Issues

• Treeview examples are hard to read in dark mode

  bug
  mermaid-js/mermaid-live-editor#2053 · Filter by author DanKaplanSES opened on Sep 28, 2026

• Broken linkфывыф

  bug
  mermaid-js/mermaid-live-editor#2038 · Filter by author mercedes1337 opened on Sep 18, 2026

• Empty comment lines break parsing

  bug
  mermaid-js/mermaid-live-editor#2036 · Filter by author fastfk opened on Sep 16, 2026

• Customer Journey

  mermaid-js/mermaid-live-editor#2028 · Filter by author Thuleemi opened on Sep 3, 2026

• Logos not working in architecture diagram

  mermaid-js/mermaid-live-editor#2026 · Filter by author skorphil opened on Aug 30, 2026

• Contrast issues in dark mode when rectangles with background colours are used

  bug
  mermaid-js/mermaid-live-editor#2024 · Filter by author Soviut opened on Aug 28, 2026
  1

• dotenv/config in svelte.config.js shadows Vite's .env.[mode] loader, silently dropping .env.production overrides

  mermaid-js/mermaid-live-editor#1962 · Filter by author IvanTheGeek opened on May 25, 2026

• Improve self-hosting docs

  mermaid-js/mermaid-live-editor#1945 · Filter by author fkromer opened on Apr 26, 2026
  1

• Treemap syntax error on trailing space

  bug
  mermaid-js/mermaid-live-editor#1936 · Filter by author johnblommers opened on Apr 19, 2026
  1

• What the actual fuck???

  bug
  mermaid-js/mermaid-live-editor#1933 · Filter by author BillionShields opened on Apr 8, 2026

• classDiagram classname has no bold style in preview and has clipped problem when generating png with theme

  bug
  mermaid-js/mermaid-live-editor#1932 · Filter by author imba-tjd opened on Apr 7, 2026

• Text editing causes lag maybe due to frequent diagram regeneration

  mermaid-js/mermaid-live-editor#1892 · Filter by author krabhi1 opened on Feb 23, 2026

• Nested composite states render incorrectly when wrapped inside another state in stateDiagram-v2

  bug
  mermaid-js/mermaid-live-editor#1852 · Filter by author ronald0samuel opened on Nov 27, 2025

• Editor does not start in Firefox

  bug
  mermaid-js/mermaid-live-editor#1848 · Filter by author strowk opened on Nov 15, 2025
  3

• PNG export from light theme always appears as dark theme (Gantt chart)

  bug
  mermaid-js/mermaid-live-editor#1800 · Filter by author chinyaolin opened on Sep 8, 2025
  3

• Update plausible tracker

  mermaid-js/mermaid-live-editor#1741 · Filter by author vitonsky opened on Jun 14, 2025

• Stacking blocks renders unexpected space

  bug
  mermaid-js/mermaid-live-editor#1734 · Filter by author MoeJD opened on Jun 6, 2025
  1

• Malformed mermaid diagram results in incorrect chart

  bug
  mermaid-js/mermaid-live-editor#1664 · Filter by author rccarlson opened on Apr 1, 2025

• Code editor: accented characters have the wrong color

  buggood first issue
  mermaid-js/mermaid-live-editor#1657 · Filter by author gy-mate opened on Mar 27, 2025

• Problems with rendering of Flowchart

  bug
  mermaid-js/mermaid-live-editor#1588 · Filter by author timonkrebs opened on Dec 30, 2024

• Deactivation arrow in sequence diagram is getting error when participant has first letter x

  bug
  mermaid-js/mermaid-live-editor#1586 · Filter by author andreas-ajaib opened on Dec 18, 2024

• Issue with elk layout : rendered correctly in live editor but tricky to export

  bug
  mermaid-js/mermaid-live-editor#1582 · Filter by author Sulray opened on Nov 22, 2024

• gitGraph switch expression is not syntax highlighted

  bug
  mermaid-js/mermaid-live-editor#1569 · Filter by author jaschop-1k5o opened on Nov 6, 2024

• Architecure icons not working

  bug
  mermaid-js/mermaid-live-editor#1566 · Filter by author j0hnsmith opened on Oct 31, 2024
  1

• Delayed update of the graph

  enhancement
  mermaid-js/mermaid-live-editor#1558 · Filter by author martin-insulander-hiq opened on Oct 16, 2024