The single most transformative feature of Autodesk Maya 2019.1 is the Parallel Evaluation Mode. Traditionally, Maya evaluated node graphs—connections between constraints, deformers, and transforms—on a single CPU thread. This meant that complex rigs with hundreds of controllers (like detailed facial rigs or full-body mechanical setups) would choke the main thread, causing stuttering playback.

No software is perfect. While Maya 2019.1 was a strong update, it had its shortcomings:

You can now copy relative curve offsets. If you have a complex wrist rotation curve and want to apply the same shape to a finger controller, you can copy the curve shape without copying the absolute values—a massive time-saver for character rigging.

Maya 2019.1 shipped with Arnold 5.2.1, which brought: