Update 04/25/19: This issue has been fixed as of 10:00 AM PDT. Hotkeys and window positions should now save properly. Please be sure to log out and log back in to see this fix!
Thank you for your patience!
The game team is aware that there is a current known issue regarding hotkeys resetting upon login.
The game team is investigating a fix for this issue and we will update this article when the issue has been resolved.
Thank you for your patience and understanding.