Playwright - v1.20.0

Highlights

• New options for methods page.screenshot(), locator.screenshot() and elementHandle.screenshot():
• Option animations: "disabled" rewinds all CSS animations and transitions to a consistent state.
• Option mask: Locator[] masks given elements, overlaying them with pink #FF00FF boxes.
• expect().toMatchSnapshot() now supports anonymous snapshots: when snapshot name is missing, Playwright Test will generate one
  automatically:

js expect('Web is Awesome <3').toMatchSnapshot();
- New maxDiffPixels and maxDiffPixelRatio options for fine-grained screenshot comparison using expect().toMatchSnapshot():

js expect(await page.screenshot()).toMatchSnapshot({ maxDiffPixels: 27, // allow no more than 27 different pixels. });

It is most convenient to specify maxDiffPixels or maxDiffPixelRatio once in TestConfig.expect.
- Playwright Test now adds TestConfig.fullyParallel mode. By default, Playwright Test parallelizes between files. In fully parallel mode, tests inside a single file are also run in parallel. You can also use --fully-parallel command line flag.

ts // playwright.config.ts export default { fullyParallel: true, };

• TestProject.grep and TestProject.grepInvert are now configurable per project. For example, you can now
  configure smoke tests project using grep:
  ts // playwright.config.ts export default { projects: [ { name: 'smoke tests', grep: '@smoke', }, ], };
• Trace Viewer now shows API testing requests.
• locator.highlight() visually reveals element(s) for easier debugging.

Announcements

• We now ship a designated Python docker image mcr.microsoft.com/playwright/python. Please switch over to it if you use Python. This is the last release that includes Python inside our javascript mcr.microsoft.com/playwright docker image.
• v1.20 is the last release to receive WebKit update for macOS 10.15 Catalina. Please update MacOS to keep using latest & greatest WebKit!

Browser Versions

• Chromium 101.0.4921.0
• Mozilla Firefox 97.0.1
• WebKit 15.4

This version was also tested against the following stable channels:

• Google Chrome 99
• Microsoft Edge 99