Was initially set for release in Denmark on October 1st 2020, but filming in the Czech Republic was interrupted in March 2020 due to the COVID-19 pandemic (resuming and completing over the summer) and the film was pushed back to early February 2021, before being brought forward slightly to January 21st and finally pushed back again to May 27th.
Despite being massive commercial and critical successes, author Jussi Adler-Olsen was unhappy with the adaptations of the first four novels of the series and thus entrusted the film rights to the next novels to another production company, resulting in the change of cast.