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Atlassian Mermaid Viewer version history - 3 versions

Atlassian Mermaid Viewer by Amit G.

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Atlassian Mermaid Viewer version history - 3 versions
  • Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.

  • Latest version

    Version 1.2.1.1

    Released Nov 2, 2026 - 1.65 MB
    Works with firefox 142.0 and later
    Changed
    - Mermaid is now bundled as its chunked ES module distribution instead of a single mermaid.min.js file. Each diagram type is a separate file loaded on demand, so no single file exceeds the 5 MB upload limit that blocked the Firefox (AMO) submission of 1.2.0. Rendering behavior is unchanged.
    - The first render of a diagram type may take slightly longer, because its chunk is loaded on demand. The browser caches it afterwards.

    Security
    - Mermaid is no longer exposed as a window.mermaid global in the host page. It is imported as a module by the extension's page script, so other scripts on the Confluence or Jira page can no longer reach it.

    Source code released under MIT License

    Download Firefox and get the extension
    Download file
  • Older versions

    Version 1.2.1

    Released Nov 2, 2026 - 1.65 MB
    Works with firefox 142.0 and later
    • Firefox compatibility - the chunk-based distribution avoids the compatibility issues encountered with Mermaid's original ES module bundle.

    • Upgraded the bundled Mermaid from v11 to v12.2.0.
    • Diagram type detection now matches the leading keyword as a whole word instead of a keyword followed by a space. A keyword alone on the first line (for example pie) is detected, suffix variants such as -beta and -elk need no separate entries, and prose that merely starts with a keyword prefix (for example graphite ...) is no longer mistaken for a diagram.
    • Support for the diagram types missing from the previous keyword list:
    • journey, quadrantChart, requirementDiagram, mindmap, timeline
    • C4Context, C4Container, C4Component, C4Dynamic, C4Deployment
    • sankey, xychart, block, packet, kanban, architecture, radar, treemap, treeView
    • wardley, cynefin, usecase, venn, swimlane, ishikawa, eventmodeling
    • railroad, in all four notations: railroad-ebnf-beta, railroad-abnf-beta, railroad-peg-beta and railroad-beta
    • Detection of diagrams that start with frontmatter (---), a %%{init}%% directive or a %% comment before the diagram keyword. Styled diagrams were never detected before.
    • Class diagram note text being clipped on the left, losing the first characters of each line, when the label was wider than its box (AMV-46).
    • A Mermaid error diagram (the bomb icon) being left at the bottom of the page for every diagram with a syntax error. The temporary element that Mermaid appends to the page is now removed, and only the inline error message is shown.
    • Diagram error messages are now rendered as plain text instead of HTML. The message embeds diagram source written by whoever edited the page, so rendering it as HTML allowed markup injection into the page context.

    Source code released under MIT License

    Download file
  • Version 1.1.0.1

    Released May 28, 2026 - 946.08 KB
    Works with firefox 142.0 and later
    Version bump to 1.1.0.1 to align with Chrome and Edge store submissions. No functional changes.

    Source code released under MIT License

    Download file
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