Given https://bugs.launchpad.net/ubuntu/+source/tzdata/+bug/2055718/comments/5, I don't think it's a regression in the update. Removing the regression-update tag.
Given https:/ /bugs.launchpad .net/ubuntu/ +source/ tzdata/ +bug/2055718/ comments/ 5, I don't think it's a regression in the update. Removing the regression-update tag.