The dimensioning tool became more intelligent, allowing users to hover over objects to see a preview of the dimension before placing it.

The 2016 version introduced a "fit and finish" approach, refining existing tools rather than adding major new features.

A highly requested feature that allows snapping to the center of any closed shape, like a polygon or triangle. Critical Service Pack 1 (SP1) Fixes SP1 is essential for modern system stability:

Output PDFs are significantly faster to generate and feature searchable text and functional hyperlinks.

Graphic improvements removed the stuttering and frequent "regens" previously experienced when moving or copying large selection sets in 2D wireframe mode.

Circles and arcs appear as true vector curves rather than polygons, regardless of zoom level, thanks to a more robust graphics engine.

Autodesk AutoCAD 2016 Service Pack 1 (SP1) is widely considered a "maintenance" release that focuses heavily on stability and modern OS compatibility. For users in 2022 or beyond, its primary value lies in being the first version to officially support , provided SP1 is installed. Core Performance & Graphics