diff --git a/README.md b/README.md
index 2c31e49c1..940ae4340 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,7 @@ hf.setCellContents({ sheet: sheetId, row: 0, col: 0 }, [['Monthly Payment', '=PM
 console.log(`${hf.getCellValue({ sheet: sheetId, row: 0, col: 0 })}: ${hf.getCellValue({ sheet: sheetId, row: 0, col: 1 })}`);
 ```
 
-[Run this code in CodeSandbox](https://codesandbox.io/p/sandbox/github/handsontable/hyperformula-demos/tree/3.0.x/mortgage-calculator)
+[Run this code in StackBlitz](https://stackblitz.com/github/handsontable/hyperformula-demos/tree/3.0.x/mortgage-calculator)
 
 ## Contributing
 
diff --git a/docs/examples/i18n/example1.js b/docs/examples/i18n/example1.js
index 6f97e6e1a..16967ff0e 100644
--- a/docs/examples/i18n/example1.js
+++ b/docs/examples/i18n/example1.js
@@ -65,7 +65,9 @@ const config = {
   licenseKey: 'gpl-v3',
 };
 
-HyperFormula.registerLanguage('enUS', enUS);
+if (!HyperFormula.getRegisteredLanguagesCodes().includes('enUS')) {
+  HyperFormula.registerLanguage('enUS', enUS);
+}
 
 // Create an empty HyperFormula instance.
 const hf = HyperFormula.buildEmpty(config);
diff --git a/docs/examples/i18n/example1.ts b/docs/examples/i18n/example1.ts
index 4b48b0c7c..a59236f60 100644
--- a/docs/examples/i18n/example1.ts
+++ b/docs/examples/i18n/example1.ts
@@ -67,7 +67,9 @@ const config = {
   licenseKey: 'gpl-v3',
 };
 
-HyperFormula.registerLanguage('enUS', enUS);
+if (!HyperFormula.getRegisteredLanguagesCodes().includes('enUS')) {
+  HyperFormula.registerLanguage('enUS', enUS);
+}
 
 // Create an empty HyperFormula instance.
 const hf = HyperFormula.buildEmpty(config);
diff --git a/docs/examples/localizing-functions/example1.js b/docs/examples/localizing-functions/example1.js
index 0b9af1d2b..d7388ac47 100644
--- a/docs/examples/localizing-functions/example1.js
+++ b/docs/examples/localizing-functions/example1.js
@@ -28,7 +28,9 @@ const tableData = [
 ];
 
 // register language
-HyperFormula.registerLanguage('frFR', frFR);
+if (!HyperFormula.getRegisteredLanguagesCodes().includes('frFR')) {
+  HyperFormula.registerLanguage('frFR', frFR);
+}
 
 // Create an empty HyperFormula instance.
 const hf = HyperFormula.buildEmpty({
diff --git a/docs/examples/localizing-functions/example1.ts b/docs/examples/localizing-functions/example1.ts
index 2a827bed4..daa70fe05 100644
--- a/docs/examples/localizing-functions/example1.ts
+++ b/docs/examples/localizing-functions/example1.ts
@@ -30,7 +30,9 @@ const tableData = [
 ];
 
 // register language
-HyperFormula.registerLanguage('frFR', frFR);
+if (!HyperFormula.getRegisteredLanguagesCodes().includes('frFR')) {
+  HyperFormula.registerLanguage('frFR', frFR);
+}
 
 // Create an empty HyperFormula instance.
 const hf = HyperFormula.buildEmpty({
diff --git a/docs/index.md b/docs/index.md
index c73b5aa0a..f74c47da2 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -102,7 +102,7 @@ hf.setCellContents({ sheet: sheetId, row: 0, col: 0 }, [['Monthly Payment', '=PM
 console.log(`${hf.getCellValue({ sheet: sheetId, row: 0, col: 0 })}: ${hf.getCellValue({ sheet: sheetId, row: 0, col: 1 })}`);
 ```
 
-[Run this code in CodeSandbox](https://codesandbox.io/p/sandbox/github/handsontable/hyperformula-demos/tree/3.0.x/mortgage-calculator)
+[Run this code in StackBlitz](https://stackblitz.com/github/handsontable/hyperformula-demos/tree/3.0.x/mortgage-calculator)
 
 ## Contributing
 
diff --git a/src/DependencyGraph/DependencyGraph.ts b/src/DependencyGraph/DependencyGraph.ts
index 0cdf1778a..d32f40e3b 100644
--- a/src/DependencyGraph/DependencyGraph.ts
+++ b/src/DependencyGraph/DependencyGraph.ts
@@ -224,12 +224,20 @@ export class DependencyGraph {
     const namedExpression = this.namedExpressions.namedExpressionOrPlaceholder(expressionName, sheetId)
     return this.fetchCellOrCreateEmpty(namedExpression.address)
   }
-
+  public markAllNamedExpressionsAsDirty(): void {
+    const allExpressions = this.namedExpressions.getAllNamedExpressions();
+    for (const { expression } of allExpressions) {      
+      const vertex = this.shrinkPossibleArrayAndGetCell(expression.address);
+      if (vertex !== undefined) {
+        this.graph.markNodeAsDirty(vertex);
+      }
+    }
+  }
   public exchangeNode(addressFrom: SimpleCellAddress, addressTo: SimpleCellAddress) {
-    const vertexFrom = this.fetchCellOrCreateEmpty(addressFrom).vertex
-    const vertexTo = this.fetchCellOrCreateEmpty(addressTo).vertex
-    this.addressMapping.removeCell(addressFrom)
-    this.exchangeGraphNode(vertexFrom, vertexTo)
+    const vertexFrom = this.fetchCellOrCreateEmpty(addressFrom).vertex;
+    const vertexTo = this.fetchCellOrCreateEmpty(addressTo).vertex;
+    this.addressMapping.removeCell(addressFrom);
+    this.exchangeGraphNode(vertexFrom, vertexTo);
   }
 
   public fetchCellOrCreateEmpty(address: SimpleCellAddress): { vertex: CellVertex, id: Maybe<number> } {
diff --git a/src/HyperFormula.ts b/src/HyperFormula.ts
index 664ee1480..0393855e9 100644
--- a/src/HyperFormula.ts
+++ b/src/HyperFormula.ts
@@ -4503,6 +4503,7 @@ export class HyperFormula implements TypedEmitter {
       const changes = this._crudOperations.getAndClearContentChanges()
       const verticesToRecomputeFrom = this.dependencyGraph.verticesToRecompute()
       this.dependencyGraph.clearDirtyVertices()
+      this.dependencyGraph.markAllNamedExpressionsAsDirty()
 
       if (verticesToRecomputeFrom.length > 0) {
         changes.addAll(this.evaluator.partialRun(verticesToRecomputeFrom))