From 9c4a33d89365813eb02519cb6662e89b6ccd5295 Mon Sep 17 00:00:00 2001 From: Patrick Brosset Date: Thu, 27 Aug 2026 10:55:54 +0200 Subject: [PATCH 1/2] Draft MV2 deprecation warning note in timeline table --- microsoft-edge/extensions/developer-guide/manifest-v3.md | 1 + 1 file changed, 1 insertion(+) diff --git a/microsoft-edge/extensions/developer-guide/manifest-v3.md b/microsoft-edge/extensions/developer-guide/manifest-v3.md index 147e7d490b..cda47615dc 100644 --- a/microsoft-edge/extensions/developer-guide/manifest-v3.md +++ b/microsoft-edge/extensions/developer-guide/manifest-v3.md @@ -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 Sept. 2026 | Deprecation warnings are 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](https://microsoftedge.microsoft.com) 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. | From ff5d58a3c5b32842bcfb2adbeb02e96417222956 Mon Sep 17 00:00:00 2001 From: Michael Hoffman <45407486+mikehoffms@users.noreply.github.com> Date: Thu, 27 Aug 2026 08:13:14 -0700 Subject: [PATCH 2/2] Writer/Editor pass --- microsoft-edge/extensions/developer-guide/manifest-v3.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/microsoft-edge/extensions/developer-guide/manifest-v3.md b/microsoft-edge/extensions/developer-guide/manifest-v3.md index cda47615dc..161036c1d6 100644 --- a/microsoft-edge/extensions/developer-guide/manifest-v3.md +++ b/microsoft-edge/extensions/developer-guide/manifest-v3.md @@ -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 @@ -16,7 +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 Sept. 2026 | Deprecation warnings are 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](https://microsoftedge.microsoft.com) website. | +| 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. |