Programming & dev tools

Every day we read hundreds of stories. Only the most important ones are here — short, in our own words, with a link to the original source.

1. Artificial intelligence · New AI models · Open source · Programming & dev tools

   Mistral releases open weights for Mistral Large 4

   Mistral Large 4 (Le Chonk) is a 1T parameter multimodal model. Mistral calls it the best open-weight model for coding, trained in Europe.

   Full story at Mistral AI ↗
2. Cybersecurity · Programming & dev tools

   HTTP2Shell reaches beyond Node.js

   CVE-2026-111497 is tied to Brotli decompression. Defenders need to find vulnerable implementations, check whether untrusted compressed data can reach them, and patch the affected component.

   Full story at blog.checkpoint.com ↗
3. Artificial intelligence · Programming & dev tools · Enterprise software

   Microsoft unveils a Copilot harness for multi-model agents

   Microsoft introduces the Microsoft Copilot harness, built by the GitHub engineering team and adopted company-wide. It powers Copilot Code, Copilot Studio, the GitHub Copilot app, the CLI and VS Code.

   Full story at blogs.microsoft.com ↗
4. Programming & dev tools · DevOps & containers · Artificial intelligence

   GitHub outlines its vision at Universe 2026

   At GitHub Universe, GitHub presented its vision as the most comprehensive software delivery system. It introduced products and said it is rebuilding the underlying infrastructure, focusing on completed work rather than more code.

   Full story at github.blog ↗
5. Programming & dev tools · Open source

   GitHub Octoverse reports record code pushes

   Developers pushed code to GitHub 17.9 billion times in the past 12 months, more than in 2024 and 2025 combined. The report cites projects such as Gati in Nepal.

   Full story at github.blog ↗

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