CLAUDE LABJP
2.1.269 — A broad release with 98 CLI changes. The one worth your attention is claude plugin eval, which finally lets you measure whether a plugin earns its placeEVAL — Every case runs three times with the plugin loaded and three times without, so the number you get back is the difference the plugin makes, not just a pass or a failGRADER — Three kinds of grader are available: a regex over the reply, a check for whether a particular tool was called, and a rubric judged by a second modelDIFF — The Bash tool result now includes a diff of the files a command changed. Turn it on with bashEditDiffEnabledSTYLE — /output-style [name] lists and switches output styles, including over Remote Control and in cloud or headless sessionsOTEL — OTEL_METRICS_INCLUDE_REPOSITORY tags metrics and events with vcs. repository attributes, and commit events carry vcs.ref.head2.1.269 — A broad release with 98 CLI changes. The one worth your attention is claude plugin eval, which finally lets you measure whether a plugin earns its placeEVAL — Every case runs three times with the plugin loaded and three times without, so the number you get back is the difference the plugin makes, not just a pass or a failGRADER — Three kinds of grader are available: a regex over the reply, a check for whether a particular tool was called, and a rubric judged by a second modelDIFF — The Bash tool result now includes a diff of the files a command changed. Turn it on with bashEditDiffEnabledSTYLE — /output-style [name] lists and switches output styles, including over Remote Control and in cloud or headless sessionsOTEL — OTEL_METRICS_INCLUDE_REPOSITORY tags metrics and events with vcs. repository attributes, and commit events carry vcs.ref.head
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Claude AI/2026-04-26Intermediate

Supercharge Your Research with Claude AI: From Information Gathering to Polished Reports

Learn how to use Claude AI across every stage of a research workflow — collecting information, organizing findings, and generating structured reports. Practical guide with working code examples.