Disabling JavaScript just-in-time (JIT) compilation optimizations in web browsers reduces the risk of zero-day exploits ...

A zero-day vulnerability in Chromium-based browsers, identified as CVE-2025-10585, allows active exploitation through the V8 ...

Say goodbye to source maps and compilation delays. By treating types as whitespace, modern runtimes are unlocking a “no-build” TypeScript that keeps stack traces accurate and workflows clean.

Note: jsrun is under development. Expect breaking changes between minor versions. One of the most compelling use cases for jsrun is building safe execution environments for AI agents. When LLMs ...