[dependabot]

Updated Microsoft.Playwright from 1.63.0 to 1.64.1.

Release notes

Sourced from Microsoft.Playwright's releases.

1.64.1

Highlights

#​3391 - chore(driver): bump bundled Node.js to 24.22.1

Browser Versions

• Chromium 156.0.8078.4
• Mozilla Firefox 157.0
• WebKit 27.2

This version was also tested against the following stable channels:

• Google Chrome 155
• Microsoft Edge 155

1.64.0

🧰 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:

var browser = await playwright.Chromium.LaunchAsync(new() { Args = new[] { "--enable-features=WebMCP" } });
var page = await browser.NewPageAsync();
await page.GotoAsync("https://example.com");

foreach (var tool in await page.Webmcp.ToolsAsync())
    Console.WriteLine($"{tool.Name}: {tool.Description}");

var result = await page.Webmcp.CallToolAsync("add", new { a = 2, b = 40 });
Console.WriteLine(result?.GetProperty("content")[0].GetProperty("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:

await page.Screencast.StartAsync(new()
{
    Path = "video.webm",
    Size = new() { Width = 1920, Height = 1080 },
    Fps = 60,
});
await page.Screencast.ShowActionsAsync(new()
{
    Style = new()
    {
        Point = "width: 20px; height: 20px; border-radius: 50%; background: red",
        Highlight = "outline: 2px solid #​333; background: rgba(0, 128, 255, .15)",
        Title = "font-size: 16px",
    },
});

• New RecordVideoFps option and new Fps option in Screencast.StartAsync(). Firefox and WebKit currently capture up to 25 frames per second.
• New Style option takes CSS declarations for the Point marker, the target Highlight and the action Title. It replaces the FontSize option, which is now deprecated.
  ... (truncated)

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