: The update made it easier to manage complex scenes by allowing you to display only selected render layers, reducing clutter when working with massive environments. Performance Improvements :
The 2018 release cycle marked Maya's full transition to as the primary display engine, officially deprecating the "Legacy" viewports that had been part of the software for decades. Autodesk ships Maya 2018.4 and Maya LT 2018.4 - CG Channel Autodesk Maya 2018.4
: New options allow you to disable scene updates when moving clips, which significantly reduces lag in complex animations. : The update made it easier to manage