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@devin-ai-integration devin-ai-integration bot commented Nov 9, 2025

docs: add theme configuration documentation and update Fern CLI

Summary

Added documentation for the theme configuration property in docs.yml, which controls the visual styling of documentation elements. This PR documents two theme properties that are currently implemented:

  • theme.page-actions: Controls page action button styling (default vs toolbar)
  • theme.footer-nav: Controls footer navigation styling (default vs minimal)

The PR also updates the Fern CLI version to 0.113.1 and applies the toolbar theme to the Fern docs site itself.

Note: Other theme properties (sidebar, body, tabs) exist in the schema but were intentionally excluded from documentation as they are not properly implemented yet.

Review & Testing Checklist for Human

  • Verify theme options work correctly: Test both theme.page-actions (default vs toolbar) and theme.footer-nav (default vs minimal) on the preview deployment to confirm they produce the expected visual changes
  • Review root docs.yml change: The PR adds theme.page-actions: toolbar to the root docs.yml, which will change the appearance of page actions on buildwithfern.com/learn. Verify this looks good on the preview deployment
  • Confirm documentation accuracy: Review the descriptions for each theme option to ensure they accurately describe what users will see. The footer-nav option is newly implemented, so extra scrutiny is warranted
  • Check for missing theme options: Verify that no other theme properties should be documented at this time (sidebar, body, and tabs were intentionally excluded as not properly implemented)

Test Plan

  1. View the preview deployment and navigate to the theme configuration section
  2. Test the documented theme options in a test docs.yml file:
    theme:
      page-actions: toolbar  # vs default
      footer-nav: minimal    # vs default
  3. Verify the visual differences match the documentation descriptions

Notes

Add documentation for the theme configuration options in docs.yml,
including theme.page-actions, theme.sidebar, theme.body, and theme.tabs.
This addresses the missing documentation for theme.page-actions that
controls the visual style of page action buttons (default vs toolbar).

Co-Authored-By: Kapil Gowru <[email protected]>
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github-actions bot commented Nov 9, 2025

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…ter-nav

- Add footer-nav theme option (default vs minimal)
- Remove sidebar, body, and tabs theme options (not properly implemented yet)
- Update Fern CLI version to 0.113.1
- Update documentation in site-level-settings.mdx (renamed from what-is-docs-yml.mdx)

Co-Authored-By: Kapil Gowru <[email protected]>
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3 participants