diff --git a/packages/material-react-table/package.json b/packages/material-react-table/package.json
index 585f1a0c8..f76a44af9 100644
--- a/packages/material-react-table/package.json
+++ b/packages/material-react-table/package.json
@@ -52,7 +52,7 @@
     "dev": "pnpm lib:dev",
     "lib:build": "pnpm build-lib && pnpm build-locales",
     "lib:build-locales": "node build-locales.mjs",
-    "lib:build-lib": "rm -rf dist && rollup -c rollup.config.mjs && size-limit",
+    "lib:build-lib": "node -e \"require('fs').rmSync('dist',{recursive:true,force:true})\" && rollup -c rollup.config.mjs && size-limit",
     "lib:dev": "rollup -c rollup.config.mjs --watch",
     "lint": "eslint .",
     "size": "size-limit",
diff --git a/packages/material-react-table/src/components/head/MRT_TableHeadCell.tsx b/packages/material-react-table/src/components/head/MRT_TableHeadCell.tsx
index 880826e83..2fa3959ba 100644
--- a/packages/material-react-table/src/components/head/MRT_TableHeadCell.tsx
+++ b/packages/material-react-table/src/components/head/MRT_TableHeadCell.tsx
@@ -326,7 +326,7 @@ export const MRT_TableHeadCell = <TData extends MRT_RowData>({
                       column={column}
                       table={table}
                       tableHeadCellRef={{
-                        current: tableHeadCellRefs.current?.[column.id]!,
+                        current: tableHeadCellRefs.current?.[column.id] ?? null,
                       }}
                     />
                   )}
diff --git a/packages/material-react-table/src/components/table/MRT_Table.tsx b/packages/material-react-table/src/components/table/MRT_Table.tsx
index f27896ae7..390330718 100644
--- a/packages/material-react-table/src/components/table/MRT_Table.tsx
+++ b/packages/material-react-table/src/components/table/MRT_Table.tsx
@@ -21,6 +21,7 @@ export const MRT_Table = <TData extends MRT_RowData>({
     getState,
     options: {
       columns,
+      enableRowVirtualization,
       enableStickyHeader,
       enableTableFooter,
       enableTableHead,
@@ -73,7 +74,8 @@ export const MRT_Table = <TData extends MRT_RowData>({
     >
       {!!Caption && <caption>{Caption}</caption>}
       {enableTableHead && <MRT_TableHead {...commonTableGroupProps} />}
-      {memoMode === 'table-body' || columnSizingInfo.isResizingColumn ? (
+      {memoMode === 'table-body' ||
+      (columnSizingInfo.isResizingColumn && !enableRowVirtualization) ? (
         <Memo_MRT_TableBody {...commonTableGroupProps} />
       ) : (
         <MRT_TableBody {...commonTableGroupProps} />
diff --git a/packages/material-react-table/src/hooks/useMRT_Effects.ts b/packages/material-react-table/src/hooks/useMRT_Effects.ts
index ce4ace2cf..4c2c2f5c4 100644
--- a/packages/material-react-table/src/hooks/useMRT_Effects.ts
+++ b/packages/material-react-table/src/hooks/useMRT_Effects.ts
@@ -97,10 +97,12 @@ export const useMRT_Effects = <TData extends MRT_RowData>(
 
   //fix pinned row top style when density changes
   useEffect(() => {
-    if (enableRowPinning && getIsSomeRowsPinned()) {
-      setTimeout(() => {
-        rerender();
-      }, 150);
-    }
+    if (!enableRowPinning || !getIsSomeRowsPinned()) return undefined;
+
+    const timeoutId = setTimeout(() => {
+      rerender();
+    }, 150);
+
+    return () => clearTimeout(timeoutId);
   }, [density]);
 };
diff --git a/packages/material-react-table/src/hooks/useMRT_TableOptions.ts b/packages/material-react-table/src/hooks/useMRT_TableOptions.ts
index 7bee63ec6..5802a02c9 100644
--- a/packages/material-react-table/src/hooks/useMRT_TableOptions.ts
+++ b/packages/material-react-table/src/hooks/useMRT_TableOptions.ts
@@ -127,10 +127,10 @@ export const useMRT_TableOptions: <TData extends MRT_RowData>(
   mrtTheme = useMemo(() => getMRTTheme(mrtTheme, theme), [mrtTheme, theme]);
   aggregationFns = useMemo(
     () => ({ ...MRT_AggregationFns, ...aggregationFns }),
-    [],
+    [aggregationFns],
   );
-  filterFns = useMemo(() => ({ ...MRT_FilterFns, ...filterFns }), []);
-  sortingFns = useMemo(() => ({ ...MRT_SortingFns, ...sortingFns }), []);
+  filterFns = useMemo(() => ({ ...MRT_FilterFns, ...filterFns }), [filterFns]);
+  sortingFns = useMemo(() => ({ ...MRT_SortingFns, ...sortingFns }), [sortingFns]);
   defaultColumn = useMemo(
     () => ({ ...MRT_DefaultColumn, ...defaultColumn }),
     [defaultColumn],