# Postmortem

- [Three Bugs, Six Weeks, One Lesson: Anthropic's Claude Code Postmortem](https://sdd.sh/2026/05/three-bugs-six-weeks-one-lesson-anthropics-claude-code-postmortem.md): On April 23, Anthropic published an engineering postmortem admitting three overlapping changes caused weeks of Claude Code quality degradation. All three were caught by user complaints, not internal evals. The story matters less for what it says about three bugs than for what it reveals about the risks of depending on black-box AI infrastructure.