The New Page Patrol Browser (https://tools.wmflabs.org/nppbrowser/) has a "keyword or username" search functionality that is very useful to patrollers that prefer to review certain kinds of articles. It has recently been suggested that AfC would also like to have this kind of functionality.
However, the New Pages Feed does not have Keyword search (which is where AfC reviewers are now going to sort through drafts. NPP would also like to have a Keyword search functionality as well. Username searching would also be useful, ans has also been requested in the past.