Allow a Negative delay “per” articulation in an expression map which would be a really good feature especially for orchestral based patches that have different timings to them so they can line up on the grid. Many composers have to use one track for each articulation because of this limitation. Having it in an expression map would be a game changer.
This video shows why composers would want negative track delay and why they are currently forced to use a separate track for each patch instead of using keyswitch or expression maps for this approach: Why You Should Quantize + Negative Track Delays Explained - YouTube