The check runs are lost after changing PR's base branch

Hi, I’ve noticed the check runs are lost (the history is preserved but they don’t appear on the details section) after changing PR’s base branch. Please check [7.59.x] AF-2880 : Support Elytron in Business Central by Rikkola · Pull Request #1132 · kiegroup/kie-wb-distributions · GitHub.
I guess this is a bug, isn’t it? is there any reason for that? is it well documented but I can’t just find it?