A standard is usually something that is very good and that is used to make judgments about the quality of other things. I guess we can give pioneer credit there but is it at a ‘high’ standard now? They have good mixers and they have good all in ones like the xz and rx3 but the cdj line right now is of a standard that almost any dj product can easily rise above.
Here are some things I like about the rx3.
1 Effects for on screen use.
Here’s a discussion I tried to start awhile back Jan 2019. Prime ecosystem and it's potential
2 Pad fx. Pad fx are fun to play with.
Here’s something that can be done on the pads. https://community.enginedj.com/t/key-change-pad-mode/12904 https://community.enginedj.com/t/key-changing-by-pads/13810
Those are the only 2 things that I can think of that pioneer is incrementally adding to their standalone ecosystem. Other than good music filtering everything is just relatively basic. More like a baseline of what it required to dj. Nothing more nothing less, just a standard set of functions.