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Additional MV2 deprecation timeline step #3916

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Additional MV2 deprecation timeline step #3916

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Draft MV2 deprecation warning note in timeline table
captainbrosset Aug 27, 2026
ff5d58a
Writer/Editor pass
mikehoffms Aug 27, 2026
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3 changes: 2 additions & 1 deletion microsoft-edge/extensions/developer-guide/manifest-v3.md
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Expand Up @@ -6,7 +6,7 @@ ms.author: msedgedevrel
ms.topic: article
ms.service: microsoft-edge
ms.subservice: extensions
ms.date: 08/07/2026
ms.date: 08/27/2026
---
# Timeline for migrating to Manifest V3

Expand All @@ -16,6 +16,7 @@ To plan the migration of your extension from Manifest V2 to Manifest V3, the fol
|---|---|
| Jul. 2022 | Partner Center (and the Microsoft Edge Add-ons website) no longer accepts new Manifest V2 extensions. To publish a new extension, use Manifest V3. |
| Aug. 2026 | At Partner Center, if your extension uses Manifest V2, a Manifest V2 deprecation warning is displayed. |
| Mid-Sep. 2026 | Deprecation warnings will be displayed to some users, for extensions that continue to use Manifest V2, in the **Manage extensions** page of Microsoft Edge, and at the Microsoft Edge Add-ons website. |
| Early 2027 | For enterprise customers, deprecation of Manifest V2 extensions is expected to begin. |
| TBD | Partner Center (and the Microsoft Edge Add-ons website) will no longer accept updates to extensions that continue to use Manifest V2. You can submit an update that migrates a Manifest V2 extension to Manifest V3. |

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