Retirement: Support for .NET 9 (STS) ends on November 10, 2026

Microsoft retired this App Service feature on 10 November 2026.

Retirement1 version

Facts

Microsoft id
485077
Products
App Service
Update type
Retirements
Product categories
Compute, Mobile, Web
Retirement
10 November 2026
Status pages
Azure App Service status
First captured by us
(from our first import of this list)
Microsoft last modified
Source
Azure Updates · open the original at Microsoft

Microsoft says

On 10 November, 2026, support for .NET 9 (STS) will end. Your apps that are hosted on App

Azure Updates,

Read Microsoft's full post

What Microsoft changed

One version so far. If Microsoft edits it, each change shows here with what was removed and added.

  1. First version we captured ·

    The text as we first saw it

    Seen by us · Microsoft's timestamp · Microsoft's page

Other changes for Azure App Service