chore(deps): bump streamdown from 1.6.11 to 2.4.0

[dependabot]

Bumps streamdown from 1.6.11 to 2.4.0.

Release notes

Sourced from streamdown's releases.

streamdown@2.4.0

Minor Changes

• 5edff75: Clarified Tailwind @source configuration for Streamdown and optional plugins. Updated documentation to keep the global @source for core streamdown only, move plugin @source guidance to plugin docs with examples, and add a caveat to include plugin entries only if installed.

• 57cd3b5: Add support for custom starting line numbers in code blocks via the startLine meta option.

  Code blocks can now specify a starting line number in the meta string:

  ```js startLine=10
  const x = 1;
  ```

  This renders line numbers beginning at 10 instead of the default 1. The feature works by parsing the startLine=N value from the fenced-code meta string and applying counter-reset: line N-1 to the <code> element.

• 57cd3b5: Add support for customizing icons via the icons prop on <Streamdown>.

  Users can override any subset of the built-in icons (copy, download, zoom, etc.) by passing a Partial<IconMap>:

  import { Streamdown, type IconMap } from "streamdown";
  <Streamdown icons={{ CheckIcon: MyCheckIcon }}>{content}</Streamdown>;

  Unspecified icons fall back to defaults.

• 01d27e9: Add support for custom Shiki themes via a themes option on createCodePlugin, accepting a [light, dark] pair of bundled theme names or full theme registration objects.

• 2cf559d: Add a virtual inlineCode key to the components prop, allowing inline code spans to be styled independently from fenced code blocks without manually detecting block vs. inline context.

• 27c7b03: Export table action components (TableCopyDropdown, TableDownloadButton, TableDownloadDropdown) and utilities (extractTableDataFromElement, tableDataToCSV, tableDataToTSV, tableDataToMarkdown, escapeMarkdownTableCell, TableData), enabling custom table overrides to preserve copy/download interactivity.

• fb76275: Add a fullscreen overlay for tables with Escape/backdrop-click to close and scroll locking, controlled via controls.table.fullscreen. Copy and download controls remain available in the fullscreen view.

• b392fbe: Add literalTagContent prop that accepts an array of custom HTML tag names (e.g. ['mention']) whose children should be treated as plain text, escaping markdown metacharacters so user-supplied labels aren't interpreted as formatting.

• c4c86fa: Add a dir prop that accepts "ltr", "rtl", or "auto". When set to "auto", each block's text direction is detected by scanning for the first strong Unicode character (Arabic, Hebrew, Thaana, etc.).

• 00872f0: Add a prefix prop that prepends a namespace to all generated Tailwind utility classes (e.g. flex becomes tw:flex), enabling Tailwind v4's prefix() feature for projects that need to avoid class name collisions.

• 401b901: Add support for custom renderers via plugins.renderers, allowing fenced code blocks with specific languages to be rendered by a custom component instead of the default CodeBlock.

Patch Changes

• f398611: Add onAnimationStart and onAnimationEnd callback props that fire when streaming animation begins and completes, useful for coordinating UI state with the animation lifecycle.

... (truncated)

Changelog

Sourced from streamdown's changelog.

2.4.0

Minor Changes

• 5edff75: Clarified Tailwind @source configuration for Streamdown and optional plugins. Updated documentation to keep the global @source for core streamdown only, move plugin @source guidance to plugin docs with examples, and add a caveat to include plugin entries only if installed.

• 57cd3b5: Add support for custom starting line numbers in code blocks via the startLine meta option.

  Code blocks can now specify a starting line number in the meta string:

  ```js startLine=10
  const x = 1;
  ```

  This renders line numbers beginning at 10 instead of the default 1. The feature works by parsing the startLine=N value from the fenced-code meta string and applying counter-reset: line N-1 to the <code> element.

• 57cd3b5: Add support for customizing icons via the icons prop on <Streamdown>.

  Users can override any subset of the built-in icons (copy, download, zoom, etc.) by passing a Partial<IconMap>:

  import { Streamdown, type IconMap } from "streamdown";
  <Streamdown icons={{ CheckIcon: MyCheckIcon }}>{content}</Streamdown>;

  Unspecified icons fall back to defaults.

• 01d27e9: Add support for custom Shiki themes via a themes option on createCodePlugin, accepting a [light, dark] pair of bundled theme names or full theme registration objects.

• 2cf559d: Add a virtual inlineCode key to the components prop, allowing inline code spans to be styled independently from fenced code blocks without manually detecting block vs. inline context.

• 27c7b03: Export table action components (TableCopyDropdown, TableDownloadButton, TableDownloadDropdown) and utilities (extractTableDataFromElement, tableDataToCSV, tableDataToTSV, tableDataToMarkdown, escapeMarkdownTableCell, TableData), enabling custom table overrides to preserve copy/download interactivity.

• fb76275: Add a fullscreen overlay for tables with Escape/backdrop-click to close and scroll locking, controlled via controls.table.fullscreen. Copy and download controls remain available in the fullscreen view.

• b392fbe: Add literalTagContent prop that accepts an array of custom HTML tag names (e.g. ['mention']) whose children should be treated as plain text, escaping markdown metacharacters so user-supplied labels aren't interpreted as formatting.

• c4c86fa: Add a dir prop that accepts "ltr", "rtl", or "auto". When set to "auto", each block's text direction is detected by scanning for the first strong Unicode character (Arabic, Hebrew, Thaana, etc.).

• 00872f0: Add a prefix prop that prepends a namespace to all generated Tailwind utility classes (e.g. flex becomes tw:flex), enabling Tailwind v4's prefix() feature for projects that need to avoid class name collisions.

• 401b901: Add support for custom renderers via plugins.renderers, allowing fenced code blocks with specific languages to be rendered by a custom component instead of the default CodeBlock.

Patch Changes

• f398611: Add onAnimationStart and onAnimationEnd callback props that fire when streaming animation begins and completes, useful for coordinating UI state with the animation lifecycle.

• f2a7e51: Fix empty lines in syntax-highlighted code blocks collapsing into nothing by rendering a newline character for empty token rows, preserving whitespace when copying.

• 9ba8511: fix: prevent ordered list animation retrigger during streaming

  When streaming content contains multiple ordered (or unordered) lists, the Marked lexer merges them into a single block. As each new item appears the block is re-processed through the rehype pipeline, re-creating all data-sd-animate spans. This caused already-visible characters to re-run their CSS entry animation.

... (truncated)

Commits

• See full diff in compare view

Maintainer changes

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Project	Deployment	Actions	Updated (UTC)
tambo-landing	Ready	Preview, Comment	Mar 16, 2026 0:13am

[dependabot]

Superseded by #98.