[Bug 2138326] Re: [SRU] New upstream microrelease .NET 8.0.123/8.0.23

[Andreas Hasenack]

Hello Mateus, or anyone else affected,

Accepted dotnet8 into questing-proposed. The package will build now and
be available at
https://launchpad.net/ubuntu/+source/dotnet8/8.0.123-8.0.23-0ubuntu1~25.10.1
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
questing to verification-done-questing. If it does not fix the bug for
you, please add a comment stating that, and change the tag to
verification-failed-questing. In either case, without details of your
testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: dotnet8 (Ubuntu Questing)
       Status: New => Fix Committed

** Tags added: verification-needed verification-needed-questing

** Changed in: dotnet8 (Ubuntu Noble)
       Status: New => Fix Committed

** Tags added: verification-needed-noble

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https://bugs.launchpad.net/bugs/2138326

Title:
  [SRU] New upstream microrelease .NET 8.0.123/8.0.23

Status in dotnet8 package in Ubuntu:
  New
Status in dotnet8 source package in Jammy:
  Fix Committed
Status in dotnet8 source package in Noble:
  Fix Committed
Status in dotnet8 source package in Questing:
  Fix Committed

Bug description:
  This is the tracking bug for the .NET 8 January 2026 release.

  [Impact]

   * This corresponds to an upstream microrelease released on January 13th, 2026. See also:
     - release announcement: https://github.com/dotnet/source-build/discussions/5460
     - .NET 8.0.23 Runtime release notes: https://github.com/dotnet/core/blob/main/release-notes/8.0/8.0.23/8.0.23.md
     - .NET 8.0.123 SDK release notes: https://github.com/dotnet/core/blob/main/release-notes/8.0/8.0.23/8.0.123.md

   * It is beneficial for all our users (including LTS users) to have
  access to the latest .NET stack.

  [Test Case]

   * The package should build successfully in -proposed (respectively).

   * The packages should be installable on jammy, noble, and questing on
     amd64, arm64, s390x and ppc64el architectures.

   * Autopackage tests should pass.

  [Regression Potential]

   * The dotnet8 package has no reverse dependencies.

   * The upstream testing routine is usually satisfactory (see for
  example Microsoft's public Azure Pipeline for .NET related
  repositories: https://dev.azure.com/dnceng-public/public/_build), but
  there is always a risk of something breaking.

  [Other]

  * The tarball originated from here:
  https://github.com/canonical/dotnet-source-
  build/actions/runs/20970209269

  * 8.0.23 is the version number of the .NET Runtime and 8.0.123 is the version
    number of the .NET SDK.

  * We are only building the 8.0.1xx feature band, because this is the only
    feature band that allows building from source. See explanation of feature
    bands: https://learn.microsoft.com/en-us/dotnet/core/releases-and-support#feature-bands-sdk-only

  * Overview of how dotnet is versioned: https://learn.microsoft.com/en-
  us/dotnet/core/versions/

  * PPA for review: https://launchpad.net/~mateus-
  morais/+archive/ubuntu/dotnet-servicing-jan-2026-2/+packages

  * In order to keep all dotnet* packages consistent, this release also includes debian/ changes uploaded to resolute, which are:
    * d/t/regular-tests: synced with upstream.
      - Removed release-version-sane test following upstream.
      - Removed unnecessary files from source tree.
      - cgroup-limit/test.sh: fix autopkgtest regression in Ubuntu releases with
        rust-coreutils by comparing the cgroup filesystem ID instead of friendly
        name.
    * d/t/run-regular-tests: fixed test username typo.
    * d/rules: cleaned up trailing spaces.
    * d/eng/test-runner: removed unnecessary files from source tree.

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