Claude Code v2.1.269 adds plugin eval, higher concurrent agent limit
ashwin-ant · ghdev · 2026-09-12
Anthropic ships Claude Code v2.1.269:
- New claude plugin eval runs a plugin's eval suite against Claude Code with reproducible JSON + HTML reports
- New /output-style command to list/switch output styles, including over Remote Control and headless sessions
- CLAUDECODEWORKFLOWMAXCONCURRENTAGENTS (1–256) raises per-run concurrent agent limits for inference-bound fan-outs
- Bash tool can show a diff of files it changed when handling edits
- OTELMETRICSINCLUDEREPOSITORY tags OpenTelemetry metrics with vcs. attributes
- Prompt cache fixes: partial invalidation after truncated-and-resumed responses, and context re-send changes after interrupting mid-thought
- Terminal compatibility regressions fixed (kitty, st, rxvt, WezTerm) plus UI rendering fixes
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