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* Publish the C# 9 alpha branch Start the process of publishing the early alpha drafts in favor of the current committee working draft. * fix branch name. * Fix build warnings New version means lots of new clauses. * Add items to TOC Add clause number to the TOC. * Fix spec links * Replace links Replace all links to the C# 9 feature specs with the corresponding location in the C# 9 alpha draft of the C# standard.
* Async troubleshooting and pitfalls Create `common-async-bugs.md` — from "Psychic Debugging of Async Methods." Covers the 4 most common bugs: method runs synchronously despite `async`, can't await `void`, deadlocks with `SynchronizationContext`, `Task<Task>` unwrapping. Also incorporate mentions of UI deadlocks (from "Await and UI and deadlocks") and static constructor deadlocks as warning notes. 1. Create `async-lambda-pitfalls.md` — from "Potential pitfalls to avoid when passing around async lambdas." Covers: async lambdas assigned to `Action` delegates (becomes async void), `Parallel.ForEach` with async lambdas, `Task.Factory.StartNew` returning `Task<Task>`. 1. Decompose relevant Async/Await FAQ content into both articles (FAQ answers about async void, `Task.Wait` vs `await`, the `async` keyword not forcing asynchrony). 1. Add both to TOC. Consider grouping under a new "Best practices and troubleshooting" sub-section. * Proofread and update Do a full edit pass and update. * Apply suggestions from code review Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Update docs/standard/asynchronous-programming-patterns/async-lambda-pitfalls.md Co-authored-by: Genevieve Warren <24882762+gewarren@users.noreply.github.com> * format table. --------- Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> Co-authored-by: Genevieve Warren <24882762+gewarren@users.noreply.github.com>
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* 4B .NET Framework release notes DO NOT MERGE until 4/14 at 10am Redmond time. * Change release date to April 14, 2026 Updated the release date for the .NET Framework release notes. * Fix markdown formatting in April cumulative update notes Updated markdown formatting for release notes to use asterisks instead of underscores for emphasis.
* Update GitHub Copilot modernization docs with latest features - Update overview.md with 8 scenarios, VB support, new project types, four-phase workflow, upgrade strategies, flow modes, state management - Update install.md with correct VS Code extension name, VB support - Update faq.yml with new scenarios, version matrix, new Q&As - Update how-to-upgrade with upgrade options phase, flow modes - Create concepts.md covering scenarios, skills, tasks, workflow, state management, flow modes, and resumability - Create scenarios-and-skills.md with full reference of 8 scenarios and 30+ built-in migration skills organized by domain - Create best-practices.md with preparation, collaboration, pitfalls, recovery, security, and performance guidance - Create troubleshooting.md covering workflow, build, Git, performance, and customization issues - Update toc.yml and index.yml with new articles Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Add customization and working-with-agent articles - Create customization.md covering custom skills, custom scenarios, scenario artifact editing, chat customization, source control/branching, and skill loading priority with real-world examples - Create working-with-agent.md covering collaboration patterns, teaching preferences/corrections, flow modes, mid-session corrections, multi-session workflows, reviewing work, and quick reference phrase table - Update toc.yml and index.yml with both new articles - Update output.md with fact-check entries for both articles Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Fix scenarios-and-skills.md per review feedback - Shorten title for SEO compliance - Add periods to all scenario table 'What it does' rows - Fix 'end to end' to 'end-to-end' - Replace em-dashes with colons in section headings - Add CoreWCF GitHub link Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Change from four-phase to three-phase workflow Remove assessment as a numbered phase. Assessment is now described as a preliminary step the agent performs before the three phases (upgrade options, planning, execution) begin. Updated across all 6 affected files: overview.md, concepts.md, how-to-upgrade-with-github-copilot.md, best-practices.md, troubleshooting.md, and working-with-agent.md. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Add intro text between consecutive H2/H3 headings Add brief introductory paragraphs between H2 and H3 headings in best-practices.md (5 instances) and troubleshooting.md (4 instances) to comply with docs style requirement that consecutive headings must have content between them. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Apply best-practices.md review feedback - Add guidance to initialize a local Git repo for non-Git projects, with benefits list and example commands - Add note about editing plan.md directly with CAUTION about contradictory instructions - Add 'or stop the session manually' to agent-stuck-in-loop section Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Edit pass * Remove file * Apply suggestions from code review Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Some feedback * Editing * Another editing pass * Review comments * Feedback * Fix VSCode's bad GitHub integration... * Change type to reference --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* Initial plan * Update What's new articles for .NET 11 Preview 3 - Updated all 4 What's new articles for .NET 11 to Preview 3 - Updated ms.date to 04/14/2026 in all files - runtime.md: simplified Runtime Async opt-in (no EnablePreviewFeatures needed), added NativeAOT/R2R support, added JIT switch folding and uint-float cast improvements, added WebAssembly section - libraries.md: added System.Text.Json naming/ignore enhancements, Zstandard in System.IO.Compression, ZIP CRC32 validation, SafeFileHandle pipe support, RandomAccess pipe support, Regex AnyNewLine option - sdk.md: added solution filter CLI support, file-based app #:include, dotnet run -e, dotnet watch improvements, other CLI improvements - overview.md: updated summaries to reflect Preview 3 features, added union types to C# 15 list - Updated Libraries.cs snippet with new code samples for Preview 3 features - Updated Runtime.cs snippet to remove EnablePreviewFeatures comment Agent-Logs-Url: https://github.com/dotnet/docs/sessions/b44af3f0-172c-4e4f-bb38-d79eed5ce99c Co-authored-by: BillWagner <493969+BillWagner@users.noreply.github.com> * Apply suggestions from code review Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Fix snippet parameter name It should be `asyncRead` and `asyncWrite`, not `asyncReads` and `asyncWrites`. --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: BillWagner <493969+BillWagner@users.noreply.github.com> Co-authored-by: Bill Wagner <wiwagn@microsoft.com> Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
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Please don't squash-merge this PR.
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