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[manual] Merge release/9.0-staging into release/9.0 to unblock MSRC internal-to-public builds - #135907
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Fixes dotnet#135880 main PR dotnet#135749 # Description <!-- Give a brief summary of the issue and how the pull request is fixing it. --> Updates the public release/9.0 servicing branch to use the publicly available MsQuic 2.5.12 package. This completes the private-to-public security servicing handoff so internal-to-public merges do not retain the private `2.5.11-ci.159417053` identifier that public CI cannot restore. # Customer Impact <!-- What is the impact to customers of not taking this fix? --> Public release/9.0 builds fail restore with NU1603 because the private MsQuic servicing package is unavailable to public CI, blocking clean servicing builds. # Regression <!-- Is this fixing a problem that was introduced in the most recent release, ie., fixing a regression? --> This is not a product-code regression. The failure occurs during the post-disclosure dependency handoff from private MSRC bits to the corresponding public package. # Testing <!-- What kind of testing has been done with the fix. --> Passed: ```console .\dotnet.cmd restore .\src\libraries\System.Net.Quic\src\System.Net.Quic.csproj /p:TargetOS=windows /p:TargetArchitecture=x64 --no-cache ``` The restore resolved MsQuic 2.5.12 without NU1603. # Risk <!-- Please assess the risk of taking this fix. Provide details backing up your assessment. --> Low. This is a one-line patch-version dependency update to the public servicing package, with no managed-code changes. Full functional testing is delegated to CI. # Package authoring no longer needed in .NET 9 IMPORTANT: Starting with .NET 9, you no longer need to edit a NuGet package's csproj to enable building and bump the version. Keep in mind that we still need package authoring in .NET 8 and older versions. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: b0b9c360-7d5d-4fdc-bede-48036e9dd9b7
ViveliDuCh
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Tagging subscribers to this area: @karelz, @dotnet/ncl |
wfurt
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Oct 16, 2026
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/ba-g DeadLetter and unrelated failures tracked in #130475 |
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#135884
The current internal-to-public merge against
release/9.0is failing across multiple Windows build legs because of the same warning-as-error:src/libraries/System.Net.Quic/src/System.Net.Quic.csproj(0,0): error NU1603: Warning As Error: System.Net.Quic depends on Microsoft.Native.Quic.MsQuic.Schannel (>= 2.5.11-ci.159417053) but Microsoft.Native.Quic.MsQuic.Schannel 2.5.11-ci.159417053 was not found. An approximate best match of Microsoft.Native.Quic.MsQuic.Schannel 2.5.11-rc was resolved.
2.5.11-ci.159417053is the private MsQuic package used internally during coordinated MSRC servicing, so it is intentionally unavailable to public builds. Now that the corresponding public servicing package is available as2.5.12, dotnet/runtime#135884 updatesrelease/9.0-stagingto that version. A targetedSystem.Net.Quicrestore passed locally withoutNU1603. Once this change reachesrelease/9.0and the internal-to-public merge is refreshed, public CI should be able to restore the dependency normally.