https://forums.autodesk.com/t5/3ds-max-forum/max-2016-groups-cause-viewport-slowdown/m-p/5608415#M88736 <P>Yeah seems some general performance regression</P><P>i get 30fps with the scene loaded in Max 2014 ( grouped or not ), and similar with Max 2015</P><P>&nbsp;</P><P>BUT:</P><P>in Max 2016, working with the grouped scene is insanely slow. This is by far more problematic than the playback performance, it's almost unusable slow, so please report THAT problem as a regression. in Max 2015 everything happens in 1sec, in Max 2016 it takes somewhere beyond a minute ( did'nt measure exactly ). Seems mostly be connected to selecting/unselecting the group</P><P>&nbsp;</P><P>* Hardwarehittesting enabled/disabled does not influence the slowdown</P><P>* Toggling the new selection outline does'nt influence the problem</P><P>&nbsp;</P> Sun, 26 Apr 2015 06:11:00 GMT spacefrog_ 2015-04-26T06:11:00Z