Anthropic shipped two patch releases of Claude Code in a 24-hour window. The anthropics/claude-code issue tracker recorded 30+ regression reports on the same day. This Gist summarises the eight that will actively break a working session, with issue numbers, reproductions, and workarounds.
All issues are open at the time of writing (2026-04-25 JST). The shortest possible mitigation is pin to v2.1.117 and disable auto-update until Anthropic ships fixes.
npm uninstall -g @anthropic-ai/claude-code
npm install -g @anthropic-ai/claude-code@2.1.117
# Add to ~/.npmrc to prevent silent upgrade: