Bump playwright from 1.63.0 to 1.64.1

Closed
DE
2d ago
+16-16

Bumps playwright from 1.63.0 to 1.64.1.

Release notes

Sourced from playwright's releases.

v1.64.1

Bug Fixes

  • #43247 [Bug]: _electron.launch intermittently loses a packaged app's first window since 1.64.0
  • #43242 [Regression]: Chromium 155+ aborts a preflighted cross-origin redirect whenever any route is registered (net::ERR_ABORTED)

v1.64.0

🧰 WebMCP

New page.webmcp and frame.webmcp give access to the tools that a page registers through the experimental WebMCP browser API, so you can test them like any other part of your app:

const browser = await chromium.launch({ args: ['--enable-features=WebMCP'] });
const page = await browser.newPage();
await page.goto('https://example.com');

for (const tool of await page.webmcp.tools())
console.log(tool.name, tool.description);


const result = await page.webmcp.callTool('add', { a: 2, b: 40 });
console.log(result.content[0].text); // "42"

Playwright MCP also supports WebMCP by default, with page-defined tools offered to the agent as webmcp_<tool>. Pass --no-webmcp to opt out.

playwright-cli exposes them as well:

playwright-cli webmcp-list
playwright-cli webmcp-call search_catalog --params '{"query":"cats"}'

🎬 Better videos

Videos can now be recorded at a custom frame rate, and the decorations for actions are styled with plain CSS:

// playwright.config.ts
import { defineConfig } from '@playwright/test';

export default defineConfig({
use: {
video: {
mode: 'on',
size: { width: 1920, height: 1080 },
fps: 60,
show: {
actions: {
style: {
point: 'width: 20px; height: 20px; border-radius: 50%; background: red',
</tr></table>

... (truncated)

Commits
  • cfe490d cherry-pick(#43353): docs: release notes for v1.64 Python
  • 866cbb8 chore: mark v1.64.1 (#43354)
  • 1b29247 cherry-pick(#43250): fix(electron): do not drop windows that have not navigat...
  • 632d976 cherry-pick(#43249): fix(chromium): disable AvoidCorsURLLoaderRestartOnRedirect
  • 824d0c5 cherry-pick(#43217): chore(dotnet): fix async suffix of optional-arg overload...
  • 606ecd8 cherry-pick(#43192): fix(locators): parse locators the way the client API bui...
  • e4f872c cherry-pick(#43188): feat(api): expose asLocatorDescription via LocalUtils fo...
  • f6a439e cherry-pick(#43189): docs(webmcp): expose WebMCP to all languages
  • e2335c3 cherry-pick(#43174): fix(mcp): do not close the browser twice when the client...
  • d2a436e cherry-pick(#43163): Revert "fix(blob): do not remove existing reports from o...
  • Additional commits viewable in compare view

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Summary by cubic

Updates playwright from 1.63.0 to 1.64.1. This adds support for testing WebMCP tools, custom video frame rates, and fixes a regression that caused Electron apps to lose their first window and Chromium to abort cross-origin redirects when routes were registered.