Please be aware that department consent has been removed for CS485 for Winter 2020 as per the information on the course selection page: https://cs.uwaterloo.ca/current-undergraduate-students/majors/cs-course-selection . If the class is full, then you will need to wait for students to drop the course before you could add the course for Winter 2020. Please note that the deadline to add courses is Friday, January 17, 2020 at 11:59 PM (EST): https://uwaterloo.ca/registrar/important-dates/calendar?year=2020&month=01&op=Apply&type=&audience=&combine= .
Unofficial blog for student announcements for the Cheriton School of Computer Science at the University of Waterloo