There has been speculation, with Covid uppermost, that the 2021 edition of this transmitted-worldwide event, Riccardo Muti conducting it this time around, will not take place. A glance at the orchestra’s website…

https://www.wienerphilharmoniker.at/new-years-concert/new-years-concert-main

… suggests that no news is good news. Hopefully it will be the regular Prosit Neujahr.