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A 10x Faster TypeScript
Embarking on a native port of the existing TypeScript compiler and toolset to achieve a 10x performance speed-up.
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Visit devblogs.microsoft.com → RSS feedOn Hacker News Mar 2019 – Nov 2026
Software Engineering 95Systems & Performance 57History & Retro Computing 41Programming Languages 31Tools & Productivity 15Society, Policy & Culture 9
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TypeScript 7
Today we are proud to announce the availability of TypeScript 7, a 10x faster native port of TypeScript! Since its early days, TypeScript has promised to
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.NET 10
Announcing the release of .NET 10, the most productive, modern, secure, intelligent, and performant release of .NET yet. With updates across ASP.NET Core, C# 14, .NET MAUI, Aspire, and so much more.
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TypeScript 5.0
Today we're excited to announce the release of TypeScript 5.0! This release brings many new features, while aiming to make TypeScript smaller, simpler,
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TypeScript 4.1
Today we're proud to release TypeScript 4.1! If you're unfamiliar with TypeScript, it's a language that builds on JavaScript by adding syntax for type
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Python in the Windows 10 May update
Python might be hard to install on Windows, but with the latest Windows 10 update, you can type "python" to find it in the Microsoft Store.
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TypeScript 3.6
Today we're happy to announce the availability of TypeScript 3.6! For those unfamiliar, TypeScript is a language that builds on JavaScript by adding
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TypeScript 3.5
Today we're happy to announce the availability of TypeScript 3.5! If you're new to TypeScript, it's a language that builds on JavaScript that adds
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Welcome to C# 9.0
Note: This post is out of date. Now that C# 9.0 has been released, an updated version can be found here. C# 9.0 is taking shape, and I’d like to share our thinking on some of the major features we’re adding to this next version of the language. With every new version of C# we […]
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On leading underscores and names reserved by the C and C++ languages
The rules laid out.
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Union types in C# 15
C# 15 introduces union types — declare a closed set of case types with implicit conversions and exhaustive pattern matching. Try unions in preview today and see the broader exhaustiveness roadmap.
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Ten Years of TypeScript
Today is TypeScript's birthday! But this birthday is a special one - 10 years ago today, on October 1st, 2012, TypeScript was unveiled publicly for the
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A new F# compiler feature: graph-based type-checking
Graph-based type-checking is a new F# compiler flag that allows the compiler to type-check files in a project in parallel whenever possible.
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.NET 7 is Available Today
.NET 7 is a major release that provides better performance and new features for C#, .NET MAUI, Web APIs, cloud native, and more. Free Download.
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TypeScript 3.4
Today we're happy to announce the availability of TypeScript 3.4! If you haven't yet used TypeScript, it's a language that builds on JavaScript that adds
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Announcing TypeScript 3.9
Today we're excited to announce the release of TypeScript 3.9! If you're unfamiliar with TypeScript, it's a language that builds on JavaScript by adding
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A Proposal for Type Syntax in JavaScript
Today we're excited to announce our support and collaboration on a new Stage 0 proposal to bring optional and erasable type syntax to JavaScript. Because
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C++ says “We have try... finally at home”
The destructor serves as the "finally".
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We used C++20 to eliminate a class of runtime bugs
C++20 is here and has been supported in MSVC since 16.11, but today's post is not about how you can use it, but rather how we used it to effectively
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.NET 7 introduces Native AOT
.NET 7 Preview 3 is now available with enhancements to observability, startup times, codegen, GC regions, native AOT compilation, and more.
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TypeScript 4.0
Today we are thrilled to announce the availability of TypeScript 4.0! This version of the language represents our next generation of TypeScript releases,
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F# 10
Learn about new F# 10 language features, performance upgrades, and tooling improvements shipping with .NET 10.
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C# 11 Preview Updates – Raw string literals, UTF-8 and more
C# 11 features are coming along nicely and the most recent release features all sorts of goodies including updates to string literals, pattern matching, checked user-defined operators, and an update on !!.
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TypeScript 3.7 Beta
We're pleased to announce TypeScript 3.7 Beta, a feature-complete version of TypeScript 3.7. Between now and the final release, we'll be fixing bugs and
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What's the point of std:monostate? You can't do anything with it
Not doing anything with it is exactly the point.
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C++17 creates a practical use of the backward array index operator
Possibly more than just a curiosity.
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TypeScript 6.0 RC
Today we are excited to announce the Release Candidate (RC) of TypeScript 6.0! To get started using the RC, you can get it through npm with the following
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Why is F# code robust and reliable?
F# is not just for math and big data, it's a general purpose language that will greatly reduce the amount of bugs in your code.
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Progress on TypeScript 7 – December 2025
Earlier this year, the TypeScript team announced that we've been porting the compiler and language service to native code to take advantage of better raw