Only when scoring related options changed, one needs to refresh the scoreboard cache.
When you change a judging related option, you should rejudge affected submissions.
As a follow-up improvement we should add a rejudging filter for all relevant submissions (we already display it on individual submissions) and allow rejudging all affected with one button click.
As a follow-up improvement we should add a rejudging filter for all relevant submissions (we already display it on individual submissions) and allow rejudging all affected with one button click.