diff --git a/components/lib/accordion/Accordion.vue b/components/lib/accordion/Accordion.vue
index dfd54e2b5..d25a9e809 100755
--- a/components/lib/accordion/Accordion.vue
+++ b/components/lib/accordion/Accordion.vue
@@ -57,7 +57,7 @@
 import ChevronDownIcon from 'primevue/icons/chevrondown';
 import ChevronRightIcon from 'primevue/icons/chevronright';
 import Ripple from 'primevue/ripple';
-import { DomHandler, UniqueComponentId } from 'primevue/utils';
+import { DomHandler, HelperSet, UniqueComponentId } from 'primevue/utils';
 import { mergeProps } from 'vue';
 import BaseAccordion from './BaseAccordion.vue';
 
@@ -65,10 +65,16 @@ export default {
     name: 'Accordion',
     extends: BaseAccordion,
     emits: ['update:activeIndex', 'tab-open', 'tab-close', 'tab-click'],
+    provide() {
+        return {
+            $accordionTabs: this.d_accordionTabs
+        };
+    },
     data() {
         return {
             id: this.$attrs.id,
-            d_activeIndex: this.activeIndex
+            d_activeIndex: this.activeIndex,
+            d_accordionTabs: new HelperSet({ type: 'AccordionTab' })
         };
     },
     watch: {
@@ -82,10 +88,10 @@ export default {
     mounted() {
         this.id = this.id || UniqueComponentId();
     },
+    beforeUnmount() {
+        this.d_accordionTabs.clear();
+    },
     methods: {
-        isAccordionTab(child) {
-            return child.type.name === 'AccordionTab';
-        },
         isTabActive(index) {
             return this.multiple ? this.d_activeIndex && this.d_activeIndex.includes(index) : this.d_activeIndex === index;
         },
@@ -235,19 +241,7 @@ export default {
     },
     computed: {
         tabs() {
-            return this.$slots.default().reduce((tabs, child) => {
-                if (this.isAccordionTab(child)) {
-                    tabs.push(child);
-                } else if (child.children && child.children instanceof Array) {
-                    child.children.forEach((nestedChild) => {
-                        if (this.isAccordionTab(nestedChild)) {
-                            tabs.push(nestedChild);
-                        }
-                    });
-                }
-
-                return tabs;
-            }, []);
+            return this.d_accordionTabs.get(this);
         }
     },
     components: {
diff --git a/components/lib/accordiontab/AccordionTab.vue b/components/lib/accordiontab/AccordionTab.vue
index c5f577a91..7f6a97935 100755
--- a/components/lib/accordiontab/AccordionTab.vue
+++ b/components/lib/accordiontab/AccordionTab.vue
@@ -7,6 +7,13 @@ import BaseAccordionTab from './BaseAccordionTab.vue';
 
 export default {
     name: 'AccordionTab',
-    extends: BaseAccordionTab
+    extends: BaseAccordionTab,
+    inject: ['$accordionTabs'],
+    mounted() {
+        this.$accordionTabs?.add(this.$);
+    },
+    unmounted() {
+        this.$accordionTabs?.delete(this.$);
+    }
 };
 </script>
diff --git a/components/lib/column/Column.vue b/components/lib/column/Column.vue
index 0335aa007..82a8903ea 100755
--- a/components/lib/column/Column.vue
+++ b/components/lib/column/Column.vue
@@ -4,6 +4,13 @@ import BaseColumn from './BaseColumn.vue';
 export default {
     name: 'Column',
     extends: BaseColumn,
+    inject: ['$columns'],
+    mounted() {
+        this.$columns?.add(this.$);
+    },
+    unmounted() {
+        this.$columns?.delete(this.$);
+    },
     render() {
         return null;
     }
diff --git a/components/lib/columngroup/ColumnGroup.vue b/components/lib/columngroup/ColumnGroup.vue
index ed3c6170b..c2144a286 100755
--- a/components/lib/columngroup/ColumnGroup.vue
+++ b/components/lib/columngroup/ColumnGroup.vue
@@ -4,6 +4,13 @@ import BaseColumnGroup from './BaseColumnGroup.vue';
 export default {
     name: 'ColumnGroup',
     extends: BaseColumnGroup,
+    inject: ['$columnGroups'],
+    mounted() {
+        this.$columnGroups?.add(this.$);
+    },
+    unmounted() {
+        this.$columnGroups?.delete(this.$);
+    },
     render() {
         return null;
     }
diff --git a/components/lib/datatable/DataTable.vue b/components/lib/datatable/DataTable.vue
index ad8c89f33..7f0b8e827 100755
--- a/components/lib/datatable/DataTable.vue
+++ b/components/lib/datatable/DataTable.vue
@@ -283,7 +283,7 @@ import ArrowDownIcon from 'primevue/icons/arrowdown';
 import ArrowUpIcon from 'primevue/icons/arrowup';
 import SpinnerIcon from 'primevue/icons/spinner';
 import Paginator from 'primevue/paginator';
-import { DomHandler, ObjectUtils, UniqueComponentId } from 'primevue/utils';
+import { DomHandler, HelperSet, ObjectUtils, UniqueComponentId } from 'primevue/utils';
 import VirtualScroller from 'primevue/virtualscroller';
 import BaseDataTable from './BaseDataTable.vue';
 import TableBody from './TableBody.vue';
@@ -333,6 +333,12 @@ export default {
         'row-edit-save',
         'row-edit-cancel'
     ],
+    provide() {
+        return {
+            $columns: this.d_columns,
+            $columnGroups: this.d_columnGroups
+        };
+    },
     data() {
         return {
             d_first: this.first,
@@ -346,7 +352,9 @@ export default {
             d_columnOrder: null,
             d_editingRowKeys: null,
             d_editingMeta: {},
-            d_filters: this.cloneFilters(this.filters)
+            d_filters: this.cloneFilters(this.filters),
+            d_columns: new HelperSet({ type: 'Column' }),
+            d_columnGroups: new HelperSet({ type: 'ColumnGroup' })
         };
     },
     rowTouched: false,
@@ -430,6 +438,9 @@ export default {
         this.unbindColumnResizeEvents();
         this.destroyStyleElement();
         this.destroyResponsiveStyle();
+
+        this.d_columns.clear();
+        this.d_columnGroups.clear();
     },
     updated() {
         if (this.isStateful()) {
@@ -1852,9 +1863,6 @@ export default {
         hasGlobalFilter() {
             return this.filters && Object.prototype.hasOwnProperty.call(this.filters, 'global');
         },
-        getChildren() {
-            return this.$slots.default ? this.$slots.default() : null;
-        },
         onFilterChange(filters) {
             this.d_filters = filters;
         },
@@ -1952,23 +1960,6 @@ export default {
                 this.styleElement = null;
             }
         },
-        recursiveGetChildren(children, results) {
-            if (!results) {
-                results = [];
-            }
-
-            if (children && children.length) {
-                children.forEach((child) => {
-                    if (child.children instanceof Array) {
-                        results.concat(this.recursiveGetChildren(child.children, results));
-                    } else if (child.type.name == 'Column') {
-                        results.push(child);
-                    }
-                });
-            }
-
-            return results;
-        },
         dataToRender(data) {
             const _data = data || this.processedData;
 
@@ -1989,13 +1980,7 @@ export default {
     },
     computed: {
         columns() {
-            let children = this.getChildren();
-
-            if (!children) {
-                return;
-            }
-
-            const cols = this.recursiveGetChildren(children, []);
+            const cols = this.d_columns.get(this);
 
             if (this.reorderableColumns && this.d_columnOrder) {
                 let orderedColumns = [];
@@ -2013,31 +1998,14 @@ export default {
 
             return cols;
         },
+        columnGroups() {
+            return this.d_columnGroups.get(this);
+        },
         headerColumnGroup() {
-            const children = this.getChildren();
-
-            if (children) {
-                for (let child of children) {
-                    if (child.type.name === 'ColumnGroup' && this.columnProp(child, 'type') === 'header') {
-                        return child;
-                    }
-                }
-            }
-
-            return null;
+            return this.columnGroups?.find((group) => this.columnProp(group, 'type') === 'header');
         },
         footerColumnGroup() {
-            const children = this.getChildren();
-
-            if (children) {
-                for (let child of children) {
-                    if (child.type.name === 'ColumnGroup' && this.columnProp(child, 'type') === 'footer') {
-                        return child;
-                    }
-                }
-            }
-
-            return null;
+            return this.columnGroups?.find((group) => this.columnProp(group, 'type') === 'footer');
         },
         hasFilters() {
             return this.filters && Object.keys(this.filters).length > 0 && this.filters.constructor === Object;
diff --git a/components/lib/datatable/TableFooter.vue b/components/lib/datatable/TableFooter.vue
index e915644ec..9de027a19 100755
--- a/components/lib/datatable/TableFooter.vue
+++ b/components/lib/datatable/TableFooter.vue
@@ -17,7 +17,7 @@
 
 <script>
 import BaseComponent from 'primevue/basecomponent';
-import { ObjectUtils } from 'primevue/utils';
+import { HelperSet, ObjectUtils } from 'primevue/utils';
 import { mergeProps } from 'vue';
 import FooterCell from './FooterCell.vue';
 
@@ -35,6 +35,22 @@ export default {
             default: null
         }
     },
+    provide() {
+        return {
+            $rows: this.d_footerRows,
+            $columns: this.d_footerColumns
+        };
+    },
+    data() {
+        return {
+            d_footerRows: new HelperSet({ type: 'Row' }),
+            d_footerColumns: new HelperSet({ type: 'Column' })
+        };
+    },
+    beforeUnmount() {
+        this.d_footerRows.clear();
+        this.d_footerColumns.clear();
+    },
     methods: {
         columnProp(col, prop) {
             return ObjectUtils.getVNodeProp(col, prop);
@@ -77,33 +93,10 @@ export default {
             return row.props && row.props.pt ? row.props.pt : undefined; //@todo
         },
         getFooterRows() {
-            let rows = [];
-
-            let columnGroup = this.columnGroup;
-
-            if (columnGroup.children && columnGroup.children.default) {
-                for (let child of columnGroup.children.default()) {
-                    if (child.type.name === 'Row') {
-                        rows.push(child);
-                    } else if (child.children && child.children instanceof Array) {
-                        rows = child.children;
-                    }
-                }
-
-                return rows;
-            }
+            return this.d_footerRows?.get(this.columnGroup, this.columnGroup.children);
         },
         getFooterColumns(row) {
-            let cols = [];
-
-            if (row.children && row.children.default) {
-                row.children.default().forEach((child) => {
-                    if (child.children && child.children instanceof Array) cols = [...cols, ...child.children];
-                    else if (child.type.name === 'Column') cols.push(child);
-                });
-
-                return cols;
-            }
+            return this.d_footerColumns?.get(row, row.children);
         }
     },
     computed: {
diff --git a/components/lib/datatable/TableHeader.vue b/components/lib/datatable/TableHeader.vue
index 87c15cce2..a0245d777 100755
--- a/components/lib/datatable/TableHeader.vue
+++ b/components/lib/datatable/TableHeader.vue
@@ -128,7 +128,7 @@
 
 <script>
 import BaseComponent from 'primevue/basecomponent';
-import { ObjectUtils } from 'primevue/utils';
+import { HelperSet, ObjectUtils } from 'primevue/utils';
 import { mergeProps } from 'vue';
 import ColumnFilter from './ColumnFilter.vue';
 import HeaderCell from './HeaderCell.vue';
@@ -226,6 +226,22 @@ export default {
             default: null
         }
     },
+    provide() {
+        return {
+            $rows: this.d_headerRows,
+            $columns: this.d_headerColumns
+        };
+    },
+    data() {
+        return {
+            d_headerRows: new HelperSet({ type: 'Row' }),
+            d_headerColumns: new HelperSet({ type: 'Column' })
+        };
+    },
+    beforeUnmount() {
+        this.d_headerRows.clear();
+        this.d_headerColumns.clear();
+    },
     methods: {
         columnProp(col, prop) {
             return ObjectUtils.getVNodeProp(col, prop);
@@ -292,33 +308,10 @@ export default {
             return [this.columnProp(column, 'filterHeaderStyle'), this.columnProp(column, 'style')];
         },
         getHeaderRows() {
-            let rows = [];
-
-            let columnGroup = this.columnGroup;
-
-            if (columnGroup.children && columnGroup.children.default) {
-                for (let child of columnGroup.children.default()) {
-                    if (child.type.name === 'Row') {
-                        rows.push(child);
-                    } else if (child.children && child.children instanceof Array) {
-                        rows = child.children;
-                    }
-                }
-
-                return rows;
-            }
+            return this.d_headerRows?.get(this.columnGroup, this.columnGroup.children);
         },
         getHeaderColumns(row) {
-            let cols = [];
-
-            if (row.children && row.children.default) {
-                row.children.default().forEach((child) => {
-                    if (child.children && child.children instanceof Array) cols = [...cols, ...child.children];
-                    else if (child.type.name === 'Column') cols.push(child);
-                });
-
-                return cols;
-            }
+            return this.d_headerColumns?.get(row, row.children);
         }
     },
     computed: {
diff --git a/components/lib/row/Row.vue b/components/lib/row/Row.vue
index 2b41ecd08..4ff00ace8 100755
--- a/components/lib/row/Row.vue
+++ b/components/lib/row/Row.vue
@@ -4,6 +4,13 @@ import BaseComponent from 'primevue/basecomponent';
 export default {
     name: 'Row',
     extends: BaseComponent,
+    inject: ['$rows'],
+    mounted() {
+        this.$rows?.add(this.$);
+    },
+    unmounted() {
+        this.$rows?.delete(this.$);
+    },
     render() {
         return null;
     }
diff --git a/components/lib/tabpanel/TabPanel.vue b/components/lib/tabpanel/TabPanel.vue
index 90790ba53..2483c99f8 100755
--- a/components/lib/tabpanel/TabPanel.vue
+++ b/components/lib/tabpanel/TabPanel.vue
@@ -7,6 +7,13 @@ import BaseTabPanel from './BaseTabPanel.vue';
 
 export default {
     name: 'TabPanel',
-    extends: BaseTabPanel
+    extends: BaseTabPanel,
+    inject: ['$tabPanels'],
+    mounted() {
+        this.$tabPanels?.add(this.$);
+    },
+    unmounted() {
+        this.$tabPanels?.delete(this.$);
+    }
 };
 </script>
diff --git a/components/lib/tabview/TabView.vue b/components/lib/tabview/TabView.vue
index d048080d2..b4a588563 100755
--- a/components/lib/tabview/TabView.vue
+++ b/components/lib/tabview/TabView.vue
@@ -95,7 +95,7 @@
 import ChevronLeftIcon from 'primevue/icons/chevronleft';
 import ChevronRightIcon from 'primevue/icons/chevronright';
 import Ripple from 'primevue/ripple';
-import { DomHandler, UniqueComponentId } from 'primevue/utils';
+import { DomHandler, HelperSet, UniqueComponentId } from 'primevue/utils';
 import { mergeProps } from 'vue';
 import BaseTabView from './BaseTabView.vue';
 
@@ -103,12 +103,18 @@ export default {
     name: 'TabView',
     extends: BaseTabView,
     emits: ['update:activeIndex', 'tab-change', 'tab-click'],
+    provide() {
+        return {
+            $tabPanels: this.d_tabPanels
+        };
+    },
     data() {
         return {
             id: this.$attrs.id,
             d_activeIndex: this.activeIndex,
             isPrevButtonDisabled: true,
-            isNextButtonDisabled: false
+            isNextButtonDisabled: false,
+            d_tabPanels: new HelperSet({ type: 'TabPanel' })
         };
     },
     watch: {
@@ -130,10 +136,10 @@ export default {
     updated() {
         this.updateInkBar();
     },
+    beforeUnmount() {
+        this.d_tabPanels.clear();
+    },
     methods: {
-        isTabPanel(child) {
-            return child.type.name === 'TabPanel';
-        },
         isTabActive(index) {
             return this.d_activeIndex === index;
         },
@@ -342,19 +348,7 @@ export default {
     },
     computed: {
         tabs() {
-            return this.$slots.default().reduce((tabs, child) => {
-                if (this.isTabPanel(child)) {
-                    tabs.push(child);
-                } else if (child.children && child.children instanceof Array) {
-                    child.children.forEach((nestedChild) => {
-                        if (this.isTabPanel(nestedChild)) {
-                            tabs.push(nestedChild);
-                        }
-                    });
-                }
-
-                return tabs;
-            }, []);
+            return this.d_tabPanels.get(this);
         },
         prevButtonAriaLabel() {
             return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria.previous : undefined;
diff --git a/components/lib/treetable/TreeTable.vue b/components/lib/treetable/TreeTable.vue
index ba153a3f7..eee6577c3 100755
--- a/components/lib/treetable/TreeTable.vue
+++ b/components/lib/treetable/TreeTable.vue
@@ -170,7 +170,7 @@
 import { FilterService } from 'primevue/api';
 import SpinnerIcon from 'primevue/icons/spinner';
 import Paginator from 'primevue/paginator';
-import { DomHandler, ObjectUtils } from 'primevue/utils';
+import { DomHandler, HelperSet, ObjectUtils } from 'primevue/utils';
 import BaseTreeTable from './BaseTreeTable.vue';
 import FooterCell from './FooterCell.vue';
 import HeaderCell from './HeaderCell.vue';
@@ -196,10 +196,11 @@ export default {
         'filter',
         'column-resize-end'
     ],
-    documentColumnResizeListener: null,
-    documentColumnResizeEndListener: null,
-    lastResizeHelperX: null,
-    resizeColumnElement: null,
+    provide() {
+        return {
+            $columns: this.d_columns
+        };
+    },
     data() {
         return {
             d_expandedKeys: this.expandedKeys || {},
@@ -208,9 +209,14 @@ export default {
             d_sortField: this.sortField,
             d_sortOrder: this.sortOrder,
             d_multiSortMeta: this.multiSortMeta ? [...this.multiSortMeta] : [],
-            hasASelectedNode: false
+            hasASelectedNode: false,
+            d_columns: new HelperSet({ type: 'Column' })
         };
     },
+    documentColumnResizeListener: null,
+    documentColumnResizeEndListener: null,
+    lastResizeHelperX: null,
+    resizeColumnElement: null,
     watch: {
         expandedKeys(newValue) {
             this.d_expandedKeys = newValue;
@@ -241,6 +247,9 @@ export default {
             this.updateScrollWidth();
         }
     },
+    beforeUnmount() {
+        this.d_columns.clear();
+    },
     methods: {
         columnProp(col, prop) {
             return ObjectUtils.getVNodeProp(col, prop);
@@ -763,15 +772,7 @@ export default {
     },
     computed: {
         columns() {
-            let cols = [];
-            let children = this.$slots.default();
-
-            children.forEach((child) => {
-                if (child.children && child.children instanceof Array) cols = [...cols, ...child.children];
-                else if (child.type.name === 'Column') cols.push(child);
-            });
-
-            return cols;
+            return this.d_columns.get(this);
         },
         processedData() {
             if (this.lazy) {
diff --git a/components/lib/utils/HelperSet.js b/components/lib/utils/HelperSet.js
new file mode 100644
index 000000000..7e85413f9
--- /dev/null
+++ b/components/lib/utils/HelperSet.js
@@ -0,0 +1,51 @@
+import ObjectUtils from './ObjectUtils';
+
+export default class {
+    helpers;
+    type;
+    constructor({ init, type }) {
+        this.helpers = new Set(init);
+        this.type = type;
+    }
+    add(instance) {
+        this.helpers.add(instance);
+    }
+    update() {
+        // @todo
+    }
+    delete(instance) {
+        this.helpers.delete(instance);
+    }
+    clear() {
+        this.helpers.clear();
+    }
+    get(parentInstance, slots) {
+        const children = this._get(parentInstance, slots);
+        const computed = children ? this._recursive([...this.helpers], children) : null;
+
+        return ObjectUtils.isNotEmpty(computed) ? computed : null;
+    }
+    _isMatched(instance, key) {
+        const parent = instance?.parent;
+
+        return parent?.vnode?.key === key || (parent && this._isMatched(parent, key)) || false;
+    }
+    _get(parentInstance, slots) {
+        return (slots || parentInstance?.$slots)?.default?.() || null;
+    }
+    _recursive(helpers = [], children = []) {
+        let components = [];
+
+        children.forEach((child) => {
+            if (child.children instanceof Array) {
+                components = components.concat(this._recursive(components, child.children));
+            } else if (child.type.name === this.type) {
+                components.push(child);
+            } else if (ObjectUtils.isNotEmpty(child.key)) {
+                components = components.concat(helpers.filter((c) => this._isMatched(c, child.key)).map((c) => c.vnode));
+            }
+        });
+
+        return components;
+    }
+}
diff --git a/components/lib/utils/Utils.d.ts b/components/lib/utils/Utils.d.ts
index 72af49664..84379242c 100644
--- a/components/lib/utils/Utils.d.ts
+++ b/components/lib/utils/Utils.d.ts
@@ -102,6 +102,15 @@ export declare class ObjectUtils {
     static stringify(value: any, indent?: number, currentIndent?: number): string;
 }
 
+export declare class HelperSet {
+    constructor(options: { init?: any; type?: string });
+    add(instance: any): void;
+    update(): void;
+    delete(instance: any): void;
+    clear(): void;
+    get(parentInstance?: any, slots?: any): any[] | null | undefined;
+}
+
 export declare namespace ZIndexUtils {
     export function get(el?: HTMLElement): number;
     export function set(key: string, el: HTMLElement, baseZIndex?: number): void;
diff --git a/components/lib/utils/Utils.js b/components/lib/utils/Utils.js
index 5c089de70..9ca36d7f0 100644
--- a/components/lib/utils/Utils.js
+++ b/components/lib/utils/Utils.js
@@ -1,8 +1,9 @@
 import ConnectedOverlayScrollHandler from './ConnectedOverlayScrollHandler';
 import DomHandler from './DomHandler';
 import EventBus from './EventBus';
+import HelperSet from './HelperSet';
 import ObjectUtils from './ObjectUtils';
 import UniqueComponentId from './UniqueComponentId';
 import ZIndexUtils from './ZIndexUtils';
 
-export { ConnectedOverlayScrollHandler, DomHandler, EventBus, ObjectUtils, UniqueComponentId, ZIndexUtils };
+export { ConnectedOverlayScrollHandler, DomHandler, EventBus, HelperSet, ObjectUtils, UniqueComponentId, ZIndexUtils };