[dependabot]

Updated Microsoft.Playwright from 1.58.0 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)

1.63.0

🪟 Locate across frames

Page.FrameLocator() and Frame.FrameLocator() called without a selector search in any frame of the
subtree, so you no longer need to locate the iframe first:

// Finds the button in any frame on the page.
await Page.FrameLocator().GetByRole(AriaRole.Button).ClickAsync();

The rest of the locator resolves inside a single frame, just like a regular locator, and an error is thrown when it
matches elements in several frames.

👁️ Visible-only locators

New Locator.Visible returns a locator that matches only visible elements. It is the recommended
replacement for the :visible CSS pseudo-class:

await Page.Locator("button").Visible.ClickAsync();

🖼️ Aria and screen snapshots in traces

New AriaSnapshots and ScreenSnapshots options of Tracing.StartAsync() capture an aria snapshot and a screenshot of the page on every action:

await context.Tracing.StartAsync(new()
{
  Snapshots = true,
  AriaSnapshots = true,
  ScreenSnapshots = true
});

With aria and screen snapshots recorded, the new Display Aria mode in the trace viewer shows the action screenshot
side by side with the aria snapshot, and hovering an aria node highlights it on the screenshot.

New APIs

Browser and Context

• HttpCredentialsList now also accepts an array of credentials. The first entry matching the request origin is used, and entries without an origin match any request.
• New option Opfs includes the origin private file system in the storage state, so it can be persisted and restored into later contexts.
• New events Page. DialogClosed and BrowserContext. DialogClosed are emitted when a JavaScript dialog is accepted, dismissed or closed by the user.

Command line

• pwsh bin/Debug/netX/playwright.ps1 install --no-remove keeps the browsers of other Playwright installations instead of removing them.
• pwsh bin/Debug/netX/playwright.ps1 codegen --http-credentials records against pages behind HTTP authentication.

Announcements

... (truncated)

1.62.0

🖼️ WebP screenshots

page.screenshot() and locator.screenshot() can now capture screenshots in the WebP format — Playwright infers the format from a .webp file extension, or you can set the type explicitly. Quality 100 (the default) is lossless, while lower values use lossy compression:

await Page.ScreenshotAsync(new() { Path = "homepage.webp", Quality = 50 });

New APIs

• New Scroll option (Auto | None) on actions to opt out of Playwright's automatic scroll-into-view.
• New Locator.WaitForFunctionAsync() waits until a function — called with the matching element — returns a truthy value.
• New APIResponse.TimingAsync() returns resource timing information for an API response.

Announcements

• 📋 The clipboard is now isolated from the operating system in headless mode, so tests that use navigator.clipboard no longer read or overwrite the clipboard of the machine running them.
• ⚠️ Debian 11 is not supported anymore.

Browser Versions

• Chromium 151.0.7922.34
• Mozilla Firefox 153.0
• WebKit 26.5

This version was also tested against the following stable channels:

• Google Chrome 151
• Microsoft Edge 151

1.61.0

🔑 WebAuthn passkeys

New Credentials virtual authenticator, available via BrowserContext.Credentials, lets tests register passkeys and answer navigator.credentials.create() / navigator.credentials.get() ceremonies in the page — no real hardware key required, works in all browsers:

var context = await browser.NewContextAsync();

// Seed a passkey your backend provisioned for a test user.
await context.Credentials.CreateAsync("example.com", new()
{
    Id = credentialId,
    UserHandle = userHandle,
    PrivateKey = privateKey,
    PublicKey = publicKey,
});
await context.Credentials.InstallAsync();

var page = await context.NewPageAsync();
await page.GotoAsync("https://example.com/login");
// The page's navigator.credentials.get() is answered with the seeded passkey.

You can also let the app register a passkey once in a setup test, read it back with Credentials.GetAsync(), and seed it into later tests — see Credentials for details.

🗃️ Web Storage

New WebStorage API, available via Page.LocalStorage and Page.SessionStorage, reads and writes the page's storage for the current origin:

await page.LocalStorage.SetItemAsync("token", "abc");
var token = await page.LocalStorage.GetItemAsync("token");
var items = await page.SessionStorage.ItemsAsync();

New APIs

• APIResponse.SecurityDetailsAsync() and APIResponse.ServerAddrAsync() mirror the browser-side Response.SecurityDetailsAsync() and Response.ServerAddrAsync().
• New option ArtifactsDir in BrowserType.ConnectOverCDPAsync() controls where artifacts such as traces and downloads are stored when attached to an existing browser.
• New option Cursor in Screencast.ShowActionsAsync() controls the cursor decoration rendered for pointer actions.
• The OnFrame callback in Screencast.StartAsync() now receives a Timestamp of when the frame was presented by the browser.

🛠️ Other improvements

• Playwright now supports Ubuntu 26.04.
• HAR and trace recordings now include WebSocket requests.

Browser Versions

• Chromium 149.0.7827.55
• Mozilla Firefox 151.0
• WebKit 26.5

This version was also tested against the following stable channels:
... (truncated)

1.60.0

💬 Custom assertion messages

Expect() overloads now accept a custom message that is prepended to any failure, giving extra context in test reports:

await Expect(page.Locator("#status"), "Should be logged in").ToBeVisibleAsync();

When the assertion fails, the message is prefixed:

Should be logged in
Locator expected to be visible

🌐 HAR recording on Tracing

Tracing.StartHarAsync() / Tracing.StopHarAsync() expose HAR recording as a first-class tracing API, with the same Content, Mode and UrlFilter options as RecordHar:

await context.Tracing.StartHarAsync("trace.har");
var page = await context.NewPageAsync();
await page.GotoAsync("https://playwright.dev");
await context.Tracing.StopHarAsync();

🪝 Drop API

New Locator.DropAsync() simulates an external drag-and-drop of files or clipboard-like data onto an element. Playwright dispatches dragenter, dragover, and drop with a synthetic [DataTransfer] in the page context — works cross-browser and is great for testing upload zones:

await page.Locator("#dropzone").DropAsync(new() {
    Files = new FilePayload() {
        Name = "note.txt",
        MimeType = "text/plain",
        Buffer = Encoding.UTF8.GetBytes("hello"),
    },
});

await page.Locator("#dropzone").DropAsync(new() {
    Data = new Dictionary<string, string> {
        ["text/plain"] = "hello world",
        ["text/uri-list"] = "https://example.com",
    },
});

🎯 Aria snapshots

• Expect(page).ToMatchAriaSnapshotAsync() now works on a Page, in addition to a Locator — equivalent to asserting against Page.Locator("body").
• New Boxes option on Locator.AriaSnapshotAsync() / Page.AriaSnapshotAsync() appends each element's bounding box as [box=x,y,width,height], useful for AI consumption.
  ... (truncated)

1.59.0

🎬 Screencast

New Page.Screencast API provides a unified interface for capturing page content with:

• Screencast recordings
• Action annotations
• Visual overlays
• Real-time frame capture
• Agentic video receipts

Screencast recording — record video with precise start/stop control, as an alternative to the recordVideoDir option:

await page.Screencast.StartAsync(new() { Path = "video.webm" });
// ... perform actions ...
await page.Screencast.StopAsync();

Action annotations — enable built-in visual annotations that highlight interacted elements and display action titles during recording:

await page.Screencast.ShowActionsAsync(new() { Position = "top-right" });

ShowActionsAsync accepts Position ("top-left", "top", "top-right", "bottom-left", "bottom", "bottom-right"), Duration (ms per annotation), and FontSize (px). Returns a disposable to stop showing actions.

Visual overlays — add chapter titles and custom HTML overlays on top of the page for richer narration:

await page.Screencast.ShowChapterAsync("Adding TODOs", new() {
    Description = "Type and press enter for each TODO",
    Duration = 1000,
});

await page.Screencast.ShowOverlayAsync("<div style=\"color: red\">Recording</div>");

Real-time frame capture — stream JPEG-encoded frames for custom processing like thumbnails, live previews, AI vision, and more:

await page.Screencast.StartAsync(new() {
    OnFrame = frame => SendToVisionModel(frame.Data),
});

... (truncated)

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