Explain loss of `available_log_types`/`logs` in Chrome driver

lib/capybara/selenium/driver_specializations/chrome_driver.rb

@@ -1,8 +1,14 @@
 # frozen_string_literal: true
 
 require 'capybara/selenium/nodes/chrome_node'
+require 'capybara/selenium/patches/logs'
 
 module Capybara::Selenium::Driver::ChromeDriver
+  def self.extended(base)
+    bridge = base.send(:bridge)
+    bridge.extend Capybara::Selenium::ChromeLogs unless bridge.respond_to?(:available_log_types)
+  end
+
   def fullscreen_window(handle)
     within_given_window(handle) do
       begin

lib/capybara/selenium/patches/logs.rb

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+module Capybara
+  module Selenium
+    module ChromeLogs
+      LOG_MSG = <<~MSG
+        Chromedriver 75+ defaults to W3C mode. The W3C webdriver spec does not define methods for accessing \
+        logs or log types. If you need to access the logs, in the short term, you can configure you driver to not use the W3C mode. \
+        It is unknown how long non-W3C mode will be supported by chromedriver (it won't be supported by selenium-webdriver 4+) \
+        so you may need to consider other solutions in the near future.
+      MSG
+
+      def method_missing(meth, *) # rubocop:disable Style/MissingRespondToMissing
+        raise NotImplementedError, LOG_MSG if %i[available_log_types log].include? meth
+
+        super
+      end
+    end
+  end
+end

spec/selenium_spec_chrome.rb

@@ -121,4 +121,20 @@ RSpec.describe 'Capybara::Session with chrome' do
       expect(session).to have_current_path('/form')
     end
   end
+
+  describe 'log access' do
+    before { skip 'Only makes sense in W3C mode' unless ENV['W3C'] }
+
+    it 'errors when getting log types' do
+      expect do
+        session.driver.browser.manage.logs.available_types
+      end.to raise_error(NotImplementedError, /Chromedriver 75\+ defaults to W3C mode/)
+    end
+
+    it 'errors when getting logs' do
+      expect do
+        session.driver.browser.manage.logs.get(:browser)
+      end.to raise_error(NotImplementedError, /Chromedriver 75\+ defaults to W3C mode/)
+    end
+  end
 end