So far, the following MCŽs have been released
MC03 (Monstrous Compendium Forgotten Realms Appendix)
MC10 (Monstrous Compendium Ravenloft Appendix)
MC11 (Monstrous Compendium Forgotten Realms Appendix II)
MC15 (Monstrous Compendium Ravenloft Appendix II)
So if you want to report some bugs or give some feedback - please do so here. IŽll try to fix stuff as fast as i can :)
Happy hunting!