Dota Pro Circuit team registration is now open. This is the final roster change window before The International. https://t.co/s1nYtnaOAN
— DOTA 2 (@DOTA2) January 9, 2018
Teams cannot be changes before the International. The new changes initiated by Valve definitely have brought about a lot of stability to the rosters. The players are assigned the points and as a result, the teams are unwilling to make big roster changes to their teams.