What’s new in
Moon Modeler version 12 & 12.5

This page was updated on March 29th

Moon Modeler and performance improvements

Performance Improvements

We have implemented a number of changes to improve the application’s performance. We updated the application’s core, optimized the execution of bulk actions, and adjusted caching and rendering. All of these changes result in significant improvements, which are most noticeable when working with large models or, for example, editing multiple objects at once.

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UI/UX Enhancements

  • We’ve improved how Copy/Paste operations work. You now have access to the standard Paste option, as well as Paste with autolayout, Paste here, and Paste here with autolayout via the context menu. This gives you more control over how objects are placed and helps you avoid having to rearrange them manually.
  • Objects added to a sub-diagram will be inserted with their default colors and placed in available space using autolayout.
  • If there are multiple lines leading to an object, the connectors are spaced further apart, which improves readability.

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Context menu with options to paste objects to a diagram and run autolayout for automatic rearrangement of items.
Generation of validation scripts for MongoDB - code generated by Moon Modeler data modeling tool

Code Generation

We have added templates for generating validation scripts for MongoDB that include fields named _id. This allows you to set the data type to a custom value and configure additional options for those _id fields.

Application Settings

You can now turn on or off the panels displayed on the left side. This allows you to easily turn off the theme selection panel or hide or show the Assets panel. If you want to add flowchart or data flow diagram elements to your diagram, you can easily turn on the Assets panel and conveniently insert additional objects into your diagrams.

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Moon Modeler application settings and options to show and hide the Assets, Explorer and Themes panels.

What’s new in version 12

Screenshot of Moon Modeler  showing reference line detail and the option to set the sides to which the line will be anchored.

Better Control over References and Simple Lines

  • Now you can choose which side to anchor the reference line or simple line
  • For detailed or basic line mode, there are appropriate options for anchoring lines.
  • The line color can be selected separately for each sub-diagram.

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Multi-Line Scenario Enhancements

  • We have improved the rendering of multiple self-references.
  • All lines leading to the same object are handled together, and the shortest anchor point is automatically selected.
  • If the lines lead to the same field of the collection, they will be evenly distributed. This will help with clarity and identification of the lines.

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The image shows the placement of reference lines leading to the same field in the MongoDB collection.
Luna Modeler and Assets panel with predefined graphic elements for enriching diagrams and creating additional visualizations such as flowcharts, data flows, etc.

Predefined Graphics in Assets Panel

You can now add symbols and predefined graphic objects to diagrams. Easily create professional Data Flow diagrams within your project, add Flowcharts, or enrich data models with additional information.

Asset Visualizations and Documentation

  • Most objects added from the Assets panel can be displayed as Graphics or as Cards.
  • Such objects are also included in generated HTML reports.

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Details of an Asset/Note object and the option to switch from Graphics to Card.
Data Model created in Moon Modeler enriched with elements such as Swim Pool and Swim Lane and other predefined graphics.

Subject Areas, Swim Pools and Swim Lanes

To improve visualization, we have added new elements such as Swim Pool and Swim Lane. Work with these objects in the same way as with Subject Area. The only difference is in the visualization. You also have the option to set the color and style of the border.

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Markdown Notes

In addition to classic texts and notes, you can add Markdown notes to the diagram, which support classic markdown and some HTML elements. This makes it easy to create a table, list, or add an image with a specific size.

The screenshot shows Markdown Notes defined in Luna Modeler, a data modeling tool for relational databases.
Other improvements

Version 12

  • UI – Move selected objects using arrow keys
  • Updated template for Mongoose ODM output
  • Updated components to newer versions

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Moon Modeler


Moon Modeler for MongoDB and Mongoose is available for Windows, Linux and MacOS.
Trial version expires 14 days after installation.

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