v0.21.0

• Can now rename parameters and producers
• Can now add descriptions to parameters in UI
• Can now add descriptions to struct nodes, automagically presented in Node info
• New "New" graph command
• Artifacts refactor
• Import node types refactor into packages.
• Bug Fixes
  • Swagger
  • Node UI
  • Duplicate Node IDs

Full Changelog: v0.20.0...v0.21.0