Last year, during the core dev chat of May 29th, 2019, I proposed renaming the invalid and worksforme Trac ticket resolutions to something more friendly and less confusing. The reaction in the chat was unanimously positive, so this is now an official proposal for discussion.
The current interpretation of ticket resolutions, as per the Core Contributor Handbook:
Resolution: Upon one or more commits to the codebase, a ticket may be closed as fixed. Not all tickets result in a commit, however, and may be closed for other reasons:
duplicate: The ticket is a duplicate of an existing ticket, which will be referenced