Mermaid.js Updates

Mermaid diagrams-as-code updates

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Last checked 12 Oct 2026, 21:05 GMT+2

Latest updates

Summary generated 10 Oct 2026.

Mermaid 12.0.0 shipped with ELK as the default layout engine, a new default appearance, and UML use case diagrams.
The ELK layout gained the elk.orientFeedbackEdges option to better route feedback edges within subgraphs.
The parser was upgraded to langium 4.4 and chevrotain 13, removing lodash-es from bundles.

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