Full-stack Software Engineer @MistralAI • TypeScript, React, Node.js, Nest ♥️ • Craftsmanship, Quality by construction 🏗️ • Agentic Products & AI systems.

France
Joined September 2010
We can finally talk about it: We found a way to extract hidden reasoning of frontier models using a vulnerability in the APIs of every frontier AI company. We verified that our reasoning token count matches billed API thinking tokens 1:1 for most of the prompts we queried.
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TypeScript 6.0 is now available! This release brings better type-checking for methods, new standard library features, new module features for Node.js, and more! But most important, this release brings us one step closer to the upcoming native-speed 7.0! devblogs.microsoft.com/types…
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It’s happening. Yarn 6 Preview is here 💫 Yes, we rewrote it in Rust 🦀⚡️ I'm incredibly excited for the future of our beloved package manager. See the benchmarks and plans in our latest post: yarn6.netlify.app/blog/2026-…
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Put together some notes on Mistral Vibe, Mistral's new CLI coding agent (think Claude Code / OpenAI Codex) which is Apache 2 licensed, written in Python+Pydantic+Textual and has a neat set of system and tool definition prompts that are fun to read simonwillison.net/2025/Dec/9…
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Introducing the Devstral 2 coding model family. Two sizes, both open source. Also, meet Mistral Vibe, a native CLI, enabling end-to-end automation. 🧵
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Want to hear about our refactoring adventures? We put together a nice short write-up (just 6,000 words) about our journey in modernizing the TypeScript codebase, and our migration to modules! devblogs.microsoft.com/types…
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Our Release Candidate for TypeScript 5.0 is out now! Try our new decorators, better modes for modules in Node & bundlers, new inference tools for library authors, new JSDoc tags, and some nice speedups! Help us shape the 5.0 release to be perfect! devblogs.microsoft.com/types…
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TypeScript 4.8 is here! Now with ✅ Improved narrowing and inference ✅ Primitive-parsing from template string types ✅ --incremental/--watch perf improvements ✅ Lots of new correctness checks and more! Read up and get it now! devblogs.microsoft.com/types…
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TypeScript 4.5 is now available! Read up on what's new including - Promise Improvements with the Awaited Type - lib Overrides in node_modules - New JSDoc Constructs - Snippet Completions devblogs.microsoft.com/types…
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TypeScript 4.4 is here! Now with ✔ Smarter Control Flow Analysis ✔ Symbol & Pattern Indexers ✔ Stricter Checks ✔ Speed Improvements ✔ Inlay Hints ✔ Revamped --help and more! Read up more on our blog! devblogs.microsoft.com/types…
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TypeScript 4.4 Beta is ready to try! We want your feedback on our new analyses, strictness flags, symbol/pattern indexers, --help menu revamp, perf improvements, and more, so read up on what's new and give it a shot! devblogs.microsoft.com/types…
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TypeScript 4.3 is now available! Check out - Different get/set Types - Smarter Narrowing - 'override' Checks - #⁠private Elements - Smarter/Faster '--incremental' and '--watch' - Auto-Import Improvements - JSDoc '@⁠link' Tags and more! Try it today! devblogs.microsoft.com/types…
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"Hosting SQLite databases on Github Pages" is absolutely brilliant: it adds a virtual filesystem to SQLite-compiled-to-WebAssembly in order to fetch pages from the database using HTTP range requests phiresky.github.io/blog/2021…
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