Check usage of /app/views/projects/milestones/update.js.haml
As we are targeting to have all legacy JS eval of JS templates replaced by an up-to-date implementation, we should recheck the current implementation of
Please check if the file can either be deleted right away or how hard it is to port the current code to an actual JS solution. In this specific case I would suggest simply delete as it is just a fade out animation and check if we are able to do so safely.
Collection issue - #21320