Hi, The subj is available at https://docs.google.com/document/d/1_gQ3BONhKVR2hFlDTShtdx1vHkbVTcLE3b-nrNFwGDI
The work on the document is still in progress, but one can get an idea what it's about from the sections already available. As usual, your feedback is highly appreciated! Best regards, Alexey
