Sourced from @​playwright/test's releases.

v1.48.0

WebSocket routing

New methods page.routeWebSocket() and browserContext.routeWebSocket() allow to intercept, modify and mock WebSocket connections initiated in the page. Below is a simple example that mocks WebSocket communication by responding to a "request" with a "response".

await page.routeWebSocket('/ws', ws => {
  ws.onMessage(message => {
    if (message === 'request')
      ws.send('response');
  });
});

See WebSocketRoute for more details.

UI updates

• New "copy" buttons for annotations and test location in the HTML report.
• Route method calls like route.fulfill() are not shown in the report and trace viewer anymore. You can see which network requests were routed in the network tab instead.
• New "Copy as cURL" and "Copy as fetch" buttons for requests in the network tab.

Miscellaneous

• Option form and similar ones now accept FormData.
• New method page.requestGC() may help detect memory leaks.
• New option location to pass custom step location.
• Requests made by APIRequestContext now record detailed timing and security information in the HAR.

Browser Versions

• Chromium 130.0.6723.19
• Mozilla Firefox 130.0
• WebKit 18.0

This version was also tested against the following stable channels:

• Google Chrome 129
• Microsoft Edge 129

• 0cdbb11 chore: mark v1.48.0 (#33009)
• ca368d4 cherry-pick(#32991): fix(routeWebSocket): do not show in the trace (#33004)
• c329c5c cherry-pick(#33005): chore(driver): roll driver to recent Node.js LTS version
• 97aaa12 cherry-pick(#32956): fix(fetch): listener leaks on Socket
• 0c17732 cherry-pick(#32949): feat(chromium): roll to r1140
• 530f043 cherry-pick(#32938): feat(firefox): roll to r1465
• 1054930 cherry-pick(#32924): docs: fix Java/.NET types for docs rolling
• e732f68 cherry-pick(#32906): feat(chromium): roll to r1139
• dfa0e8b cherry-pick(#32905): chore: remove 'screenshot instead of snapshot' usages
• 7155356 cherry-pick(#32880): chore: unflake 'should record'
• Additional commits viewable in compare view

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