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[release-notes] .NET 11 RC 2 - #10601

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danroth27 wants to merge 6 commits into
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release-notes/11.0-rc2
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danroth27 wants to merge 6 commits into
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release-notes/11.0-rc2

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@danroth27

@danroth27 danroth27 commented Sep 26, 2026 •

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This is the shared base for the .NET 11 RC 2 release notes. It contains the index, shipped-change manifest, scored feature candidates, exact build metadata, and shared maintained-sample configuration. Component notes and their corresponding validation fixtures are separate draft PRs targeting this branch; component owners review and merge their PRs into this base.

Component entries in the base README are deliberately unlinked until their owner PRs add the matching Markdown file and that entry's relative link. Each component PR changes only its own index entry; the base README grows navigable as owners merge.

The manifest compares v11.0.0-rc.1.26425.128 with VMR 290612e85619452b73fc8e313e8d5517fedf8f85, the commit reported by SDK 11.0.100-rc.2.26475.137. It excludes 357 invalid imported Roslyn-history PR links and one source-build-assets change that landed after the exact SDK build. The release date remains blank until officially published. The milestone landing page and root release indexes are produced by separate release automation, not this draft.

The three unmerged skill PRs (#10525, #10596, #10599) were used locally to generate this work but are not included in the diff. The RC 1 to RC 2 public API diff was generated and reviewed locally; it is not part of this base PR.

Pending before publication

  • Two ASP.NET Core breaking-change announcements name RC 2, but their implementing PRs ([Identity] Use ordinal equality for external login keys aspnetcore#69277 and [Authentication] Validate OIDC auth_time against max_age aspnetcore#69321) are still open and absent from this build. Do not add them until a subsequent pinned build includes them.
  • Validate the iOS/tvOS file-locking default on a device or simulator, and NuGet publication-age version selection against a controlled feed. The component drafts mark these checks as TODOs.
  • The repo-wide Checkov scan reports an unchanged CKV2_GHA_1 finding in .github/workflows/copilot-setup-steps.yml plus an older JSON parsing error. Scans scoped to all new RC 2 notes and samples pass. These unrelated baseline findings have not been changed here.

Keep this PR as a draft until the component owners merge their matching drafts and the release identity is final.

Record shipped-change manifest, editorial triage, exact build and navigation. Preserve maintained sample validation configuration.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 637615df-deba-4407-bf00-9a3bd4e569b5
danroth27 and others added 2 commits September 26, 2026 14:38
Keep component entries unlinked until their owner PRs add the matching note and index link.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 637615df-deba-4407-bf00-9a3bd4e569b5
Keep push link checks focused on RC2 changes rather than preview index files changed upstream.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 637615df-deba-4407-bf00-9a3bd4e569b5
danroth27 and others added 3 commits September 26, 2026 15:17
Leave only component entries unlinked until their owning PRs merge.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 637615df-deba-4407-bf00-9a3bd4e569b5
Keep the base README ready for release as component owners complete its links.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 637615df-deba-4407-bf00-9a3bd4e569b5
Co-authored-by: Andriy Svyryd <AndriySvyryd@users.noreply.github.com>

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