Two more new translations of Killing Commendatore appeared in November: the Finnish and Turkish versions.
The translator of the Turkish version is Ali Volkan Erdemir, and the publisher Doğan Kitap. The publisher page lists the number of pages as 848, so that clearly is a two-volume edition, as is the case with the English language version.
The Finnish translation, by Juha Mylläri, was published by Tammi. One of the online reviews said that the book is 800 pages long (thank you, Google Translate!), which means that the book must also include both volumes.
The second volume of my Polish translation came out last month from Muza. Here is the cover: