AI BriefingStreamdown 2.3 — Design Overhaul and Interactive Playground Introduced
Key point
Streamdown 2.3 strengthens design consistency and introduces an interactive playground for real-time testing.
Details
Streamdown 2.3 applies a unified nested card design to tables, code blocks, and Mermaid diagrams, enhancing design consistency. Action buttons stay fixed while scrolling, and code blocks now render text instantly before syntax highlighting loads, reducing perceived latency.
The new interactive playground supports real-time execution through custom Markdown and editable props. This allows users to quickly experiment with configuration changes without running a local project.
Key updates include:
- Code block detection during streaming via the
useIsCodeFenceIncompletehook - Support for copying tables as Markdown
- Added an HTML indentation normalization attribute
- Improved image rendering error handling and restructured documentation
This release also resolves existing bugs including nested HTML block parsing, custom tag handling, Mermaid diagram errors, and Shiki syntax engine mismatches.
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