User blog comment:MisterWoodhouse/Social Activity, the 2010 Editor, and Unpausing Migrations/@comment-5558012-20201029205443/@comment-5558012-20201030022743

After some testing I can confirm User:.../wikia.js /wikia.css does not work following migration. You must move your styling to User:.../oasis.js /oasis.css to continue to use personal, wiki-specific styling. Not sure if this was intentional or a forgotten part of the migration.