If you are seeing "1.1.5" in a technical or error context, it most likely refers to:
: Pressing Windows Key + Tab triggers a "birds-eye" view of every active application. All Windows Appear 1.1.5
: On Form 4/4L 3D printers, this specific code indicates a hardware issue with the LevelSense board Go to product viewer dialog for this item. . If you are seeing "1
Form 4 and Form 4L generation error messages - Support | Formlabs All Windows Appear 1.1.5
: Users can hover over a window's maximize button to see a grid of where that window can "snap" alongside others.