Repository navigation

Issues

New issue

Please read before creating a new issue
#4227 · jgreywolf opened on Mar 16, 2023
Collaborators wanted!
#866 · knsv opened on Jun 29, 2019
44
Mermaid Iteration plan
#4584 · knsv opened on Jul 3, 2023
5

Flowchart: whitespace before the ::: class shorthand is a parse error
mermaid-js/mermaid#8753 · opened on Nov 10, 2026
Flowchart: an emoji or symbol in an unquoted subgraph title is a lexical error
mermaid-js/mermaid#8752 · opened on Nov 10, 2026
Flowchart: unquoted | inside a node label fails to parse
mermaid-js/mermaid#8750 · opened on Nov 10, 2026
ER diagram: er.minEntityHeight is ignored, and er.minEntityWidth is ignored for entities with attributes
mermaid-js/mermaid#8746 · opened on Nov 10, 2026
Mindmap: syntax to apply custom CSS classes to edges
mermaid-js/mermaid#8733 · opened on Nov 9, 2026
1
[v13] themeCSS is accepted and has no effect, and there is no warning (htmlLabels and look do warn)
mermaid-js/mermaid#8720 · opened on Nov 7, 2026
1
[v13] ELK: a state transition between a composite state and its own child hangs the render (event loop blocked), two variants throw "Invalid array length"
mermaid-js/mermaid#8719 · opened on Nov 7, 2026
1
[v13] A diagram plugin that has a layout member fails to load lazily: "plugin.parse is not a function" (package discovery and registerExternalDiagrams with loader)
mermaid-js/mermaid#8718 · opened on Nov 7, 2026
[v13] Node render with fontFamily: courier (or any font other than trebuchet ms, verdana, arial): text runs out of its box and is cut off at the SVG edge
mermaid-js/mermaid#8717 · opened on Nov 7, 2026
[v13] ER diagram: markdown in entity names, attributes and relationship labels is drawn as literal ** and _
mermaid-js/mermaid#8716 · opened on Nov 7, 2026
[v13] Front matter title: is not drawn for flowchart, sequence, ER, class and state diagrams
mermaid-js/mermaid#8715 · opened on Nov 7, 2026
[v13] The c4 detector claims any diagram that contains the word "C4Container" (and a %% C4... comment now breaks flowcharts)
mermaid-js/mermaid#8714 · opened on Nov 7, 2026
Open work by filipsajdak: index of the PR series and what each needs from maintainers
mermaid-js/mermaid#8713 · opened on Nov 6, 2026
1
swimlane-beta: layout engine fixes - PR series tracker
mermaid-js/mermaid#8712 · opened on Nov 6, 2026
Community PRs reviewed by filipsajdak: duplicate groups, conflicts and merge order - triage tracker
mermaid-js/mermaid#8711 · opened on Nov 6, 2026
Small independent fixes: crashes, hangs and wrong output - PR series tracker
mermaid-js/mermaid#8710 · opened on Nov 6, 2026
ELK layout: spacing, arrowheads, titles, wrapping and subgraph direction - PR series tracker
mermaid-js/mermaid#8709 · opened on Nov 6, 2026
ELK: two self-transitions on one state collapse into flat loops, with a line through a label
mermaid-js/mermaid#8706 · opened on Nov 6, 2026
class and requirement diagrams read nodeSpacing and rankSpacing from the state config
mermaid-js/mermaid#8701 · opened on Nov 5, 2026
Flowchart: unquoted ( inside a (...) node label fails to parse
mermaid-js/mermaid#8700 · opened on Nov 5, 2026
2
Sequence diagram shadows use unscoped url(#drop-shadow) in 12.3.0
mermaid-js/mermaid#8692 · opened on Nov 4, 2026
1
swimlane-beta: place a decision's short branch beside it and stop lanes reserving empty bands
mermaid-js/mermaid#8689 · opened on Nov 4, 2026
1
Sequence diagram svg is shorter than its viewBox when useMaxWidth is false
mermaid-js/mermaid#8679 · opened on Nov 3, 2026
Railroad EBNF: allow selecting W3C or ISO/IEC 14977 notation per diagram
mermaid-js/mermaid#8678 · opened on Nov 3, 2026
4
elk layout broken for mindmaps
mermaid-js/mermaid#8674 · opened on Nov 3, 2026
2

Navigation Menu

Repository navigation

Issues

Issues

Flowchart: whitespace before the `:::` class shorthand is a parse error

Flowchart: an emoji or symbol in an unquoted subgraph title is a lexical error

Flowchart: unquoted `|` inside a node label fails to parse

ER diagram: er.minEntityHeight is ignored, and er.minEntityWidth is ignored for entities with attributes

Mindmap: syntax to apply custom CSS classes to edges

[v13] `themeCSS` is accepted and has no effect, and there is no warning (`htmlLabels` and `look` do warn)

[v13] ELK: a state transition between a composite state and its own child hangs the render (event loop blocked), two variants throw "Invalid array length"

[v13] A diagram plugin that has a `layout` member fails to load lazily: "plugin.parse is not a function" (package discovery and `registerExternalDiagrams` with `loader`)

[v13] Node render with `fontFamily: courier` (or any font other than trebuchet ms, verdana, arial): text runs out of its box and is cut off at the SVG edge

[v13] ER diagram: markdown in entity names, attributes and relationship labels is drawn as literal `**` and `_`

[v13] Front matter `title:` is not drawn for flowchart, sequence, ER, class and state diagrams

[v13] The `c4` detector claims any diagram that contains the word "C4Container" (and a `%% C4...` comment now breaks flowcharts)

Open work by filipsajdak: index of the PR series and what each needs from maintainers

swimlane-beta: layout engine fixes - PR series tracker

Community PRs reviewed by filipsajdak: duplicate groups, conflicts and merge order - triage tracker

Small independent fixes: crashes, hangs and wrong output - PR series tracker

ELK layout: spacing, arrowheads, titles, wrapping and subgraph direction - PR series tracker

ELK: two self-transitions on one state collapse into flat loops, with a line through a label

class and requirement diagrams read nodeSpacing and rankSpacing from the state config

Flowchart: unquoted `(` inside a `(...)` node label fails to parse

Sequence diagram shadows use unscoped `url(#drop-shadow)` in 12.3.0

swimlane-beta: place a decision's short branch beside it and stop lanes reserving empty bands

Sequence diagram svg is shorter than its viewBox when useMaxWidth is false

Railroad EBNF: allow selecting `W3C` or `ISO/IEC 14977` notation per diagram

elk layout broken for mindmaps