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Nearest release: v2.1.250, published under an hour before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
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14 Aug 2026
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Recorded edits45to this page, all time
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637637 oneLiner: 'Custom system-prompt sections that adjust how Claude works',
638638 when: 'Applied at session start when selected via the outputStyle setting',
639639 description: [<>Each markdown file defines an output style: a section appended to the system prompt that, by default, also drops the built-in software-engineering task instructions. Use this to adapt Claude Code for uses beyond coding, or to add teaching or review modes.</>, <>Select a built-in or custom style with <C>/config</C> or the <C>outputStyle</C> key in settings. Styles here are available in every project; project-level styles with the same name take precedence.</>],
640 tips: ['Built-in styles Explanatory and Learning are included with Claude Code; custom styles go here', <>Set <C>keep-coding-instructions: true</C> in frontmatter to keep the default task instructions alongside your additions</>, 'Changes take effect on the next session since the system prompt is fixed at startup for caching'],
640 tips: ['Built-in styles Default, Proactive, Concise, Explanatory, and Learning are included with Claude Code; custom styles go here', <>Set <C>keep-coding-instructions: true</C> in frontmatter to keep the default task instructions alongside your additions</>, 'Changes take effect on the next session since the system prompt is fixed at startup for caching'],
641641 docsLink: '/en/output-styles',
642642 children: [{
643643 id: 'output-style-example',
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