What's new in Mermaid Studio 2026.1.5?

Last updated: Feb 4, 2026

2026.1.5 Release Notes

This release brings a redesigned export dialog, Markdown integration improvements, and expanded MCP tooling for AI assistants.

Multi-query icon search — The searchMermaidIcons MCP tool now supports batching multiple searches in a single call, reducing round-trips when AI assistants need to find several icons
Syntax guide MCP tool — New getSyntaxGuide tool provides condensed syntax references for any diagram type, helping AI assistants write correct Mermaid code
Export & Print preview panels — See a live preview of your diagram in the export and print dialogs before committing to export or print
Markdown inlay support — Mermaid code fences in Markdown files now show inlay hints and code vision, matching the experience in standalone .mmd files
Export theme consistency — Export and diagram sync features now use the default Mermaid theme by default instead switching based on IDE light/dark mode

Added multi-query support to searchMermaidIcons MCP tool
Added getMermaidSyntaxGuide MCP tool for retrieving a condensed syntax guide for a specified Mermaid diagram type
Added validation and santization quickfix for architecture diagram group/service titles
Added inlay and code vision support for Mermaid code fences in Markdown files
Added export and print preview support in their respective dialogs

Reworked print and export options for better usability
Changes default export format to SVG and remembers last used format during IDE session
Improved memory usage during diagram export
Improved basic frontmatter format validation
Updated configuration screen wording to better align with official guidelines
Updated diagram sync to use the export theme Mermaid Runtime setting instead of choosing based on IDE theme
Improved C4 validation and completions
Updated Flowchart direction color

Fixed trailing newline handling in deletion range for Mermaid init block removal
Fixed diagram generator not creating parent directories for exported diagrams
Fixed pie chart accTitle lexing
Fixed Flowchart link completion triggering in frontmatter area
Fixed quote handling in flowchart shape text
Fixed Mermaid source code fences in Markdown files not updating colors after changing IDE color scheme
Fixed action buttons showing in Markdown preview for invalid Mermaid diagram code fences
Fixed XYChart edges getting cut off