In the world of deep-sea salvage, "imposing" usually meant a wreck was over a hundred meters long. But the "plus 5.2" was a code Elias hadn't seen in a decade. It referred to the anomalous displacement—the amount of reality a thing took up that it shouldn't.
For a long time, Acrobat on Windows was a 32-bit application. When Adobe transitioned to a 64-bit version of Acrobat DC quite imposing plus 5.2