N/A
• GP ADMX file name: MSEdge.admx

Example value

Enabled

Registry settings

• Path (Mandatory): SOFTWARE\Policies\Microsoft\Edge
• Path (Recommended): N/A
• Value name: SharedWorkerBlobURLFixEnabled
• Value type: REG_DWORD

Example registry value

0x00000001

Mac information and settings

• Preference Key name: SharedWorkerBlobURLFixEnabled
• Example value:

<true/>

Android information and settings

• Preference Key name: SharedWorkerBlobURLFixEnabled
• Example value:

true

See also

• Microsoft Edge - Policies