← Claude Code changelog

Claude Code 2.1.15

January 21, 2026

Added

Added deprecation notification for npm installations - run `claude install` or see https://docs.anthropic.com/en/docs/claude-code/getting-started for more options

Improved

Improved UI rendering performance with React Compiler

Fixed

Fixed the "Context left until auto-compact" warning not disappearing after running `/compact`
Fixed MCP stdio server timeout not killing child process, which could cause UI freezes