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

• Improves support for observing changes to the file, when edited externally
• Improves support for CJK(V) character sets
• Default save location is now the same as the source file's location
• Fixes a defect where syntax colouring could be lost, in large documents 
• Performance improvements when working with large documents.
• Now remembers your Auto-Complete, Auto-Signal Numbering and Line Numbers preferences
• Improves element grouping in SVG export
• Adds support for dragging Diagram Canvas
• Resolves a defect that meant Participant Boxes would not be aligned - Thanks Klause B.
• Adds support for Participant Boxes, using the "box" keyword
• Improves support for mixed Latin, Hiragana, Katakana and Kanji Japanese syllabaries
• Now remembers when the Diagram Text Editor font is changed.

Other recent enhancements

• Fixes a defect where PDF and PNG exports would lose their background colour
• Now hides the application’s tool bar, by default.
• Fixes a defect where SVG export used the wrong system colours, if changed after app launch
• Fixes a defect where the titleTextColor was omitted from SVG exports 
• Adds support for shifting selected lines up and down