Since February when our publication appeared in in Angewandte Chemie, there has been a lot of interest in Ni(COD)(DQ), new air-stable Ni(0) precatalyst. Those interested in trying out this precatalyst in their own chemistry can now purchase it from MilliporeSigma:

https://www.sigmaaldrich.com/catalog/product/aldrich/912794?lang=en&region=US.