Anthropic Claude Code v2.1.269 adds plugin eval suite and output styles
Anthropic released Claude Code v2.1.269, adding `claude plugin eval` for scored, reproducible plugin eval suites with JSON and HTML reports, plus `/output-style [name]` to list and switch output styles across Remote Control and headless sessions. It also adds OpenTelemetry repository tagging, a configurable gateway model-discovery timeout, and a Workflow concurrency limit up to 256 agents.
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