Thread:BunsenH/@comment-36960110-20190126023118/@comment-24577221-20190128040950

Qwertyxp2000 the second wrote: BunsenH, you cannot simply press the revert button to revert the background. You will have to manually download the old version of the background and then and only then use Special:ThemeDesigner. It worked fine for me. After I did the browser refresh to clear the cache, I saw the correct image.