Mermaid 6 - ((free))

class Dog +bark()

This single change made diagrams self-contained and portable across different platforms (GitLab, GitHub, Notion, etc.). mermaid 6

If you are referring to the diagramming tool , "6" often relates to historical versioning or a specific configuration step. class Dog +bark() This single change made diagrams

Have questions about migrating from Mermaid 6 to a newer version? Need help troubleshooting a legacy diagram? Leave a comment below or join the official Mermaid Discord community. Need help troubleshooting a legacy diagram

While Mermaid had basic class diagram support earlier, version 6 brought UML-class diagram support to a professional grade. It added generic types, interfaces, annotations, and visibility markers (public + , private - , protected # ).

The "Mermaid" designation for ROVs typically refers to compact, rugged, and highly maneuverable robots used by offshore industries, police forces, and scientific researchers. These are not the massive, industrial work-class ROVs seen in deep-sea oil drilling, but rather agile "eyes in the water."