Athletes can share their opinions in interviews and news conferences, as well as through digital, traditional and social media. They can also demonstrate peacefully on the field as long as the competition has not begun (i.e. kneeling before the game).
Athletes cannot do any of the above during a competition, within the Olympic Village or during official ceremonies (i.e. medal, opening, closing). They also cannot be “disruptive.”
Discipline will come on a case-by-case basis, taking various factors such as degree of disruption into account, but the exact range of punishments is vague.
What they’re saying: Some question whether the updated rule is merely cosmetic, and perhaps even hypocritical.