When you update your ChromeDriver to version 75 or beyond, you might get w3c errors in your tests.

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For example, reading the browser console for errors no longer works, and page.driver.browser.manage.logs.get(:browser) will raise an error like "undefined method `log' for #<Selenium::WebDriver::Remote::W3C::Bridge:0x000055903f307aa8>".

Add options.add_option('w3c', false) to your Selenium configuration (e.g. features/support/selenium.rb) and you should be back to normal:

Capybara.register_driver :selenium do |app|
  options = Selenium::WebDriver::Chrome::Options.new(args: %w[--disable-infobars])
  options.add_option('w3c', false)
  Capybara::Selenium::Driver.new(app, browser: :chrome, options: options)
end