New Xbox Series X/S Background Is A Pulsating Blob From The Past Share Filed to:blob All glory to the hypno-blob. (Gif: Microsoft / Kotaku) Rolling out with the May Xbox Series X/S update that includes important updates to that handy Quick Resume feature, “The Original” dynamic theme marks the return of the glowing green glob of Flubber from the original Xbox’s startup and dashboard. Those of you old enough to remember the original Xbox know that weird amorphous blob and its moving grid background very well. Here’s a refresher for the youngins. The Original dynamic theme doesn’t quite dominate the screen when active, but even in the background it serves as a hypnotic reminder of days gone by.