The task is a reference to issues with Flickr upload on Special:UploadWizard and other Flickr related:

(1) T358726: [wmf.20] UploadWizard - 'Add data' doesn't display thumbnail for Flickr-uploaded images
(2) T353083: UploadWizard: "Share images from Flickr" - Back button brings user to a dead-end form.
(3) T356952: [wmf.16] RecentChanges - Page edits filter times out for files tagged with uploadWizard tags