Legal is interested in better understanding the use of cookies and local storage on the Wikimedia sites. We currently have a Cookie statement that describes how certain cookies are used on the Wikimedia sites but we understand that this list may not be inclusive of all cookies and local storage, such as those created by the community.
We would like to develop tools to help us inventory all cookies and local storage usage so that we can better understand their usage and document them.
Full details: https://www.mediawiki.org/wiki/Requests_for_comment/Survey_Cookies/Local_Storage_on_Wikimedia