AdvancedTable - Row selection bug fix

.changeset/modern-phones-try.md

@@ -0,0 +1,7 @@
+---
+"@hashicorp/design-system-components": patch
+---
+
+<!-- START components/advanced-table -->
+`AdvancedTable` - Fixed a bug in the cleanup logic of selectable rows where data updates caused the internal selection state to be incorrectly reset.
+<!-- END -->

packages/components/src/components/hds/advanced-table/index.ts

@@ -678,9 +678,20 @@ export default class HdsAdvancedTable extends Component<HdsAdvancedTableSignatur
 
   @action
   willDestroyRowCheckbox(selectionKey?: string): void {
-    this._selectableRows = this._selectableRows.filter(
-      (row) => row.selectionKey !== selectionKey
+    if (selectionKey === undefined) {
+      return;
+    }
+
+    const index = this._selectableRows.findIndex(
+      (row) => row.selectionKey === selectionKey
     );
+
+    if (index === -1) {
+      return;
+    }
+
+    this._selectableRows.splice(index, 1);
+
     this.setSelectAllState();
   }