Anthropic has officially released Claude Opus 4.8, a major upgrade to its flagship model designed to handle complex tasks, agentic coding, and high-autonomy professional workflows. The new version launches at the same price point as its predecessor and introduces novel features including effort level control on …

A human packaging error accidentally included nearly 60 megabytes of source map files in Claude Code version 2.1.88 via npm, exposing around 500,000 lines of original TypeScript code that included the AI’s internal prompts, orchestration logic, and a controversial “Undercover Mode”. Context On March 31, 2026, …