My https://github.com/rs/SDWebImage/pull/444 apparently wasn’t clean enough. I think subsequent work, which you can trace via the github issues (e.g. https://github.com/rs/SDWebImage/issues/466) seem to have brought about better solutions. Somehow tho, my fix remained in our branch. I recently diff’d our ‘barz-master’ branch vs the ‘rs:master’ and while a few things are kosher to keep, this should go to maintain closer parity with the upstream/master.