v1.64.1

microsoft/playwrightv1.64.1Oct 14, 2026by dgozman

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AI Summary

This release addresses critical bug fixes affecting Electron applications and Chromium browser compatibility. It resolves an issue where Electron apps lose their first window and fixes a regression with cross-origin redirects in Chromium 155+.

Key Highlights

  • Fixed electron.launch intermittently losing the first window of packaged apps.
  • Resolved regression where Chromium 155+ aborts preflighted cross-origin redirects when a route is registered.
  • Addressed issues affecting applications running on Chromium versions 155 and above.

Full Release Notes

### 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)

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