My son had installed MacOs Tahoe and we looked into compatability with Traktor 4 albeit version 4.11.23. We played around for about an hour or so. Everything worked fine. Stems, filters, adding to collection, show in finder, sync, the basic stuff. Now, pay attention, this is version 4.11.23, not 4.20.34. The Traktor Kontrol S2 had no issues whatsoever.
Do with this information whatever you want. While I don't intend to install Tahoe just yet because of Traktor, I'm not going to be waiting around for months for NI to finally give their verdict.