Use the matcher the editor uses, which treats an omitted project directory as
the repository root, decodes anchors, accepts the www host and resolves spaces
whose Git Sync was removed. Links to other hosts no longer scan every site
space, and paths that cannot be pages no longer read a revision.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Add `leaveAgentFeedback` and `leaveUserFeedback` assistant tools, reporting documentation findings to the site's team through the same path as the MCP `sendFeedback` tool, and record an `agent_feedback` insights event on both surfaces.
Automatically resolve GitHub and GitLab page links to matching pages in the same published site, including cross-space links imported before their target page was available.
Show the theme toggle in the footer whenever the outline column that hosts the other toggle isn't pinned open, so it stays reachable on laptop-sized screens in wide layouts and while the AI chat is open.
Give the prompt block a default "Copy prompt" action alongside "Open in Claude", "Open in Codex" and "Open in Cursor", and remember the visitor's last pick across every prompt block.
Fix the Docs Embed widget rendering with a dark surface when the visitor's OS is in dark mode, even on a light page or a site published with a light theme. The embed script now accepts `?theme=light|dark` to force a scheme.
Make the Docs Embed widget match the page it is embedded in rather than the visitor's OS: a widget on a light page stays light even when the visitor's system is in dark mode, and the widget's own chrome and the docs inside it always render in the same scheme. Sites published with a single theme impose it on the widget too, since they render in it regardless. The standalone script takes `?theme=light` on its URL, and calling `init` twice now updates the options instead of throwing.
Skip internal paths (`~gitbook/*`, `.well-known/oauth-protected-resource`, `llms.txt`, `robots.txt`, `sitemap.xml`, `rss.xml`) when building URL lookup alternatives, to avoid resolving URLs that can never match content.
Self-host default Google fonts and inline only the @font-face rules of the fonts a site uses, instead of shipping render-blocking stylesheets covering all 23 families on every page.
Lazy load the Scalar API client modal and stop preloading the Scalar runtime. The modal is now code-split into its own chunk, fetched in parallel with the runtime only when a reader clicks "Test it", and a spinner is shown on the button until the client opens.
Breaking: the package no longer ships the modal in its main entry — consumers must serve the emitted `ScalarApiModal` chunk and use a bundler that supports dynamic `import()`, and the Scalar runtime is no longer preloaded on page load. The internal `preloadScalarRuntime` helper is removed.
Stop preloading the zoom-modal variant of every zoomable image at render time; it downloaded each image twice during the initial page load. The modal image still loads on hover or click.
Fix the page-actions dropdown closing before the "Copied" confirmation could be shown when copying the MCP server URL, an MCP install command, or the page as Markdown.
Mermaid diagrams no longer hijack page scrolling: zooming with the wheel now requires holding Ctrl/Cmd inline, while the fullscreen view keeps free wheel zoom.
Keep the OpenAPI renderer out of the initial bundle of pages that have no OpenAPI block, by building its context on the client behind a dynamic boundary.
Move paragraph block styles behind a single `paragraph` class and drop the `page-cover-background:` gate from the cover-contrast text. The gate combined with the per-paragraph `:not(:has(...))` made every DOM insertion re-style all paragraphs, which froze very long pages.
Fix pages resolving to "not found" when a root URL lookup resolves to a custom homepage, by no longer using the homepage pathname as a prefix for the requested page path.
Inject site tracking scripts (analytics integrations) after `load` + idle instead of preloading them and executing them during the critical loading window.
Fix analytics and adaptive content silently breaking on sites served from a different host than the one configured (apex vs www, domain alias, CDN). The insights and visitor-claims endpoints are now requested relative to the page's own origin instead of the configured host, which a prerendered page cannot know.
Keep the traffic of GitBook's own preview deployments out of the sites' analytics, now that those requests reach the events endpoint.
Resolve stable page, space and file refs in images, definitions and HTML blocks of published markdown pages, instead of leaking internal `/pages/{id}`, `/spaces/{id}` and `/files/{id}` URLs.
Fail closed in `/~gitbook/revalidate` when `GITBOOK_SECRET` is not configured, returning `403 Revalidation is disabled` instead of skipping the signature check, consistent with `force-revalidate`.
Fix the docs embed not applying `?theme=light`/`?theme=dark`. The theme was dropped when the embed redirected to its default tab, and the embed tabs couldn't read it because they render statically (their request headers are empty). The middleware now threads a forced embed theme through the embed route context (scoped to the embed, not the main site), so the embed tabs honor it while staying statically rendered, and the redirect forwards it to the default tab. The forced theme is also persisted to the embed's own theme storage so it is remembered across tab navigation instead of only applying while the query string is present.
Fix code block syntax highlighting so comment delimiters (e.g. `//`, `/*`) use the same color as the rest of the comment. Previously the delimiter fell through to the generic punctuation scope, making it a different color from the comment body (most visible in dark mode).
Let ContentKit webframes dispatch the built-in `@ui.*` actions. Actions posted from a webframe were forwarded to the integration as a plain re-render instead of being handled, so `@ui.modal.open`, `@ui.modal.close` and `@ui.url.open` did nothing — most visibly, an integration could not close a modal from inside its own webframe.
Keep `null` values and class instances such as `Date` intact when resolving dynamic bindings in an action, instead of throwing or flattening them to `{}`.
Keep Shiki out of the initial page bundle by splitting the highlighter from the plain-text token helpers, so client code no longer pulls the engine and language bundles in through a shared import.
Fix chevrons and open-state styling incorrectly reacting to a tooltip opening on the same trigger, by switching from the shared Base UI `data-popup-open` attribute to `aria-expanded`.
Expose the site's MCP tools to browser agents through WebMCP when the MCP page action is enabled.
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