diff --git a/package.json b/package.json
index 90c1dc77ec..50563bb5c5 100644
--- a/package.json
+++ b/package.json
@@ -56,11 +56,11 @@
     "@types/node": "^25.5.0",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
-    "@typescript/native-preview": "^7.0.0-dev.20260401.1",
+    "@typescript/native-preview": "^7.0.0-dev.20260407.1",
     "@vitejs/plugin-react": "^6.0.1",
-    "@vitest/browser-playwright": "^4.1.2",
-    "@vitest/coverage-istanbul": "^4.1.2",
-    "@vitest/eslint-plugin": "^1.6.13",
+    "@vitest/browser-playwright": "^4.1.3",
+    "@vitest/coverage-istanbul": "^4.1.3",
+    "@vitest/eslint-plugin": "^1.6.14",
     "clsx": "^2.1.1",
     "ecij": "^0.4.1",
     "eslint": "^10.0.3",
@@ -68,7 +68,7 @@
     "eslint-plugin-sonarjs": "^4.0.2",
     "jspdf": "^4.2.0",
     "jspdf-autotable": "^5.0.7",
-    "oxfmt": "0.43.0",
+    "oxfmt": "0.44.0",
     "playwright": "~1.59.0",
     "postcss": "^8.5.2",
     "react": "^19.2.4",
@@ -76,9 +76,9 @@
     "tsdown": "^0.21.7",
     "typescript": "~6.0.2",
     "typescript-eslint": "^8.58.0",
-    "vite": "^8.0.3",
-    "vitest": "^4.1.2",
-    "vitest-browser-react": "^2.1.0"
+    "vite": "^8.0.6",
+    "vitest": "^4.1.3",
+    "vitest-browser-react": "^2.2.0"
   },
   "peerDependencies": {
     "react": "^19.2",
diff --git a/test/browser/column/cellClass.test.ts b/test/browser/column/cellClass.test.ts
index 08c4a8b703..c2c182d3cb 100644
--- a/test/browser/column/cellClass.test.ts
+++ b/test/browser/column/cellClass.test.ts
@@ -35,8 +35,8 @@ test('cellClass is a string', async () => {
   await setup({ columns, rows });
   const cell1 = page.getCell({ name: '0' });
   const cell2 = page.getCell({ name: '1' });
-  await expect.element(cell1).toHaveClass(`${cellClassname} my-cell`, { exact: true });
-  await expect.element(cell2).toHaveClass(`${cellClassname} my-cell`, { exact: true });
+  await expect.element(cell1).toHaveClass(cellClassname, 'my-cell', { exact: true });
+  await expect.element(cell2).toHaveClass(cellClassname, 'my-cell', { exact: true });
 });
 
 test('cellClass returns a string', async () => {
@@ -50,8 +50,8 @@ test('cellClass returns a string', async () => {
   await setup({ columns, rows });
   const cell1 = page.getCell({ name: '0' });
   const cell2 = page.getCell({ name: '1' });
-  await expect.element(cell1).toHaveClass(`${cellClassname} my-cell-0`, { exact: true });
-  await expect.element(cell2).toHaveClass(`${cellClassname} my-cell-1`, { exact: true });
+  await expect.element(cell1).toHaveClass(cellClassname, 'my-cell-0', { exact: true });
+  await expect.element(cell2).toHaveClass(cellClassname, 'my-cell-1', { exact: true });
 });
 
 test('cellClass returns undefined', async () => {
diff --git a/test/browser/column/frozen.test.ts b/test/browser/column/frozen.test.ts
index 7cfd10f783..e984ee4a3c 100644
--- a/test/browser/column/frozen.test.ts
+++ b/test/browser/column/frozen.test.ts
@@ -38,12 +38,8 @@ test('frozen column have a specific class, and are stable-sorted before non-froz
   await expect.element(cell3).toHaveTextContent('col2');
   await expect.element(cell4).toHaveTextContent('col4');
 
-  await expect
-    .element(cell1)
-    .toHaveClass(`${cellClassname} ${cellFrozenClassname}`, { exact: true });
-  await expect
-    .element(cell2)
-    .toHaveClass(`${cellClassname} ${cellFrozenClassname}`, { exact: true });
+  await expect.element(cell1).toHaveClass(cellClassname, cellFrozenClassname, { exact: true });
+  await expect.element(cell2).toHaveClass(cellClassname, cellFrozenClassname, { exact: true });
   await expect.element(cell3).toHaveClass(cellClassname, { exact: true });
   await expect.element(cell4).toHaveClass(cellClassname, { exact: true });
 });
diff --git a/test/browser/column/headerCellClass.test.ts b/test/browser/column/headerCellClass.test.ts
index a143555952..3533915134 100644
--- a/test/browser/column/headerCellClass.test.ts
+++ b/test/browser/column/headerCellClass.test.ts
@@ -21,9 +21,7 @@ test('headerCellClass is either nullish or a string', async () => {
 
   await setup({ columns, rows: [] });
   await expect.element(headerCells.nth(0)).toHaveClass(cellClassname, { exact: true });
-  await expect
-    .element(headerCells.nth(1))
-    .toHaveClass(`${cellClassname} my-header`, { exact: true });
+  await expect.element(headerCells.nth(1)).toHaveClass(cellClassname, 'my-header', { exact: true });
 });
 
 test('columnGroup.headerCellClass is either nullish or a string', async () => {
@@ -41,7 +39,5 @@ test('columnGroup.headerCellClass is either nullish or a string', async () => {
 
   await setup({ columns, rows: [] });
   await expect.element(headerCells.nth(0)).toHaveClass(cellClassname, { exact: true });
-  await expect
-    .element(headerCells.nth(1))
-    .toHaveClass(`${cellClassname} my-header`, { exact: true });
+  await expect.element(headerCells.nth(1)).toHaveClass(cellClassname, 'my-header', { exact: true });
 });
diff --git a/test/browser/column/renderEditCell.test.tsx b/test/browser/column/renderEditCell.test.tsx
index 6cdc712ccc..bf2f716a79 100644
--- a/test/browser/column/renderEditCell.test.tsx
+++ b/test/browser/column/renderEditCell.test.tsx
@@ -1,6 +1,6 @@
 import { useMemo, useState } from 'react';
 import { createPortal } from 'react-dom';
-import { page, userEvent } from 'vitest/browser';
+import { page, server, userEvent } from 'vitest/browser';
 
 import { DataGrid } from '../../../src';
 import type { Column, DataGridProps } from '../../../src';
@@ -96,7 +96,7 @@ describe('Editor', () => {
     await userEvent.click(getCellsAtRowIndex(0).nth(0));
     const activeRowCells = getRowWithCell(page.getActiveCell()).getCell();
     await testCount(activeRowCells, 2);
-    await scrollGrid({ top: 2001 });
+    scrollGrid({ top: 2001 });
     await testCount(activeRowCells, 1);
     await expect.element(col1Editor).not.toBeInTheDocument();
     await expect.element(grid).toHaveProperty('scrollTop', 2001);
@@ -258,11 +258,19 @@ describe('Editor', () => {
 
       await userEvent.dblClick(page.getCell({ name: 'name0' }));
       await userEvent.keyboard('abc');
-
-      await scrollGrid({ top: 1500 });
+      if (server.browser === 'firefox') {
+        // When typing, Firefox scroll to the caret asynchronously,
+        // but does not to cancel the scroll task when calling `.scroll()` on the grid
+        // https://github.com/mozilla-firefox/firefox/blob/287c6cf323492ae0cc031e468c1d87f623413f50/dom/html/TextControlElement.cpp#L330
+        // https://github.com/mozilla-firefox/firefox/blob/287c6cf323492ae0cc031e468c1d87f623413f50/dom/base/Selection.cpp#L3828
+        await new Promise(requestAnimationFrame);
+        // Alternatively, configuring playwright's launchOptions.slowMo to 1 works,
+        // but slows down the tests.
+      }
+      scrollGrid({ top: 1500 });
       await userEvent.click(page.getCell({ name: 'name43' }));
       await expect.element(page.getActiveCell()).toHaveTextContent(/^name43$/);
-      await scrollGrid({ top: 0 });
+      scrollGrid({ top: 0 });
       await expect.element(page.getCell({ name: 'name0abc' })).toBeVisible();
     });
 
diff --git a/test/browser/column/summaryCellClass.test.ts b/test/browser/column/summaryCellClass.test.ts
index 35734cf12e..667b1257a9 100644
--- a/test/browser/column/summaryCellClass.test.ts
+++ b/test/browser/column/summaryCellClass.test.ts
@@ -35,7 +35,7 @@ test('summaryCellClass is a string', async () => {
   ];
   await setup({ columns, topSummaryRows, bottomSummaryRows, rows: [] });
   for (const cell of cells.all()) {
-    await expect.element(cell).toHaveClass(`${cellClassname} my-cell`, { exact: true });
+    await expect.element(cell).toHaveClass(cellClassname, 'my-cell', { exact: true });
   }
 });
 
@@ -48,10 +48,10 @@ test('summaryCellClass returns a string', async () => {
     }
   ];
   await setup({ columns, topSummaryRows, bottomSummaryRows, rows: [] });
-  await expect.element(cells.nth(0)).toHaveClass(`${cellClassname} my-cell-0`, { exact: true });
-  await expect.element(cells.nth(1)).toHaveClass(`${cellClassname} my-cell-1`, { exact: true });
-  await expect.element(cells.nth(2)).toHaveClass(`${cellClassname} my-cell-2`, { exact: true });
-  await expect.element(cells.nth(3)).toHaveClass(`${cellClassname} my-cell-3`, { exact: true });
+  await expect.element(cells.nth(0)).toHaveClass(cellClassname, 'my-cell-0', { exact: true });
+  await expect.element(cells.nth(1)).toHaveClass(cellClassname, 'my-cell-1', { exact: true });
+  await expect.element(cells.nth(2)).toHaveClass(cellClassname, 'my-cell-2', { exact: true });
+  await expect.element(cells.nth(3)).toHaveClass(cellClassname, 'my-cell-3', { exact: true });
 });
 
 test('summaryCellClass returns undefined', async () => {
diff --git a/test/browser/headerRowClass.test.ts b/test/browser/headerRowClass.test.ts
index a532b5a46b..cb3e8ceb20 100644
--- a/test/browser/headerRowClass.test.ts
+++ b/test/browser/headerRowClass.test.ts
@@ -28,7 +28,5 @@ test('headerRowClass is a string', async () => {
     rows,
     headerRowClass: 'my-header-row'
   });
-  await expect
-    .element(headerRow)
-    .toHaveClass(`${headerRowClassname} my-header-row`, { exact: true });
+  await expect.element(headerRow).toHaveClass(headerRowClassname, 'my-header-row', { exact: true });
 });
diff --git a/test/browser/keyboardNavigation.test.tsx b/test/browser/keyboardNavigation.test.tsx
index 46806e1f4d..0ecb8561e2 100644
--- a/test/browser/keyboardNavigation.test.tsx
+++ b/test/browser/keyboardNavigation.test.tsx
@@ -13,7 +13,7 @@ import {
 
 const activeCell = page.getActiveCell();
 const activeSelectAllCheckbox = activeCell.getSelectAllCheckbox();
-const activeSelectCheckbox = activeCell.getByRole('checkbox', { name: 'Select', exact: true });
+const activeSelectCheckbox = activeCell.getByRole('checkbox', { name: 'Select' });
 
 type Row = undefined;
 
@@ -279,13 +279,13 @@ test('navigation when active cell not in the viewport', async () => {
   await userEvent.keyboard('{Control>}{end}{/Control}{arrowup}{arrowup}');
   await validateCellPosition(99, 100);
   await expect.element(activeRowCells).not.toHaveLength(1);
-  await scrollGrid({ top: 0 });
+  scrollGrid({ top: 0 });
   await testCount(activeRowCells, 1);
   await userEvent.keyboard('{arrowup}');
   await validateCellPosition(99, 99);
   await expect.element(activeRowCells).not.toHaveLength(1);
 
-  await scrollGrid({ left: 0 });
+  scrollGrid({ left: 0 });
   await userEvent.keyboard('{arrowdown}');
   await validateCellPosition(99, 100);
 
@@ -293,7 +293,7 @@ test('navigation when active cell not in the viewport', async () => {
     '{home}{arrowright}{arrowright}{arrowright}{arrowright}{arrowright}{arrowright}{arrowright}'
   );
   await validateCellPosition(7, 100);
-  await scrollGrid({ left: 2000 });
+  scrollGrid({ left: 2000 });
   await userEvent.keyboard('{arrowleft}');
   await validateCellPosition(6, 100);
 });
diff --git a/test/browser/rowClass.test.ts b/test/browser/rowClass.test.ts
index 7b5659dab2..b2633432b7 100644
--- a/test/browser/rowClass.test.ts
+++ b/test/browser/rowClass.test.ts
@@ -19,9 +19,9 @@ test('rowClass is undefined', async () => {
     rows: initialRows,
     rowClass: undefined
   });
-  await expect.element(rows.nth(0)).toHaveClass(`${rowClassname} rdg-row-even`, { exact: true });
-  await expect.element(rows.nth(1)).toHaveClass(`${rowClassname} rdg-row-odd`, { exact: true });
-  await expect.element(rows.nth(2)).toHaveClass(`${rowClassname} rdg-row-even`, { exact: true });
+  await expect.element(rows.nth(0)).toHaveClass(rowClassname, 'rdg-row-even', { exact: true });
+  await expect.element(rows.nth(1)).toHaveClass(rowClassname, 'rdg-row-odd', { exact: true });
+  await expect.element(rows.nth(2)).toHaveClass(rowClassname, 'rdg-row-even', { exact: true });
 });
 
 test('rowClass returns a string', async () => {
@@ -32,13 +32,13 @@ test('rowClass returns a string', async () => {
   });
   await expect
     .element(rows.nth(0))
-    .toHaveClass(`${rowClassname} rdg-row-even my-row-0`, { exact: true });
+    .toHaveClass(rowClassname, 'rdg-row-even my-row-0', { exact: true });
   await expect
     .element(rows.nth(1))
-    .toHaveClass(`${rowClassname} rdg-row-odd my-row-1`, { exact: true });
+    .toHaveClass(rowClassname, 'rdg-row-odd my-row-1', { exact: true });
   await expect
     .element(rows.nth(2))
-    .toHaveClass(`${rowClassname} rdg-row-even my-row-2`, { exact: true });
+    .toHaveClass(rowClassname, 'rdg-row-even my-row-2', { exact: true });
 });
 
 test('rowClass returns undefined', async () => {
@@ -47,7 +47,7 @@ test('rowClass returns undefined', async () => {
     rows: initialRows,
     rowClass: () => undefined
   });
-  await expect.element(rows.nth(0)).toHaveClass(`${rowClassname} rdg-row-even`, { exact: true });
-  await expect.element(rows.nth(1)).toHaveClass(`${rowClassname} rdg-row-odd`, { exact: true });
-  await expect.element(rows.nth(2)).toHaveClass(`${rowClassname} rdg-row-even`, { exact: true });
+  await expect.element(rows.nth(0)).toHaveClass(rowClassname, 'rdg-row-even', { exact: true });
+  await expect.element(rows.nth(1)).toHaveClass(rowClassname, 'rdg-row-odd', { exact: true });
+  await expect.element(rows.nth(2)).toHaveClass(rowClassname, 'rdg-row-even', { exact: true });
 });
diff --git a/test/browser/utils.tsx b/test/browser/utils.tsx
index 381a80d023..6860786170 100644
--- a/test/browser/utils.tsx
+++ b/test/browser/utils.tsx
@@ -25,15 +25,9 @@ export async function validateCellPosition(columnIdx: number, rowIdx: number) {
   await expect.element(row).toHaveAttribute('aria-rowindex', `${rowIdx + 1}`);
 }
 
-export async function scrollGrid(options: ScrollToOptions) {
-  await new Promise((resolve) => {
-    // wait for browser state to stablize before scrolling, to avoid flaky scroll-related tests
-    requestAnimationFrame(() => {
-      const gridElement = page.getGrid().element();
-      gridElement.addEventListener('scrollend', resolve, { once: true });
-      gridElement.scroll(options);
-    });
-  });
+export function scrollGrid(options: ScrollToOptions) {
+  const grid = page.getGrid().element();
+  grid.scroll(options);
 }
 
 export function testCount(locator: Locator, expectedCount: number) {
diff --git a/test/browser/virtualization.test.ts b/test/browser/virtualization.test.ts
index d39bbf578f..01fa277812 100644
--- a/test/browser/virtualization.test.ts
+++ b/test/browser/virtualization.test.ts
@@ -102,50 +102,50 @@ test('virtualization is enabled', async () => {
   await assertHeaderCells(18, 0, 17);
   await assertRows(34, 0, 33);
   await assertCells(0, 18, 0, 17);
-  await scrollGrid({ top: 244 });
+  scrollGrid({ top: 244 });
   await assertRows(39, 2, 40);
 
-  await scrollGrid({ top: 245 });
+  scrollGrid({ top: 245 });
   await assertRows(38, 3, 40);
 
-  await scrollGrid({ top: 419 });
+  scrollGrid({ top: 419 });
   await assertRows(39, 7, 45);
 
-  await scrollGrid({ top: 420 });
+  scrollGrid({ top: 420 });
   await assertRows(38, 8, 45);
 
-  await scrollGrid({ top: 524 });
+  scrollGrid({ top: 524 });
   await assertRows(39, 10, 48);
 
-  await scrollGrid({ top: 525 });
+  scrollGrid({ top: 525 });
   await assertRows(38, 11, 48);
 
-  await scrollGrid({ top: 1000 });
+  scrollGrid({ top: 1000 });
   await assertRows(39, 24, 62);
 
   // scroll height = header height + row height * row count
   // max top = scroll height - grid height
-  await scrollGrid({ top: rowHeight + rowHeight * 100 - 1080 });
+  scrollGrid({ top: rowHeight + rowHeight * 100 - 1080 });
   await assertRows(34, 66, 99);
 
-  await scrollGrid({ left: 92 });
+  scrollGrid({ left: 92 });
   await assertHeaderCells(18, 0, 17);
   await assertCells(66, 18, 0, 17);
 
-  await scrollGrid({ left: 93 });
+  scrollGrid({ left: 93 });
   await assertHeaderCells(19, 0, 18);
   await assertCells(66, 19, 0, 18);
 
-  await scrollGrid({ left: 209 });
+  scrollGrid({ left: 209 });
   await assertHeaderCells(19, 0, 18);
   await assertCells(66, 19, 0, 18);
 
-  await scrollGrid({ left: 210 });
+  scrollGrid({ left: 210 });
   await assertHeaderCells(18, 1, 18);
   await assertCells(66, 18, 1, 18);
 
   // max left = row width - grid width
-  await scrollGrid({ left: 3600 - 1920 });
+  scrollGrid({ left: 3600 - 1920 });
   await assertHeaderCells(17, 13, 29);
   await assertCells(66, 17, 13, 29);
 });
@@ -157,13 +157,13 @@ test('virtualization is enabled with 4 frozen columns', async () => {
   await assertHeaderCellIndexes(indexes);
   await assertCellIndexes(0, indexes);
 
-  await scrollGrid({ left: 1000 });
+  scrollGrid({ left: 1000 });
   indexes = [0, 1, 2, 3, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25];
   await assertHeaderCellIndexes(indexes);
   await assertCellIndexes(0, indexes);
 
   // max left = row width - grid width
-  await scrollGrid({ left: 3600 - 1920 });
+  scrollGrid({ left: 3600 - 1920 });
   indexes = [0, 1, 2, 3, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29];
   await assertHeaderCellIndexes(indexes);
   await assertCellIndexes(0, indexes);
@@ -179,12 +179,12 @@ test('virtualization is enabled with all columns frozen', async () => {
   await assertHeaderCellIndexes(indexes);
   await assertCellIndexes(0, indexes);
 
-  await scrollGrid({ left: 1000 });
+  scrollGrid({ left: 1000 });
   await assertHeaderCellIndexes(indexes);
   await assertCellIndexes(0, indexes);
 
   // max left = row width - grid width
-  await scrollGrid({ left: 3600 - 1920 });
+  scrollGrid({ left: 3600 - 1920 });
   await assertHeaderCellIndexes(indexes);
   await assertCellIndexes(0, indexes);
 });
@@ -197,7 +197,7 @@ test('virtualization is enabled with 2 summary rows', async () => {
     26, 27, 28, 29, 30, 31, 102, 103
   ]);
 
-  await scrollGrid({ top: 1000 });
+  scrollGrid({ top: 1000 });
   await assertRowIndexes([
     0, 1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
     48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 102, 103
diff --git a/test/setupBrowser.ts b/test/setupBrowser.ts
index 1823974c50..51a332abc8 100644
--- a/test/setupBrowser.ts
+++ b/test/setupBrowser.ts
@@ -34,21 +34,19 @@ locators.extend({
   },
 
   getHeaderRow(opts?: LocatorByRoleOptions) {
-    return this.getByRole('row', defaultToExactOpts(opts)).and(
-      this.getBySelector('.rdg-header-row')
-    );
+    return this.getByRole('row', opts).and(this.getBySelector('.rdg-header-row'));
   },
 
   getHeaderCell(opts?: LocatorByRoleOptions) {
-    return this.getByRole('columnheader', defaultToExactOpts(opts));
+    return this.getByRole('columnheader', opts);
   },
 
   getRow(opts?: LocatorByRoleOptions) {
-    return this.getByRole('row', defaultToExactOpts(opts)).and(this.getBySelector('.rdg-row'));
+    return this.getByRole('row', opts).and(this.getBySelector('.rdg-row'));
   },
 
   getCell(opts?: LocatorByRoleOptions) {
-    return this.getByRole('gridcell', defaultToExactOpts(opts));
+    return this.getByRole('gridcell', opts);
   },
 
   getSelectAllCheckbox() {
@@ -68,19 +66,6 @@ locators.extend({
   }
 });
 
-function defaultToExactOpts(
-  opts: LocatorByRoleOptions | undefined
-): LocatorByRoleOptions | undefined {
-  if (opts != null && opts.exact == null && typeof opts.name === 'string') {
-    return {
-      ...opts,
-      exact: true
-    };
-  }
-
-  return opts;
-}
-
 beforeEach(async () => {
   // 1. reset cursor position to avoid hover issues
   // 2. force focus to be on the page
diff --git a/vite.config.ts b/vite.config.ts
index c9254e508a..eabc6bb119 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -123,6 +123,9 @@ export default defineConfig(
             }
           }
         },
+        locators: {
+          exact: true
+        },
         instances: [
           {
             browser: 'chromium',