Upcoming (2026) horror movie set in the 13th century and have dialog in Old English

https://www.hollywoodreporter.com/movies/movie-news/robert-eggers-direct-13th-century-werewolf-thriller-werwulf-1236114172/
After tackling vampires with Nosferatu, filmmaker
Robert Eggers is taking on another horror creature
genre in his own inimitable style.
Eggers has co-written Werwulf, a werewolf horror
project that he will direct as his next feature.
...
Eggers wrote Werwulf with Sjón, who co-wrote heady
Viking saga The Northman with the filmmaker. While
details are scarce, sources say the story is set in
13th century England. The script also features
dialogue that was true to the time period and has
translations and annotations for those uninitiated
in Old English.
...