Official announcement, Lufthansa are doing 6 flights weekly (no flight on Saturday) on an A319 starting 3 Feb 2020:
https://www.newcastleairport.com/new...le-and-munich/
MUC 11:50-12:55 NCL
NCL 13:40-16:40 MUC
Despite what the press release says, flights are not yet available for booking on LH's site.