More and more people choose to immigrate to Canada for reunion. What is its latest policy?

Parents' and grandparents' reunion immigrants reopened the Canadian parents' and grandparents' immigration project on 20 18 10/2, or by lottery. The winning rate is about 10%, and the number of reunited immigrants is still 20,000, of which 100 is allocated to applicants who participate in random lottery, and 100 is used to clear the backlog.