Overview
If you are using Jira Data Center or Jira Server, please see this page.
This is the only add-on for rendering Mermaid UML diagrams inside Jira Cloud. Mermaid (https://mermaid-js.github.io/mermaid/#/) allows you to define UML diagrams in plain-text format just like Markdown. Support multiple types of charts and diagrams:
Graphviz
Flowchart
Sequence diagram
Class diagram
State diagram
User Journey
Gantt chart
Pie chart
You can install the app by following the instructions at Atlassian Marketplace.

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