Rheinmetall is developing the XM1176 System which provides programmable high velocity 40mm rounds which increase first round hit probability and can be used to defeat targets in defilade.
In this photo you can see the fire control system to the right. It communicates with the computer attached to the weapon at the lower left and then sends the solution to the round as via the IR transmitter mounted above the barrel.
The system can store up to six air burst munition profiles. Additionally, there is a 75m arming distance and internal self-destruct mechanism.