Dendron Mermaid Support Overrides New VS Code Built-In Mermaid Support
Author: jgmpjgmpCreated May 22, 2026Updated May 22, 2026
Labelstype.bugscope.markdownstatus.triage-neededscope.views
Please select the area your bug applies to. (Multiple selections are Possible. You can leave blank if you're not sure.)
- Workspace. VSCode workspace, vaults, Intellisense/autocomplete, Dendron settings
- Lookup. Dendron's Lookup Command
- Views. Dendron Preview, Tree View, Side Panels in the UI
- Schema. Dendron Schemas
- Pod. Data import from / export to Dendron
- Publish. External Site Publish
- Markdown. Markdown features, such as syntax support and features
Describe the bug
Dendron built-in Mermaid overrides the now standard VS-code Mermaid support
To Reproduce
View any mermaid diagram, e.g.:
flowchart LR
Sleep[Sleep] --> Wake{Awake?}
Wake -->|No| Sleep
Wake -->|Hungry| Snack[Get treat]
Wake -->|Not in in Sun?| Move[Move to sun]
Wake -->|Human is typing| Keyboard[Sleep on keyboard]
Snack --> Sleep
Move --> Sleep
Keyboard --> SleepExpected behavior
Best would be to disable Dendron Mermaid support in favor of the standard VS code support.
Screenshots
If applicable, add screenshots to help explain your problem.
Desktop (please complete the following information)
- OS: Win11
- Browser: Edge
- Versions (all that apply to bug):
- Dendron Extension: 0.124.0
- VS Code version: 1.121.0
- Dendron CLI:
Additional context
Add any other context about the problem here.
Dendron Log file
Please attach the output of > Dendron:Dev: Open Logs here
Source: dendronhq/dendron