Lean FRO released Lean v4.33.1 on August 21 with fixes for soundness bugs found during a kernel bug hunt using OpenAI internal models, including two runtime exploits that could prove False. The collab…
Lean's kernel had a soundness bug that allowed a proof of False, exploited by an AI-assisted disproof of the Collatz conjecture; the bug was fixed within an hour of the report. The Lean development te…
The Lean Theorem Prover, an open-source proof assistant and programming language, has reached 280,000+ formalized theorems and 2.4M+ lines of code with 750+ contributors as of July 2026, according to …
Code Metal raised $125 million to rewrite defense industry code using AI, while Google and Microsoft report that 25–30% of their new code is now AI-generated. Anthropic built a 100,000-line C compiler…