Sequence Diagram

Sequence Diagram makes it incredibly easy to create UML 2.0 style sequence diagrams, using nothing more than plain text (and a sprinkling of emoji).

Features

• Participants
• Signals
• Interaction frames
• Found signals
• Lost signals
• Multiple signal-arrow line styles
• Multiple signal-arrowhead styles
• Export PDF
• Export PNG
• Syntax highlighting in diagram text editor
• Error highlighting

• Adds a separate style element (titleTextColor) to allow customisation of the document title
• Now draws interaction frame labels in accordance with UML 2.0
• Adds light and dark mode colour styles to the example document
• Removes custom dark mode in favour of system level dark mode - (macOS Mojave - 10.14)
• Now supports macOS 10.11+ (sans dark mode)
• Adds the ability to use the default colours, when exporting as an SVG

Other recent enhancements

• Uses slightly more compact vertical spacing between signals.
• Fixes a defect where canvasBgColor was not being honoured.
• Fixes an issue where participant aliases could not start with "as"
• Adds the ability for notes to span multiple participants (note over a,b)
• Adds support for object destruction using the "destroy" keyword
• Adds support for Mermaid syntax object lifeline activation/deactivation (+/-)
• Improves context awareness of auto-completion suggestions
• Adds automatic indentation preservation
• You can now toggle the insertion/removal of comments over multiple lines
• You can add/remove indentation to multiple-lines at once