diff --git a/packages/mermaid/src/diagrams/flowchart/flowDb.ts b/packages/mermaid/src/diagrams/flowchart/flowDb.ts
index 3f44fb9fe..7fe2e3a73 100644
--- a/packages/mermaid/src/diagrams/flowchart/flowDb.ts
+++ b/packages/mermaid/src/diagrams/flowchart/flowDb.ts
@@ -813,6 +813,9 @@ const addNodeFromVertex = (
       domId: vertex.domId,
       isGroup,
       look,
+      link: vertex.link,
+      linkTarget: vertex.linkTarget,
+      tooltip: getTooltip(vertex.id),
     });
   }
 };
diff --git a/packages/mermaid/src/diagrams/flowchart/flowRenderer-v3-unified.ts b/packages/mermaid/src/diagrams/flowchart/flowRenderer-v3-unified.ts
index bf273f0e8..692c387e7 100644
--- a/packages/mermaid/src/diagrams/flowchart/flowRenderer-v3-unified.ts
+++ b/packages/mermaid/src/diagrams/flowchart/flowRenderer-v3-unified.ts
@@ -8,6 +8,7 @@ import { setupViewPortForSVG } from '../../rendering-util/setupViewPortForSVG.js
 import { getDirection } from './flowDb.js';
 
 import utils from '../../utils.js';
+import { select } from 'd3';
 
 // Configuration
 const conf: Record<string, any> = {};
@@ -32,6 +33,15 @@ export const draw = async function (text: string, id: string, _version: string,
   log.info('Drawing state diagram (v2)', id);
   const { securityLevel, state: conf, layout } = getConfig();
 
+  // Handle root and document for when rendering in sandbox mode
+  let sandboxElement;
+  if (securityLevel === 'sandbox') {
+    sandboxElement = select('#i' + id);
+  }
+
+  // @ts-ignore - document is always available
+  const doc = securityLevel === 'sandbox' ? sandboxElement.nodes()[0].contentDocument : document;
+
   const DIR = getDirection();
 
   // The getData method provided in all supported diagrams is used to extract the data from the parsed structure
@@ -60,6 +70,41 @@ export const draw = async function (text: string, id: string, _version: string,
     diag.db.getDiagramTitle()
   );
   setupViewPortForSVG(svg, padding, 'flowchart', conf?.useMaxWidth || false);
+
+  // If node has a link, wrap it in an anchor SVG object.
+  data4Layout.nodes.forEach((vertex) => {
+    if (vertex.link) {
+      const node = select('#' + id + ' [id="' + vertex.id + '"]');
+      if (node) {
+        const link = doc.createElementNS('http://www.w3.org/2000/svg', 'a');
+        link.setAttributeNS('http://www.w3.org/2000/svg', 'class', vertex.cssClasses);
+        link.setAttributeNS('http://www.w3.org/2000/svg', 'rel', 'noopener');
+        if (securityLevel === 'sandbox') {
+          link.setAttributeNS('http://www.w3.org/2000/svg', 'target', '_top');
+        } else if (vertex.linkTarget) {
+          link.setAttributeNS('http://www.w3.org/2000/svg', 'target', vertex.linkTarget);
+        }
+
+        const linkNode = node.insert(function () {
+          return link;
+        }, ':first-child');
+
+        const shape = node.select('.label-container');
+        if (shape) {
+          linkNode.append(function () {
+            return shape.node();
+          });
+        }
+
+        const label = node.select('.label');
+        if (label) {
+          linkNode.append(function () {
+            return label.node();
+          });
+        }
+      }
+    }
+  });
 };
 
 export default {
diff --git a/packages/mermaid/src/rendering-util/types.d.ts b/packages/mermaid/src/rendering-util/types.d.ts
index 7addc5848..bece69659 100644
--- a/packages/mermaid/src/rendering-util/types.d.ts
+++ b/packages/mermaid/src/rendering-util/types.d.ts
@@ -15,7 +15,8 @@ interface Node {
   description?: string[];
   parentId?: string;
   position?: string; // Keep, this is for notes 'left of', 'right of', etc. Move into nodeNode
-  cssStyles?: string; // Renamed from `styles` to `cssStyles`
+  cssStyles?: string[]; // Renamed from `styles` to `cssStyles`
+  cssCompiledStyles?: string[];
   cssClasses?: string; // Renamed from `classes` to `cssClasses`
   // style?: string; //REMOVE ✅
   // class?: string; //REMOVE ✅
@@ -23,7 +24,7 @@ interface Node {
   // props?: Record<string, unknown>; //REMOVE  ✅
   // type: string; // REMOVE, replace with isGroup: boolean, default false  ✅
   // borders?: string; //REMOVE  ✅
-  labelStyle?: string;
+  labelStyle?: string; // REMOVE - use cssStyles instead  ✅
 
   // Flowchart specific properties
   labelType?: string; // REMOVE? Always use markdown string, need to check for KaTeX - ⏳ wait with this one
@@ -34,6 +35,7 @@ interface Node {
   haveCallback?: boolean;
   link?: string;
   linkTarget?: string;
+  tooltip?: string;
   padding?: number; //REMOVE?, use from LayoutData.config - Keep, this could be shape specific
   shape?: string;
   tooltip?: string;