diff --git a/demos/classchart.html b/demos/classchart.html
index 39e0631ec..736c2e001 100644
--- a/demos/classchart.html
+++ b/demos/classchart.html
@@ -158,6 +158,29 @@
     </pre>
     <hr />
 
+    <pre class="mermaid">
+    classDiagram
+      A1 --> B1
+      namespace A {
+        class A1 {
+          +foo : string
+        }
+        class A2 {
+          +bar : int
+        }
+      }
+      namespace B {
+        class B1 {
+          +foo : bool
+        }
+        class B2 {
+          +bar : float
+        }
+      }
+      A2 --> B2
+    </pre>
+    <hr />
+
     <script type="module">
       import mermaid from './mermaid.esm.mjs';
       mermaid.initialize({
diff --git a/docs/syntax/gantt.md b/docs/syntax/gantt.md
index 091cdeabe..8e64a268a 100644
--- a/docs/syntax/gantt.md
+++ b/docs/syntax/gantt.md
@@ -25,25 +25,25 @@ Mermaid can render Gantt diagrams as SVG, PNG or a MarkDown link that can be pas
 ```mermaid-example
 gantt
     title A Gantt Diagram
-    dateFormat  YYYY-MM-DD
+    dateFormat YYYY-MM-DD
     section Section
-    A task           :a1, 2014-01-01, 30d
-    Another task     :after a1  , 20d
+        A task          :a1, 2014-01-01, 30d
+        Another task    :after a1, 20d
     section Another
-    Task in sec      :2014-01-12  , 12d
-    another task      : 24d
+        Task in Another :2014-01-12, 12d
+        another task    :24d
 ```
 
 ```mermaid
 gantt
     title A Gantt Diagram
-    dateFormat  YYYY-MM-DD
+    dateFormat YYYY-MM-DD
     section Section
-    A task           :a1, 2014-01-01, 30d
-    Another task     :after a1  , 20d
+        A task          :a1, 2014-01-01, 30d
+        Another task    :after a1, 20d
     section Another
-    Task in sec      :2014-01-12  , 12d
-    another task      : 24d
+        Task in Another :2014-01-12, 12d
+        another task    :24d
 ```
 
 ## Syntax
@@ -117,17 +117,17 @@ gantt
 It is possible to set multiple dependencies separated by space:
 
 ```mermaid-example
-    gantt
-        apple :a, 2017-07-20, 1w
-        banana :crit, b, 2017-07-23, 1d
-        cherry :active, c, after b a, 1d
+gantt
+    apple :a, 2017-07-20, 1w
+    banana :crit, b, 2017-07-23, 1d
+    cherry :active, c, after b a, 1d
 ```
 
 ```mermaid
-    gantt
-        apple :a, 2017-07-20, 1w
-        banana :crit, b, 2017-07-23, 1d
-        cherry :active, c, after b a, 1d
+gantt
+    apple :a, 2017-07-20, 1w
+    banana :crit, b, 2017-07-23, 1d
+    cherry :active, c, after b a, 1d
 ```
 
 ### Title
@@ -146,22 +146,22 @@ You can add milestones to the diagrams. Milestones differ from tasks as they rep
 
 ```mermaid-example
 gantt
-dateFormat HH:mm
-axisFormat %H:%M
-Initial milestone : milestone, m1, 17:49,2min
-taska2 : 10min
-taska3 : 5min
-Final milestone : milestone, m2, 18:14, 2min
+    dateFormat HH:mm
+    axisFormat %H:%M
+    Initial milestone : milestone, m1, 17:49, 2m
+    Task A : 10m
+    Task B : 5m
+    Final milestone : milestone, m2, 18:08, 4m
 ```
 
 ```mermaid
 gantt
-dateFormat HH:mm
-axisFormat %H:%M
-Initial milestone : milestone, m1, 17:49,2min
-taska2 : 10min
-taska3 : 5min
-Final milestone : milestone, m2, 18:14, 2min
+    dateFormat HH:mm
+    axisFormat %H:%M
+    Initial milestone : milestone, m1, 17:49, 2m
+    Task A : 10m
+    Task B : 5m
+    Final milestone : milestone, m2, 18:08, 4m
 ```
 
 ## Setting dates
@@ -296,29 +296,27 @@ Comments can be entered within a gantt chart, which will be ignored by the parse
 ```mermaid-example
 gantt
     title A Gantt Diagram
-    %% this is a comment
-    dateFormat  YYYY-MM-DD
+    %% This is a comment
+    dateFormat YYYY-MM-DD
     section Section
-    A task           :a1, 2014-01-01, 30d
-    Another task     :after a1  , 20d
+        A task          :a1, 2014-01-01, 30d
+        Another task    :after a1, 20d
     section Another
-    Task in sec      :2014-01-12  , 12d
-    another task      : 24d
-
+        Task in Another :2014-01-12, 12d
+        another task    :24d
 ```
 
 ```mermaid
 gantt
     title A Gantt Diagram
-    %% this is a comment
-    dateFormat  YYYY-MM-DD
+    %% This is a comment
+    dateFormat YYYY-MM-DD
     section Section
-    A task           :a1, 2014-01-01, 30d
-    Another task     :after a1  , 20d
+        A task          :a1, 2014-01-01, 30d
+        Another task    :after a1, 20d
     section Another
-    Task in sec      :2014-01-12  , 12d
-    another task      : 24d
-
+        Task in Another :2014-01-12, 12d
+        another task    :24d
 ```
 
 ## Styling
@@ -440,7 +438,7 @@ Beginner's tip—a full example using interactive links in an html context:
       dateFormat  YYYY-MM-DD
 
       section Clickable
-      Visit mermaidjs           :active, cl1, 2014-01-07, 3d
+      Visit mermaidjs         :active, cl1, 2014-01-07, 3d
       Print arguments         :cl2, after cl1, 3d
       Print task              :cl3, after cl2, 3d
 
diff --git a/package.json b/package.json
index 8bd1b8127..e6bd516a9 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
     "@types/rollup-plugin-visualizer": "^4.2.1",
     "@typescript-eslint/eslint-plugin": "^5.59.0",
     "@typescript-eslint/parser": "^5.59.0",
-    "@vitest/coverage-istanbul": "^0.32.2",
+    "@vitest/coverage-v8": "^0.32.2",
     "@vitest/spy": "^0.32.2",
     "@vitest/ui": "^0.32.2",
     "concurrently": "^8.0.1",
diff --git a/packages/mermaid/src/diagrams/class/classDb.ts b/packages/mermaid/src/diagrams/class/classDb.ts
index 1eee399c7..b6c83d2e1 100644
--- a/packages/mermaid/src/diagrams/class/classDb.ts
+++ b/packages/mermaid/src/diagrams/class/classDb.ts
@@ -450,9 +450,8 @@ const getNamespaces = function (): NamespaceMap {
 export const addClassesToNamespace = function (id: string, classNames: string[]) {
   if (namespaces[id] !== undefined) {
     classNames.map((className) => {
+      classes[className].parent = id;
       namespaces[id].classes[className] = classes[className];
-      delete classes[className];
-      classCounter--;
     });
   }
 };
diff --git a/packages/mermaid/src/diagrams/class/classDiagram.spec.ts b/packages/mermaid/src/diagrams/class/classDiagram.spec.ts
index f052f7fd5..f3568e7b8 100644
--- a/packages/mermaid/src/diagrams/class/classDiagram.spec.ts
+++ b/packages/mermaid/src/diagrams/class/classDiagram.spec.ts
@@ -1405,9 +1405,54 @@ class Class2
       parser.parse(str);
 
       const testNamespace = parser.yy.getNamespace('Namespace1');
+      const testClasses = parser.yy.getClasses();
       expect(Object.keys(testNamespace.classes).length).toBe(2);
       expect(Object.keys(testNamespace.children).length).toBe(0);
       expect(testNamespace.classes['Class1'].id).toBe('Class1');
+      expect(Object.keys(testClasses).length).toBe(2);
+    });
+
+    it('should add relations between classes of different namespaces', function () {
+      const str = `classDiagram
+      A1 --> B1
+      namespace A {
+        class A1 {
+          +foo : string
+        }
+        class A2 {
+          +bar : int
+        }
+      }
+      namespace B {
+        class B1 {
+          +foo : bool
+        }
+        class B2 {
+          +bar : float
+        }
+      }
+      A2 --> B2`;
+
+      parser.parse(str);
+      const testNamespaceA = parser.yy.getNamespace('A');
+      const testNamespaceB = parser.yy.getNamespace('B');
+      const testClasses = parser.yy.getClasses();
+      const testRelations = parser.yy.getRelations();
+      expect(Object.keys(testNamespaceA.classes).length).toBe(2);
+      expect(testNamespaceA.classes['A1'].members[0]).toBe('+foo : string');
+      expect(testNamespaceA.classes['A2'].members[0]).toBe('+bar : int');
+      expect(Object.keys(testNamespaceB.classes).length).toBe(2);
+      expect(testNamespaceB.classes['B1'].members[0]).toBe('+foo : bool');
+      expect(testNamespaceB.classes['B2'].members[0]).toBe('+bar : float');
+      expect(Object.keys(testClasses).length).toBe(4);
+      expect(testClasses['A1'].parent).toBe('A');
+      expect(testClasses['A2'].parent).toBe('A');
+      expect(testClasses['B1'].parent).toBe('B');
+      expect(testClasses['B2'].parent).toBe('B');
+      expect(testRelations[0].id1).toBe('A1');
+      expect(testRelations[0].id2).toBe('B1');
+      expect(testRelations[1].id1).toBe('A2');
+      expect(testRelations[1].id2).toBe('B2');
     });
   });
 
diff --git a/packages/mermaid/src/diagrams/class/classRenderer-v2.ts b/packages/mermaid/src/diagrams/class/classRenderer-v2.ts
index 8b9b99933..5f5db0453 100644
--- a/packages/mermaid/src/diagrams/class/classRenderer-v2.ts
+++ b/packages/mermaid/src/diagrams/class/classRenderer-v2.ts
@@ -92,52 +92,52 @@ export const addClasses = function (
   log.info('keys:', keys);
   log.info(classes);
 
-  keys.forEach(function (id) {
-    const classNode = classes[id];
+  // Iterate through each item in the vertex object (containing all the vertices found) in the graph definition
+  keys
+    .filter((id) => classes[id].parent == parent)
+    .forEach(function (id) {
+      const vertex = classes[id];
 
-    /**
-     * Variable for storing the css classes for the vertex
-     */
-    let cssClassStr = '';
-    if (classNode.cssClasses.length > 0) {
-      cssClassStr = cssClassStr + ' ' + classNode.cssClasses.join(' ');
-    }
+      /**
+       * Variable for storing the classes for the vertex
+       */
+      const cssClassStr = vertex.cssClasses.join(' ');
 
-    const styles = { labelStyle: '', style: '' }; //getStylesFromArray(vertex.styles);
+      const styles = { labelStyle: '', style: '' }; //getStylesFromArray(vertex.styles);
 
-    // Use vertex id as text in the box if no text is provided by the graph definition
-    const nodeText = classNode.label ?? classNode.id;
-    const radius = 0;
-    const shape = 'class_box';
+      // Use vertex id as text in the box if no text is provided by the graph definition
+      const vertexText = vertex.label ?? vertex.id;
+      const radius = 0;
+      const shape = 'class_box';
 
-    // Add the node
-    const node = {
-      labelStyle: styles.labelStyle,
-      shape: shape,
-      labelText: sanitizeText(nodeText),
-      classData: classNode,
-      rx: radius,
-      ry: radius,
-      class: cssClassStr,
-      style: styles.style,
-      id: classNode.id,
-      domId: classNode.domId,
-      tooltip: diagObj.db.getTooltip(classNode.id, parent) || '',
-      haveCallback: classNode.haveCallback,
-      link: classNode.link,
-      width: classNode.type === 'group' ? 500 : undefined,
-      type: classNode.type,
-      // TODO V10: Flowchart ? Keeping flowchart for backwards compatibility. Remove in next major release
-      padding: getConfig().flowchart?.padding ?? getConfig().class?.padding,
-    };
-    g.setNode(classNode.id, node);
+      // Add the node
+      const node = {
+        labelStyle: styles.labelStyle,
+        shape: shape,
+        labelText: sanitizeText(vertexText),
+        classData: vertex,
+        rx: radius,
+        ry: radius,
+        class: cssClassStr,
+        style: styles.style,
+        id: vertex.id,
+        domId: vertex.domId,
+        tooltip: diagObj.db.getTooltip(vertex.id, parent) || '',
+        haveCallback: vertex.haveCallback,
+        link: vertex.link,
+        width: vertex.type === 'group' ? 500 : undefined,
+        type: vertex.type,
+        // TODO V10: Flowchart ? Keeping flowchart for backwards compatibility. Remove in next major release
+        padding: getConfig().flowchart?.padding ?? getConfig().class?.padding,
+      };
+      g.setNode(vertex.id, node);
 
-    if (parent) {
-      g.setParent(classNode.id, parent);
-    }
+      if (parent) {
+        g.setParent(vertex.id, parent);
+      }
 
-    log.info('setNode', node);
-  });
+      log.info('setNode', node);
+    });
 };
 
 /**
diff --git a/packages/mermaid/src/diagrams/class/classTypes.ts b/packages/mermaid/src/diagrams/class/classTypes.ts
index 67dc0acb6..2835ce08a 100644
--- a/packages/mermaid/src/diagrams/class/classTypes.ts
+++ b/packages/mermaid/src/diagrams/class/classTypes.ts
@@ -9,6 +9,7 @@ export interface ClassNode {
   members: ClassMember[];
   annotations: string[];
   domId: string;
+  parent?: string;
   link?: string;
   linkTarget?: string;
   haveCallback?: boolean;
diff --git a/packages/mermaid/src/docs/syntax/gantt.md b/packages/mermaid/src/docs/syntax/gantt.md
index cecaf52cb..710b39e52 100644
--- a/packages/mermaid/src/docs/syntax/gantt.md
+++ b/packages/mermaid/src/docs/syntax/gantt.md
@@ -19,13 +19,13 @@ Mermaid can render Gantt diagrams as SVG, PNG or a MarkDown link that can be pas
 ```mermaid-example
 gantt
     title A Gantt Diagram
-    dateFormat  YYYY-MM-DD
+    dateFormat YYYY-MM-DD
     section Section
-    A task           :a1, 2014-01-01, 30d
-    Another task     :after a1  , 20d
+        A task          :a1, 2014-01-01, 30d
+        Another task    :after a1, 20d
     section Another
-    Task in sec      :2014-01-12  , 12d
-    another task      : 24d
+        Task in Another :2014-01-12, 12d
+        another task    :24d
 ```
 
 ## Syntax
@@ -66,10 +66,10 @@ gantt
 It is possible to set multiple dependencies separated by space:
 
 ```mermaid-example
-    gantt
-        apple :a, 2017-07-20, 1w
-        banana :crit, b, 2017-07-23, 1d
-        cherry :active, c, after b a, 1d
+gantt
+    apple :a, 2017-07-20, 1w
+    banana :crit, b, 2017-07-23, 1d
+    cherry :active, c, after b a, 1d
 ```
 
 ### Title
@@ -88,12 +88,12 @@ You can add milestones to the diagrams. Milestones differ from tasks as they rep
 
 ```mermaid-example
 gantt
-dateFormat HH:mm
-axisFormat %H:%M
-Initial milestone : milestone, m1, 17:49,2min
-taska2 : 10min
-taska3 : 5min
-Final milestone : milestone, m2, 18:14, 2min
+    dateFormat HH:mm
+    axisFormat %H:%M
+    Initial milestone : milestone, m1, 17:49, 2m
+    Task A : 10m
+    Task B : 5m
+    Final milestone : milestone, m2, 18:08, 4m
 ```
 
 ## Setting dates
@@ -214,15 +214,14 @@ Comments can be entered within a gantt chart, which will be ignored by the parse
 ```mermaid
 gantt
     title A Gantt Diagram
-    %% this is a comment
-    dateFormat  YYYY-MM-DD
+    %% This is a comment
+    dateFormat YYYY-MM-DD
     section Section
-    A task           :a1, 2014-01-01, 30d
-    Another task     :after a1  , 20d
+        A task          :a1, 2014-01-01, 30d
+        Another task    :after a1, 20d
     section Another
-    Task in sec      :2014-01-12  , 12d
-    another task      : 24d
-
+        Task in Another :2014-01-12, 12d
+        another task    :24d
 ```
 
 ## Styling
@@ -350,7 +349,7 @@ Beginner's tip—a full example using interactive links in an html context:
       dateFormat  YYYY-MM-DD
 
       section Clickable
-      Visit mermaidjs           :active, cl1, 2014-01-07, 3d
+      Visit mermaidjs         :active, cl1, 2014-01-07, 3d
       Print arguments         :cl2, after cl1, 3d
       Print task              :cl3, after cl2, 3d
 
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 2f1ea7a43..1a316dd7f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -62,7 +62,7 @@ importers:
       '@typescript-eslint/parser':
         specifier: ^5.59.0
         version: 5.59.0(eslint@8.39.0)(typescript@5.1.3)
-      '@vitest/coverage-istanbul':
+      '@vitest/coverage-v8':
         specifier: ^0.32.2
         version: 0.32.2(vitest@0.32.2)
       '@vitest/spy':
@@ -451,6 +451,31 @@ importers:
         specifier: ^7.0.0
         version: 7.0.0
 
+  packages/mermaid/src/vitepress:
+    dependencies:
+      '@vueuse/core':
+        specifier: ^10.1.0
+        version: 10.1.0(vue@3.2.47)
+      vue:
+        specifier: ^3.2.47
+        version: 3.2.47
+    devDependencies:
+      pathe:
+        specifier: ^1.1.0
+        version: 1.1.0
+      unocss:
+        specifier: ^0.53.0
+        version: 0.53.0(postcss@8.4.23)(vite@4.3.9)
+      unplugin-vue-components:
+        specifier: ^0.25.0
+        version: 0.25.0(rollup@2.79.1)(vue@3.2.47)
+      vite:
+        specifier: ^4.3.3
+        version: 4.3.9(@types/node@18.16.0)
+      vitepress:
+        specifier: 1.0.0-beta.2
+        version: 1.0.0-beta.2(@algolia/client-search@4.14.2)(@types/node@18.16.0)(search-insights@2.6.0)
+
   tests/webpack:
     dependencies:
       '@mermaid-js/mermaid-example-diagram':
@@ -3482,7 +3507,7 @@ packages:
       slash: 3.0.0
       string-length: 4.0.2
       strip-ansi: 6.0.1
-      v8-to-istanbul: 9.0.1
+      v8-to-istanbul: 9.1.0
     transitivePeerDependencies:
       - supports-color
     dev: true
@@ -4660,6 +4685,17 @@ packages:
       - vite
     dev: true
 
+  /@unocss/astro@0.53.0(vite@4.3.9):
+    resolution: {integrity: sha512-8bR7ysIMZEOpcjd/cVmogcABSFDYPjUqMnbflv44p1A2/deemo9CIkpRARoq/96NQuzWJsKhKodcQodExZcqiA==}
+    dependencies:
+      '@unocss/core': 0.53.0
+      '@unocss/reset': 0.53.0
+      '@unocss/vite': 0.53.0(vite@4.3.9)
+    transitivePeerDependencies:
+      - rollup
+      - vite
+    dev: true
+
   /@unocss/cli@0.53.0(rollup@2.79.1):
     resolution: {integrity: sha512-9WNBHy8m8tMqwcp7mUhebRUBvHQfbx01CMe5cAFLmUYtJULM+8IjJxqERkaAZyyoOXf1TNO2v1dFAmCwhMRCLQ==}
     engines: {node: '>=14'}
@@ -4838,6 +4874,26 @@ packages:
       - rollup
     dev: true
 
+  /@unocss/vite@0.53.0(vite@4.3.9):
+    resolution: {integrity: sha512-JoZhKVNruRjfySMVg/zNJbLEn/NTXj29Wf0SN4++xnGKrSapkPzYC46psL5bm5N5v4SHdpepTCoonC3FWCY6Fw==}
+    peerDependencies:
+      vite: ^2.9.0 || ^3.0.0-0 || ^4.0.0
+    dependencies:
+      '@ampproject/remapping': 2.2.1
+      '@rollup/pluginutils': 5.0.2(rollup@2.79.1)
+      '@unocss/config': 0.53.0
+      '@unocss/core': 0.53.0
+      '@unocss/inspector': 0.53.0
+      '@unocss/scope': 0.53.0
+      '@unocss/transformer-directives': 0.53.0
+      chokidar: 3.5.3
+      fast-glob: 3.2.12
+      magic-string: 0.30.0
+      vite: 4.3.9(@types/node@18.16.0)
+    transitivePeerDependencies:
+      - rollup
+    dev: true
+
   /@vite-pwa/vitepress@0.2.0(vite-plugin-pwa@0.16.0):
     resolution: {integrity: sha512-dVQVaP6NB9woCFe4UASUqRp7uwBQJOVXlJlqK4krqXcbb3NuXIXIWOnU7HLpJnHqZj5U/81gKtLN6gs5gJBwiQ==}
     peerDependencies:
@@ -4879,17 +4935,22 @@ packages:
       vue: 3.3.4
     dev: true
 
-  /@vitest/coverage-istanbul@0.32.2(vitest@0.32.2):
-    resolution: {integrity: sha512-B5VSvfzwTsDt9HjFmQ4sZ2tQHivmHJpAoG/BJwNNQeBtSCSdY1L6tfCjwZLo7ryOmZEDA3ck/DAmHCUZqa+MWA==}
+  /@vitest/coverage-v8@0.32.2(vitest@0.32.2):
+    resolution: {integrity: sha512-/+V3nB3fyeuuSeKxCfi6XmWjDIxpky7AWSkGVfaMjAk7di8igBwRsThLjultwIZdTDH1RAxpjmCXEfSqsMFZOA==}
     peerDependencies:
       vitest: '>=0.32.0 <1'
     dependencies:
+      '@ampproject/remapping': 2.2.1
+      '@bcoe/v8-coverage': 0.2.3
       istanbul-lib-coverage: 3.2.0
-      istanbul-lib-instrument: 5.2.1
       istanbul-lib-report: 3.0.0
       istanbul-lib-source-maps: 4.0.1
       istanbul-reports: 3.1.5
+      magic-string: 0.30.0
+      picocolors: 1.0.0
+      std-env: 3.3.2
       test-exclude: 6.0.0
+      v8-to-istanbul: 9.1.0
       vitest: 0.32.2(@vitest/ui@0.32.2)(jsdom@22.0.0)
     transitivePeerDependencies:
       - supports-color
@@ -8983,7 +9044,7 @@ packages:
     dependencies:
       foreground-child: 3.1.1
       jackspeak: 2.1.1
-      minimatch: 9.0.0
+      minimatch: 9.0.1
       minipass: 5.0.0
       path-scurry: 1.7.0
     dev: true
@@ -14575,6 +14636,42 @@ packages:
       - vite
     dev: true
 
+  /unocss@0.53.0(postcss@8.4.23)(vite@4.3.9):
+    resolution: {integrity: sha512-kY4h5ERiDYlSnL2X+hbDfh+uaF7QNouy7j51GOTUr3Q0aaWehaNd05b15SjHrab559dEC0mYfrSEdh/DnCK1cw==}
+    engines: {node: '>=14'}
+    peerDependencies:
+      '@unocss/webpack': 0.53.0
+    peerDependenciesMeta:
+      '@unocss/webpack':
+        optional: true
+    dependencies:
+      '@unocss/astro': 0.53.0(vite@4.3.9)
+      '@unocss/cli': 0.53.0(rollup@2.79.1)
+      '@unocss/core': 0.53.0
+      '@unocss/extractor-arbitrary-variants': 0.53.0
+      '@unocss/postcss': 0.53.0(postcss@8.4.23)
+      '@unocss/preset-attributify': 0.53.0
+      '@unocss/preset-icons': 0.53.0
+      '@unocss/preset-mini': 0.53.0
+      '@unocss/preset-tagify': 0.53.0
+      '@unocss/preset-typography': 0.53.0
+      '@unocss/preset-uno': 0.53.0
+      '@unocss/preset-web-fonts': 0.53.0
+      '@unocss/preset-wind': 0.53.0
+      '@unocss/reset': 0.53.0
+      '@unocss/transformer-attributify-jsx': 0.53.0
+      '@unocss/transformer-attributify-jsx-babel': 0.53.0
+      '@unocss/transformer-compile-class': 0.53.0
+      '@unocss/transformer-directives': 0.53.0
+      '@unocss/transformer-variant-group': 0.53.0
+      '@unocss/vite': 0.53.0(vite@4.3.9)
+    transitivePeerDependencies:
+      - postcss
+      - rollup
+      - supports-color
+      - vite
+    dev: true
+
   /unpipe@1.0.0:
     resolution: {integrity: sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==}
     engines: {node: '>= 0.8'}
@@ -14700,8 +14797,8 @@ packages:
   /v8-compile-cache-lib@3.0.1:
     resolution: {integrity: sha512-wa7YjyUGfNZngI/vtK0UHAN+lgDCxBPCylVXGp0zu59Fz5aiGtNXaq3DhIov063MorB+VfufLh3JlF2KdTK3xg==}
 
-  /v8-to-istanbul@9.0.1:
-    resolution: {integrity: sha512-74Y4LqY74kLE6IFyIjPtkSTWzUZmj8tdHT9Ii/26dvQ6K9Dl2NbEfj0XgU2sHCtKgt5VupqhlO/5aWuqS+IY1w==}
+  /v8-to-istanbul@9.1.0:
+    resolution: {integrity: sha512-6z3GW9x8G1gd+JIIgQQQxXuiJtCXeAjp6RaPEPLv62mH3iPHPxV6W3robxtCzNErRo6ZwTmzWhsbNvjyEBKzKA==}
     engines: {node: '>=10.12.0'}
     dependencies:
       '@jridgewell/trace-mapping': 0.3.17
@@ -14944,6 +15041,49 @@ packages:
       - terser
     dev: true
 
+  /vitepress@1.0.0-beta.2(@algolia/client-search@4.14.2)(@types/node@18.16.0)(search-insights@2.6.0):
+    resolution: {integrity: sha512-DBXYjtYbm3W1IPPJ2TiCaK/XK+o/2XmL2+jslOGKm+txcbmG0kbeB+vadC5tCUZA9NdA+9Ywj3M4548c7t/SDg==}
+    hasBin: true
+    dependencies:
+      '@docsearch/css': 3.5.1
+      '@docsearch/js': 3.5.1(@algolia/client-search@4.14.2)(search-insights@2.6.0)
+      '@vitejs/plugin-vue': 4.2.3(vite@4.3.9)(vue@3.3.4)
+      '@vue/devtools-api': 6.5.0
+      '@vueuse/core': 10.1.2(vue@3.3.4)
+      '@vueuse/integrations': 10.1.2(focus-trap@7.4.3)(vue@3.3.4)
+      body-scroll-lock: 4.0.0-beta.0
+      focus-trap: 7.4.3
+      mark.js: 8.11.1
+      minisearch: 6.1.0
+      shiki: 0.14.2
+      vite: 4.3.9(@types/node@18.16.0)
+      vue: 3.3.4
+    transitivePeerDependencies:
+      - '@algolia/client-search'
+      - '@types/node'
+      - '@types/react'
+      - '@vue/composition-api'
+      - async-validator
+      - axios
+      - change-case
+      - drauu
+      - fuse.js
+      - idb-keyval
+      - jwt-decode
+      - less
+      - nprogress
+      - qrcode
+      - react
+      - react-dom
+      - sass
+      - search-insights
+      - sortablejs
+      - stylus
+      - sugarss
+      - terser
+      - universal-cookie
+    dev: true
+
   /vitepress@1.0.0-beta.3(@algolia/client-search@4.14.2)(@types/node@18.16.0)(search-insights@2.6.0):
     resolution: {integrity: sha512-GR5Pvr/o343NN1M4Na1shhDYZRrQbjmLq7WE0lla0H8iDPAsHE8agTHLWfu3FWx+3q2KA29sv16+0O9RQKGjlA==}
     hasBin: true
diff --git a/vite.config.ts b/vite.config.ts
index bff9a30c4..36d08351e 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -17,7 +17,7 @@ export default defineConfig({
     // TODO: should we move this to a mermaid-core package?
     setupFiles: ['packages/mermaid/src/tests/setup.ts'],
     coverage: {
-      provider: 'istanbul',
+      provider: 'v8',
       reporter: ['text', 'json', 'html', 'lcov'],
       reportsDirectory: './coverage/vitest',
       exclude: ['**/node_modules/**', '**/tests/**', '**/__mocks__/**'],