Feature summary (what you would like to be able to do and where):
This link to my post in English Wikisource Scriptorium best describes the problem which I am told originates from a cookie.
Use case(s) (list the steps that you performed to discover that problem, and describe the actual underlying problem which you want to solve. Do not describe only a solution):
The requested information in the link above.
Benefits (why should this be implemented?):
Blinking lights are very distracting wile editing, and could be dangerous for others.
Sorry if I can't add additional info.