On Thu, Jun 09, 2022 at 09:49:31AM +0000, Schmidt, Bernhard wrote: > /usr/share/zoneinfo/leap-seconds.list is provided by the tzdata > package. That one would need to be updated in Buster. Thank you, forgot to verify that. > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1012191 And there is already a bug report. Great.