MADDPG not supporting MultiDiscrete action-spaces?

Hello everyone,

Simple question here, why can’t we use MultiDiscrete action-spaces in MADDPG but box actions-spaces are fine? I know DDPG is supposed to work in continuous action spaces but it seems discrete action-spaces are supported for MADDPG here : RLlib Algorithms — Ray v2.0.0.dev0

Maybe I could add my own multidiscrete support? Maybe it is just not a good idea to use maddpg on multidiscrete action spaces?

Thanks in advance!