streamdown@1.5.0

vercel/streamdownstreamdown@1.5.0Nov 16, 2025

AI Summary

This release adds several notable features including a fullscreen view button for Mermaid diagrams, block-level customization hooks, and TSV copy support for tables. It also improves CJK language support and optimizes Katex CSS loading. The release includes various bug fixes and stability improvements.

Key Highlights

Add fullscreen view button for Mermaid diagrams
Export parseIncompleteMarkdown function to public API
Add block-level customization hooks
Improved CJK support with remark-cjk-friendly and remark-cjk-friendly-gfm-strikethrough
Dynamically load katex.min.css only when rehypeKatex is included

New Features

Fullscreen view button for Mermaid diagrams
Export parseIncompleteMarkdown function to public API
Block-level customization hooks
TSV copy support for tables
Improved CJK support
Dynamic loading of katex.min.css

Full Release Notes

### Minor Changes

-   5c4ad8b: Add fullscreen view button for Mermaid diagrams
-   2ebd886: Fix performance issues with large code streaming blocks

### Patch Changes

-   f7568e5: Export parseIncompleteMarkdown function to public API
-   5363a51: Stabilize Streamdown contexts
-   f941fd6: Improved CJK support with remark-cjk-friendly and remark-cjk-friendly-gfm-strikethrough
-   f4c9c1e: Add block-level customization hooks
-   171a824: fix base64 images
-   e17bf80: fix: add `overflow-hidden` to `TableDownloadDropdown`
-   ed0154a: Add TSV copy support to tables
-   75e9d40: Add documentation
-   75e9d40: Fix linting and formatting issues
-   7041497: Fix in-word asterisks
-   fbdec4d: fix: add `border-border` to code block
-   75e9d40: Document styling
-   8a3fc5a: Dynamically load `katex.min.css` only when `rehypeKatex` is included in the `rehypePlugins`