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Version 4.4.0 - Skills, SysML Import & Richer Engineering Artifacts

This release adds agent skills, SysML v2 import, richer documents and slides, improved relationship tooling, and many modeling workflow refinements.

Agent Skills

  • Added skill injection so the agent can apply specialized instructions to the current task
  • Added skill-related tab icons and UI affordances
  • Improved plan and review saving
  • Improved context handling for agent workflows
  • Added support for newer Claude model options, including Opus 4.8 and Sonnet 4.6 defaults

SysML & Modeling Interoperability

  • Reworked relationship updates so single-direction relationships are not deleted unexpectedly
  • Fixed relationship deduplication in block and thread views
  • Improved add-relationship UI readability
  • Updated search to include dot-notation matches and filter correctly when object types are disabled or hidden
  • Added tag exploration and general tag search improvements

Documents, Markdown & Slides

  • Added a markdown viewer and improved markdown editor focus and tabs for documents
  • Added math block support
  • Improved document tools with templates and block updates
  • Added audio and video elements to slides with media editing controls
  • Improved slide generation, undo behavior, table editing, and presentation backgrounds

Reliability & UI Polish

  • Improved conflict and diff rendering between history and chat
  • Fixed risk updates being overwritten on project load
  • Improved table, matrix, behavior simulation, and zoom controls
  • Enabled promo code support