ChangelogChangelog

See the latest Pladitor releases, including PlantUML editor improvements, local MCP server support, local PlantUML server support, templates, preview, export, and bug fixes.

Version 1.17.1

Build 66

27th Jul 2026

Added
  • Local MCP Server support for connecting Pladitor to AI agents and automation tools.
Changed
  • AI integration now uses the local MCP server workflow instead of the previous built-in AI Assistant.
  • Improved SVG preview handling and template management.
  • Improved Monaco editor selection and focus restoration.
Fixed
  • Restored Monaco editor focus after app or window focus changes, including native WebView2 focus on Windows.

Version 1.15.0

Build 61

12th May 2026

Added
  • AI Assistant: Use AI to create and refine PlantUML diagrams. Bring your own API key for OpenAI, Anthropic, GitHub Models, or OpenRouter. Available in trial and licensed builds.
  • Interactive diagram viewer: zoom and pan the diagram preview with the mouse wheel. Configurable preview scroll behavior.
  • PlantUML Guidebook widget integrated directly in the editor.
  • New shortcuts for saving and opening diagram source files.
  • Local PlantUML Server support for offline diagram rendering on macOS and Windows.
  • New PlantUML chart diagram examples and templates.
Changed
  • Improved Monaco editor autocomplete options and selection restoration.

Version 1.14.3

Build 60

2nd Apr 2026

Added
  • Added examples for PlantUML chart diagrams
  • Switched source code editor to Monaco editor for an enhanced editing experience
  • Template favorites: pin and unpin templates, and filter the template list to show favorites only
  • Template sorting options: sort by newest, most used, or alphabetical order
  • Quick Reference panel now shows the active diagram type, a recommended guide, and common syntax patterns for the current diagram type
  • Minimap in the source code editor
  • Improved Share Diagram dialog on macOS and Windows
Changed
  • Enhanced guide selection with automatic fallback to a default guide when the selected guide is unavailable
  • Guide panel now updates automatically when switching diagram types

Version 1.13.1

Build 56

26th Jul 2025

Added
  • Added DirectEdit capability: Directly open your PlantUML-generated PNG/SVG image, edit the diagram source, and save as PNG/SVG again.
  • Added persistent guide settings
  • Added examples for corporate design framework “EDGY”
Changed
  • Enhanced handling of standard library includes
  • Enhanced syntax error handling
  • Refined presentation of diagram templates

Version 1.12.0

Build 54

1st Jun 2025

Changed
  • Improved syntax error handling
Fixed
  • DITAA diagram preview for PlantUML diagrams

Version 1.11.7

Build 53

19th Apr 2025

Added
  • Added options for closing all open diagrams and closing all other diagrams
  • Added templates for
    • Regular Expression diagrams,
    • Math diagrams,
    • Wire diagrams
    • Archimate diagrams
Changed
  • Improved handling of include directives
Fixed
  • We fixed the auto-format function that is executed via Ctrl+Shift+F

Version 1.10.2

Build 42

24th Jun 2024

Changed
  • Improved auto-completion.
  • Improved loading of template previews.
  • Improved feedback in case of syntax errors.

Version 1.9.6

Build 40

26th Apr 2024

Fixed
  • Fixed directly opening diagram source files.
  • Fixed starting issue when running on MacOS 12.

Version 1.9.4

Build 37

24th Apr 2024

Added
  • Major performance improvements for the editor
  • 15 editor themes
  • Basic support the !include directive
Changed
  • Improved local logging capabilities for debugging purposes
Fixed
  • Fixed tabs handling when trying to open an already opened file

Version 1.8.1

Build 31

24th Mar 2024

Added
  • Added an option to reset Pladitor’s configuration to defaults
  • Added an application log

Version 1.8.0

Build 30

20th Feb 2024

Added
  • Added copy-to-clipboard functionality for all export formats
  • Added auto-format function for diagram code
  • Added export to Base64 and MAP formats
Fixed
  • Fixed line number indicator display when using multiple tabs

Version 1.7.3

Build 29

1st Dec 2023

Added
  • Added Image-to-code navigation: Instantly navigate from diagrams to source code with a simple double-click on any text within the diagram.
  • Added Word Wrap: Customize your viewing experience with a configurable word wrap in the source editor.
  • Added Fit Screen Button: Effortlessly view your entire diagram with the auto fit-screen option in the diagram window.
Fixed
  • Fixed some missing translations.

Version 1.6.4

Build 25

6th May 2023

Added
  • Added multi-tab support to work on several diagrams in parallel
  • Added auto-save of all open diagrams
  • Added export of diagrams in PDF format
  • Added extended configurability: Font size and guides start-up behaviour can now be configured
  • Added French and Spanish localizations
Changed
  • The current filename is used as default suggestion in the export dialogs now.
  • Improved handling of line-endings with copy-and-paste actions.
Fixed
  • Fixed a bug in the context of syntax-highlighting
  • Fixed DITAA example in the templates gallery

Version 1.5.0

Build 20

18th March 2023

Added
  • Added watermarks to exports of web version of Pladitor.

Version 1.4.2

Build 18

25th February 2023

Added
  • Added possibility to direclty open .puml, .pu, and .wsl files via double-click or ‘open with…’ desktop function.
  • Tripple-tap selects the whole line in the editor textfield
  • PlantUML Guide section can be shown and hidden via button in editor toolbar
  • Added shortcut for opening a source code file
  • Added shortcut for showing/hiding the PlantUML guides section
  • Added sequence diagram to built-in templates gallery for Producer-Consumer Problem
Changed
  • Enhanced syntax-highlighting: Arrows are recognized as keywords, substrings are not erroneously recognized as keywords anymore
Fixed
  • Fixed disappearing toolbar items in Windows version under certain conditions

Version 1.3.2

Build 13

29th January 2023

Added
  • Added dialog for selecting and adding emojis into diagrams
  • Added export option ‘SVG (flat)’ for self-contained SVG exports without URL-referenced images
  • Added templates for a new category ‘Software Design Patterns’
  • Added another example of a network diagram in built-in template gallery
  • Added Entity-Control-Boundary diagram template in category ‘Software Design Patterns’
  • App-Store-Free version of Pladitor released

Version 1.2.1

Build 9

2nd January 2023

Added
  • Added PlantUML guides for quick syntax look-ups.
  • SVG are flattened before exporting: No nested SVGs allow for a higher compatibility when importing SVG in other documents (e.g., MS Word).
  • Added better error handling when trying to import soures from PNG or SVG images that do not contain diagram sources.
  • Software license key handling (Personal-license version)
Changed
  • Updated regular expressions for the syntax highlighting function.
  • Set compact sidebar-mode as default (Windows version only).

Version 1.1.2

Build 6

10th December 2022

Added
  • Released webversion of Pladitor with reduced feature set as online demo.

Version 1.1.1

Build 5

3rd December 2022

Changed
  • Minor versioning clean up for Mac version.

Version 1.1.0

Build 3

2nd December 2022

Added
  • We released Pladitor also for Windows now.
  • Dialog for adding OpenIconic icons to the diagram.
  • Dialog for adding color codes to the diagram.
  • Diagram templates for the C4 software architecture model.
Fixed
  • Corrected typos on feedback page.

Version 1.0.4

Build 2

30th October 2022

Added
  • The initial release of Pladitor for MacOS. We hope you enjoy working and creating your next diagrams with it!
Unreleased
  • We are working on the Windows version of Pladitor and expect to have it released towards the end of Q4 2022.

Changelog label legend

Added
  • This feature has been added since the last release.
Changed
  • This feature existed in a similar way before, but has been changed since the last release.
Depricated
  • This feature has been superseded by a new functionality and is deprecated now.
Removed
  • This feature existed, but has been removed now.
Fixed
  • This bug has been fixed since the last release.
Security
  • This security-critical bug has been fixed since the last release.
Unreleased
  • This feature has not been released yet, but we want to share with you the information that this topic is on our roadmap.