Chrome 74 on Win hangs on startup using XLT's client-performance WebDriver


Due to an issue in Chrome 74 on Windows, browser tests using XLT’s client-performance WebDriver for Chrome (or any other test that loads a WebExtension which requires webRequest API permissions), might hang during browser startup.

Users of other Chrome/Chromium versions or users of a different OS such as Linux or Mac are not affected.

The issue is expected to be fixed in Chrome 75. In the meantime, one of the following workarounds might help:

xlt.webDriver.chrome_clientperformance.browserArgs = --disable-features=NetworkService
xlt.webDriver.chrome_clientperformance.browserArgs = --enable-features=NetworkServiceInProcess

Happy testing!