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Copilot AI commented Nov 18, 2025

Summary

The breaking change document for .NET 10's Ubuntu transition did not make it sufficiently clear that Debian images will not be available at all, not just non-default.

Changes:

  • Added prominent notice that Debian images will not be shipped for .NET 10
  • Listed officially supported platforms: Ubuntu, Alpine, Azure Linux, Windows
  • Added reference to issue Async: explain the pattern of Task-returning synchronous methods #6734 (community feedback on Debian removal)
  • Updated "New behavior" section to explicitly state Debian is no longer an option
  • Enhanced "Recommended action" with guidance for users requiring Debian to build custom images

Fixes the documentation gap identified in the problem statement by making it obvious that this is a complete removal of Debian support, not merely a default preference change.

Original prompt

On default-images-use-ubuntu.md, This document should make it obvious that we will not ship .NET 10 Debian images. Relevant issues/discussions/announcements:


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Internal previews

📄 File 🔗 Preview link
docs/core/compatibility/containers/10.0/default-images-use-ubuntu.md Default .NET images use Ubuntu

Co-authored-by: lbussell <36081148+lbussell@users.noreply.github.com>
Copilot AI changed the title [WIP] Clarify no .NET 10 Debian images will be shipped Clarify that Debian images will not be shipped for .NET 10 Nov 18, 2025
Copilot AI requested a review from lbussell November 18, 2025 16:43
Copilot finished work on behalf of lbussell November 18, 2025 16:43
@lbussell lbussell requested a review from richlander November 18, 2025 16:51
@lbussell lbussell marked this pull request as ready for review November 18, 2025 16:51
@lbussell lbussell requested review from a team and gewarren as code owners November 18, 2025 16:51
Copilot AI review requested due to automatic review settings November 18, 2025 16:51
Copilot finished reviewing on behalf of lbussell November 18, 2025 16:52
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Pull Request Overview

This PR clarifies that Debian container images will be completely removed for .NET 10, not merely changed from being the default. The changes make it explicit that this is a complete removal of Debian support rather than just a preference change.

Key changes:

  • Added prominent notice at the beginning that Debian images won't be shipped for .NET 10
  • Updated "New behavior" section to explicitly state Debian is no longer provided
  • Enhanced "Recommended action" with specific guidance for users requiring Debian to build custom images

@BillWagner
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closing and reopening for a fresh build

@BillWagner BillWagner closed this Nov 19, 2025
@BillWagner BillWagner reopened this Nov 19, 2025
@dotnetrepoman dotnetrepoman bot added this to the November 2025 milestone Nov 19, 2025
@lbussell lbussell merged commit ca2ed20 into main Nov 19, 2025
23 of 25 checks passed
@lbussell lbussell deleted the copilot/update-ubuntu-image-documentation branch November 19, 2025 15:23
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4 participants