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What's new in F# 10 #49649

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@abonie abonie commented Nov 6, 2025 •
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Copilot AI review requested due to automatic review settings November 6, 2025 16:02
@abonie abonie requested review from a team and BillWagner as code owners November 6, 2025 16:02
@dotnetrepoman dotnetrepoman bot added this to the November 2025 milestone Nov 6, 2025
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Pull Request Overview

This PR adds comprehensive documentation for F# 10 features. The document introduces new language features, library improvements, and tooling enhancements available in F# 10 that ships with .NET 10 and Visual Studio 2022.

Key changes:

  • New documentation file covering 11 major F# 10 features including scoped warning suppression, access modifiers on auto properties, ValueOption optional parameters, tail-call support in computation expressions, and parallel compilation.
  • Detailed examples with code snippets demonstrating before/after patterns for each feature.
  • Breaking changes and compatibility notes are clearly highlighted throughout.

gewarren
gewarren reviewed Nov 6, 2025
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@abonie abonie mentioned this pull request Nov 6, 2025
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@abonie abonie requested a review from T-Gro November 6, 2025 16:22
BillWagner
BillWagner reviewed Nov 6, 2025
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Thanks @abonie

This is a great draft. I had a couple comments to consider.

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abonie commented Nov 7, 2025

Thanks @abonie

This is a great draft. I had a couple comments to consider.

Thanks for the feedback! I have made some changes based on your comments @BillWagner

abonie
abonie commented Nov 7, 2025
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docs/fsharp/whats-new/fsharp-10.md
---
title: What's new in F# 10 - F# Guide
description: Get an overview of the new features available in F# 10.
ms.date: 11/11/2025
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@abonie abonie Nov 7, 2025

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@BillWagner @gewarren I have copy-pasted this metadata section from a previous article and I simply guessed that ms.date is preferred publication date, let me know if that's wrong

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