Bug Fixes

• [SECURITY] Backported an upstream Node.js fix where StartCom and WoSign certificates
  are now rejected when making HTTPS requests. #9499
• Fixed an issue where sandboxed renderer process would throw remote errors
  when reloaded. #9505
• The built-in PDF viewer plugin is now disabled if the plugins setting
  is disabled on the BrowserWindow. #9564
• Backported an upstream Chrome fix where media requests would not be cached
  properly. #9586
• Backported an upstream Chrome fix where the backspace character did not
  delete the last character in certain keyboard layouts. #9586