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* Update sdk.md for Preview 1 * Update release notes for .NET 11 Preview 1 SDK Expanded release notes for .NET 11 Preview 1 SDK features, including CLI command improvements, new analyzers, and other changes. * add msubild release notes too * Update release-notes/11.0/preview/preview1/sdk.md Co-authored-by: Youssef Victor <youssefvictor00@gmail.com> * Add `dotnet run` mobile gifs * coorect a markdown linting error * Fix image paths in SDK release notes Update release-notes/11.0/preview/preview1/sdk.md to correct GIF links by removing the redundant 'dotnet-11/' prefix from the Android and iOS media paths, ensuring the images resolve correctly. --------- Co-authored-by: Chet Husk <baronfel@users.noreply.github.com> Co-authored-by: Chet Husk <chusk3@gmail.com> Co-authored-by: Youssef Victor <youssefvictor00@gmail.com> Co-authored-by: Jonathan Peppers <jonathan.peppers@microsoft.com>
* Update visualbasic.md for Preview 1 * No VB changes. --------- Co-authored-by: Bill Wagner <wiwagn@microsoft.com>
* Update csharp.md for Preview 1 * first draft for C# * 2nd draft of release notes --------- Co-authored-by: Bill Wagner <wiwagn@microsoft.com>
* Update efcore.md for Preview 1 * EF Core 11 preview.1 docs * update urls --------- Co-authored-by: Shay Rojansky <roji@roji.org>
* Update libraries.md for Preview 1 * Revise release notes for .NET 11 Preview 1 libraries Updated release notes for .NET 11 Preview 1 libraries, summarizing new features, improvements, and notable changes across various feature areas. * Revise release notes for .NET 11 Libraries Preview 1 Updated release notes for .NET 11 Libraries Preview 1 to enhance clarity and detail regarding new features, performance improvements, and notable changes. * Update title for .NET 11 Libraries release notes * Revise introduction for clarity in libraries.md * Fix formatting in libraries.md for LoopbackServer * Revise libraries.md for .NET 11 Preview 1 updates (v2) Update release notes for .NET 11 Preview 1 with new features, improvements, and notable changes across various libraries. * Reorganize .NET 11 Preview 1 libraries section * Update libraries.md * Add more libraries features based on the .NET 10.0 GA to .NET 11 Preview 1 API Diff * Add Performance Improvements section to libraries.md --------- Co-authored-by: Art Leonard <artl93@users.noreply.github.com> Co-authored-by: Jeff Handley <jeffhandley@users.noreply.github.com> Co-authored-by: artl <artl@microsoft.com>
* Update fsharp.md for Preview 1 * Revise F# release notes for .NET 11 Preview 1 Updated F# release notes for .NET 11 Preview 1, including compiler performance improvements, new features, breaking changes, and bug fixes. * Fix markdown lint errors and broken link in fsharp.md - Fix MD051: anchor #performance → #compiler-performance - Fix MD051: anchor fragment missing hyphen in computation-expression-heavy - Fix MD012: remove trailing double blank line - Fix dead link: replace 404 fsharp-compiler-docs URL with learn.microsoft.com * Fix F# release notes link to About.html --------- Co-authored-by: Tomas Grosup <tomasgrosup@microsoft.com> Co-authored-by: Tomas Grosup <Tomas.Grosup@gmail.com>
* WIP - Add release notes generator and related documentation * Update default output path to release-notes/11.0/preview/preview1/libraries.md * Rename skill from release-notes-generator to libraries-release-notes * Add API Diff analysis as Step 1 of the workflow * Add backing issue research and Copilot comment fetching to the workflow * Add de-duplication against previous release notes * Update date range input to use Code Complete date guidance * Refine discovery and editorial instructions * Recognize multi-faceted PRs * Restructure skill into data/verify/author phases with independent steps * Improve libraries-release-notes skill to reduce approval prompts - Use SQL tool for intermediate data instead of writing .cache/ files - Remove disk I/O from gh CLI fallback instructions - Allow incremental input collection with progress tracking - Prohibit running linters, formatters, or validators on output * Use label-scoped searches to avoid large MCP responses - Add 'Avoid large MCP responses' execution guideline explaining that large search payloads get saved to temp files, requiring shell commands (and approval prompts) to read back. - Rewrite PR collection strategy to search per area label with small perPage values instead of fetching all merged PRs at once. - Prescribe view tool as fallback for any temp files instead of PowerShell commands. * Undo .gitignore cache addition for the libraries-release-notes skill * Refactor SKILL.md: extract inputs to reference file, relocate guidelines, remove workflow.md --------- Co-authored-by: Jeff Handley <jeffhandley@users.noreply.github.com>
* Update wpf.md for Preview 1 * Added WPF Updates --------- Co-authored-by: Himanshi Goyal <himgoyal@microsoft.com>
* Update dotnetmaui.md for Preview 1 * Update .NET MAUI release notes for Preview 1 Expanded release notes for .NET MAUI in Preview 1, detailing new features such as CoreCLR by default, enhancements to 'dotnet run', and XAML source generation. * Add files via upload * Revise .NET MAUI Preview 1 release notes Updated the release notes for .NET MAUI in Preview 1 to include new features and contributor acknowledgments. --------- Co-authored-by: David Ortinau <david.ortinau@microsoft.com>
* Update runtime.md for Preview 1 * update
…ents and removal of outdated references
jongalloway
approved these changes
Feb 10, 2026
jongalloway
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Feb 10, 2026
jeffhandley
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Feb 10, 2026
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jeffhandley
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Good from the libraries perspective
danroth27
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Feb 10, 2026
jkotas
reviewed
Feb 10, 2026
Co-authored-by: Jan Kotas <jkotas@microsoft.com>
jkotas
reviewed
Feb 10, 2026
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| ## WebAssembly | ||
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| ### CoreCLR on WebAssembly: SDK, packaging, and hosting |
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Is there something interesting that people can do with WebAssembly on CoreCLR in P1, and that we would like to get feedback for?
If not, we should shrink the whole CoreCLR WebAssembly section to just a single mention that CoreCLR port for WebAssembly have started.
jkotas
reviewed
Feb 10, 2026
| This preview adds faster allocation helpers and reduces overhead in common interop cases. | ||
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| - Faster allocation paths: | ||
| - `RhpNewFast` allocators. ([dotnet/runtime#120896](https://github.com/dotnet/runtime/pull/120896)) |
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These PRs were just implementing missing functionality for wasm (fixing crashes in tests). They were not really a performance improvements.
rbhanda
approved these changes
Feb 10, 2026
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This PR adds release notes for .NET 11 Preview 1 across various components.
Component PRs:
/cc @leecow @rbhanda @victorisr