Marian Luparu (@mluparu) profile picture

Marian Luparu

@mluparu

Product Lead for C++, Rust, and Python developer tools @ CoreAI, Microsoft | Finicky AI tinkerer 🤖 | Opinions mine 📢

 Seattle, WA
mluparu.github.io/
Joined April 2016
  • Tweets2.3K
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  • Followers982
I’m starting something new. To kick things off, I wrote a short post on a completely uncontroversial take on AI: in 2026, nobody is building for chat anymore mluparu.github.io/blog/next-…
The next season of agents (Part 1) - Nobody’s building for chat anymore | Marian Luparu

The next season of agents (Part 1) - Nobody’s building for chat anymore | Marian Luparu

Having worked on bringing some form or another of C++ compilers into customers hands during my years at Microsoft, news of Anthropic writing a C compiler from scratch with AI attracted my attention...

mluparu.github.io
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Visual Studio (@VisualStudio) profile picture
Visual Studio
@VisualStudioOct 29
⚙️ MSVC 14.52 RC = a LOT happening below your C++. /std:c++23 ✅ More LTCG/inlining tricks 🔥 More x64 + ARM64 vectorization 🦾 C++23 feature-complete STL 📚 Faster ASan 🧪 Pop the hood 👇 msft.it/6010avtNr
A blue gradient background with a sunburst effect. The text 'MSVC Build Tools v14.52' is displayed on the left, followed by 'Release Candidate Now Available' in smaller font. Below is 'Read the C++ Blog.' The 'C++' logo is prominently featured.

ALT A blue gradient background with a sunburst effect. The text 'MSVC Build Tools v14.52' is displayed on the left, followed by 'Release Candidate Now Available' in smaller font. Below is 'Read the C++ Blog.' The 'C++' logo is prominently featured.

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Big news for Python devs in VS Code: Pylance now lets you pick your type checker. 🐍 Meet the Type Server Protocol (TSP), built with Meta so Pyrefly plugs straight into Pylance. Keep Copilot + IntelliSense, swap the engine. Check it out 👇
devblogs.microsoft.com/pytho…
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npm (@npmjs) profile picture
npm
@npmjsSep 28
Automate preparation, keep approval with a maintainer. npm’s stage-only granular access tokens let CI stage new versions, while publication requires maintainer approval with 2FA. Get started ⬇️ github.blog/changelog/2026-0…
Stage-only npm tokens for safer automation - GitHub Changelog

Stage-only npm tokens for safer automation - GitHub Changelog

You can now select Read and write (stage only) when creating an npm granular access token. This lets your automated workflows stage package versions for review without giving the token…

github.blog
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Sinem Akinci (@sinem__akinci) profile picture
Sinem Akinci@sinem__akinciSep 23
Working in a big C++ repo? Copilot CLI just got a lot better at finding its way around. devblogs.microsoft.com/cppbl… With Whole Codebase Indexing, it has a persistent semantic map of your codebase—so symbol and ref lookups are faster, powered by the Microsoft C++ language server.
Faster C++ code intelligence for Copilot CLI with Whole Codebase Indexing - C++ Team Blog

Faster C++ code intelligence for Copilot CLI with Whole Codebase Indexing - C++ Team Blog

C++ repositories can contain millions of lines of code spread across deeply connected source files and headers. Without a reusable index, navigating to

devblogs.microsoft.com
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npm (@npmjs) profile picture
npm
@npmjsSep 21
The latest updates on npm 🧵⬇️
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Visual C++ (@visualc) profile picture
Visual C++@visualcSep 14
Microsoft is at CppCon 2026 this week. Join sessions on AI-assisted C++ development, Visual Studio, VS Code, compiler optimization, safety, and more. Stop by our booth and take our survey! Or check out the talks on YouTube after. devblogs.microsoft.com/cppbl…
Microsoft at CppCon 2026 - C++ Team Blog

Microsoft at CppCon 2026 - C++ Team Blog

Microsoft will be at CppCon 2026 in Aurora, Colorado, which is taking place from September 14 through 18. Join us for talks from Microsoft speakers and

devblogs.microsoft.com
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Visual Studio (@VisualStudio) profile picture
Visual Studio
@VisualStudioAug 21
vcpkg July ’26 drop = 🔥 SBOM upgrades (PURLs + gitoids) → cleaner supply‑chain metadata. 302 updated ports, 16 new, 2,858 total. 🧩 Major bumps: grpc, gstreamer, sdl3, mujoco, mongo‑cxx‑driver. 🔧 👉 Read: buff.ly/icyqfAK
Announcement slide reading "What's New in vcpkg (Jul 2026)" with smaller text "Read the C++ Blog" on a pastel peach-to-purple gradient background and a large abstract circular logo on the right.

ALT Announcement slide reading "What's New in vcpkg (Jul 2026)" with smaller text "Read the C++ Blog" on a pastel peach-to-purple gradient background and a large abstract circular logo on the right.

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Visual Studio (@VisualStudio) profile picture
Visual Studio
@VisualStudioAug 14
🧩 Rust/C++ interop highlights: 🪛 C as the OG glue 🔧 bindgen/cbindgen 🧱 CXX (macro‑IDL) 🧬 Zengor (layout‑aware) 🚀 Kubit (full API lift) 🧠 Hard bits: relocatability, overloading, pinning 🛠️ Compilers matter a lot 👉 Watch: buff.ly/Rp3jdwk
Promotional slide for Pure Virtual C++ 2026 titled "Mind The Gap: Rust/C++ Interop," featuring speaker Victor Ciura (Technical Lead for Rust Program, Microsoft), his headshot and the Microsoft logo on a dark background.

ALT Promotional slide for Pure Virtual C++ 2026 titled "Mind The Gap: Rust/C++ Interop," featuring speaker Victor Ciura (Technical Lead for Rust Program, Microsoft), his headshot and the Microsoft logo on a dark background.

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npm (@npmjs) profile picture
npm
@npmjsAug 13
Coming next: bypass-2FA tokens will also lose direct publish (~Jan 2027). Move automated publishing to trusted publishing (OIDC) or staged publishing.
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Visual Studio (@VisualStudio) profile picture
Visual Studio
@VisualStudioAug 6
CMake Tools is a crucial part of the C++ workflow in VS Code. This Pure Virtual C++ session highlights performance improvements and other changes to improve the developer experience. We also showcase how these improvements support AI integrations for agentic workflows. Watch here ➡️ buff.ly/9B5h5iv
Banner announcing Pure Virtual C++ 2026 session "What's new in CMake Tools — AI‑powered development" featuring headshots of two Microsoft C++ engineers and the Microsoft logo.

ALT Banner announcing Pure Virtual C++ 2026 session "What's new in CMake Tools — AI‑powered development" featuring headshots of two Microsoft C++ engineers and the Microsoft logo.

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📝 The 2026 Python Type System & Tooling Survey is live! No typing experience needed, your perspective matters most. Take a couple minutes to help shape Python typing’s future. 👉 surveymonkey.com/r/python_ty… Built with Meta, JetBrains, Microsoft & the typing community 🐍
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Visual Studio (@VisualStudio) profile picture
Visual Studio
@VisualStudioAug 4
Get a matter-of-fact breakdown of where we are at on C++23 and C++26 features, both language and library. In this Pure Virtual C++ session replay, we demo new features in the IDE, and we'll be open about trade-offs and unfinished feature work. 🎥 buff.ly/Zpx3rwU
Event slide for Pure Virtual C++ 2026 titled "MSVC, are we there yet? Status of C++23 and C++26 features", featuring speaker RanDair Porter, Software Engineer at Microsoft, his circular portrait and the Microsoft logo on a dark branded background.

ALT Event slide for Pure Virtual C++ 2026 titled "MSVC, are we there yet? Status of C++23 and C++26 features", featuring speaker RanDair Porter, Software Engineer at Microsoft, his circular portrait and the Microsoft logo on a dark branded background.

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Marian Luparu retweeted
npm (@npmjs) profile picture
npm
@npmjsAug 4
npm is rotating write-scoped npm Granular Access Tokens that bypass 2FA as a precaution following a now-contained security incident. This doesn't affect GitHub personal access tokens. Maintainers should upgrade the npm CLI to v12+ and consider Trusted Publishing. docs.npmjs.com/trusted-publi…
Trusted publishing for npm packages | npm Docs

Trusted publishing for npm packages | npm Docs

Documentation for the npm registry, website, and command-line interface

docs.npmjs.com
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Visual Studio (@VisualStudio) profile picture
Visual Studio
@VisualStudioJul 29
July’s MSVC Build Tools Preview drops real goodies: • 🎯 Cleaner designated init + constexpr new[] in modules • 🚀 ARM64 NEON + APX x64 boosts • 🔧 Optimizer upgrades (strength reduction, LICM, reassociation) • 🛠️ Linker + PDB stability wins And a massive batch of bug fixes. 👉 buff.ly/WVuMlEj
Announcement: MSVC Build Tools preview updates — July 2026, C++ logo centered on a blue radiant background with the call-to-action "Read the C++ blog."

ALT Announcement: MSVC Build Tools preview updates — July 2026, C++ logo centered on a blue radiant background with the call-to-action "Read the C++ blog."

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npm (@npmjs) profile picture
npm
@npmjsJul 29
Strengthening npm supply-chain security: packages are now scanned for malware at publish time, before they can be installed. We're also introducing disclosure for legitimate dual-use tools so they aren't blocked by default. gh.io/npm-publish-time-scann…
npm publish-time malware scanning and dual-use metadata - GitHub Changelog

npm publish-time malware scanning and dual-use metadata - GitHub Changelog

As part of our ongoing supply-chain security work, npm is introducing automatic scanning of packages at publish time. This changelog covers what publishers can expect and a new metadata requirement…

github.blog
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Sinem Akinci (@sinem__akinci) profile picture
Sinem Akinci@sinem__akinciJul 21
What if your terminal understood C++ as well as your IDE? In my #PureVirtualCpp talk, I show how Copilot CLI brings semantic code intelligence - powered by the Microsoft C++ Language Server - to your command line. Watch it here 👇 youtube.com/watch?v=wAWxATnA…
C++ semantic awareness in the CLI: From Project Load to Code Change

C++ semantic awareness in the CLI: From Project Load to Code Change

🔗 Learn more: https://aka.ms/virtualcpp What if you could open a ...

youtube.com
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Visual C++ (@visualc) profile picture
Visual C++@visualcJul 22
Pure Virtual C++ 2026 is done and every session is now on YouTube! C++/Rust interop, AI-driven tooling, build performance, and more. The videos are linked here: devblogs.microsoft.com/cppbl…
Pure Virtual C++ 2026 Is a Wrap - C++ Team Blog

Pure Virtual C++ 2026 Is a Wrap - C++ Team Blog

Pure Virtual C++ 2026 is a wrap. Every featured and on-demand session is now available on YouTube — catch up on C++/Rust interop, AI-driven tooling, build performance, and more.

devblogs.microsoft.com
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Mads Kristensen (@madskristensen) profile picture
Mads Kristensen
@madskristensenJul 21
We're getting ready to kick off the Pure Virtual C++ conference. Join us in 30 minutes for lots of great content, demos, and news. ...and of course some Visual Studio love too :) See you there! youtube.com/watch?v=6t2mNymW…
Pure Virtual C++ 2026

Pure Virtual C++ 2026

The talks are set for Pure Virtual C++ 2026, our free, one-day virt...

youtube.com
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Visual C++ (@visualc) profile picture
Visual C++@visualcJul 20
C++ dependency setup, start to finish, without leaving the terminal: GitHub Copilot CLI writes the code, picks the libraries, installs vcpkg, and wires everything into a CMake build. From a Pure Virtual C++ 2026 session: devblogs.microsoft.com/cppbl…
C++ Dependencies Without the Headache: vcpkg + Copilot CLI - C++ Team Blog

C++ Dependencies Without the Headache: vcpkg + Copilot CLI - C++ Team Blog

At Pure Virtual C++ 2026, we build a C++ console app from an empty folder using CMake, MSVC, and GitHub Copilot CLI. This walkthrough shows a practical prompt sequence for dependency selection,...

devblogs.microsoft.com
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Visual C++ (@visualc) profile picture
Visual C++@visualcJul 21
Pure Virtual C++ 2026 streams live tomorrow, Tuesday July 21 at 16:00 UTC with five featured sessions + live Q&A on YouTube and Twitch. The full on-demand track (C++/Rust interop, SPGO, AI-native workflows, and more) is already available to watch now: devblogs.microsoft.com/cppbl…
Pure Virtual C++ 2026 Is Tomorrow and On-Demand Sessions Are Now Available - C++ Team Blog

Pure Virtual C++ 2026 Is Tomorrow and On-Demand Sessions Are Now Available - C++ Team Blog

The on-demand sessions for Pure Virtual C++ 2026 are available now on YouTube. Watch seven talks on SPGO, vcpkg + Copilot CLI, CMake Tools, PackageReference, MSVC upgrades, and C++23/26 status — then...

devblogs.microsoft.com
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