The IDE itself supports programming ladder diagrams, functional block diagrams, ... That would depend on what you mean by “Arduino”. If you’re talking an UNO, sure – it’s not all that ...

The Arduino Uno R4 is to have a Renesas RA4M1 32-bit Arm Cortex-M4 microcontroller, and there are "no plans to discontinue the popular Uno R3" , according. About Us; ... Renesas RA4M1 super-set block ...