In 2006, the COC opened its new opera house with an all-new production of Wagner's Der Ring des Nibelungen.

[4] In October 2008, Johannes Debus made his debut with the COC as a conductor in a production of Prokofiev's War and Peace, where he earned critical acclaim.

[6] Sandra Horst, who runs the University of Toronto's Opera Division,[7] has long served as the company's chorus master.

[11] In June 2024, Perryn Leech left and was replaced as general director by David C. Ferguson, a retired banker and accountant.

[12] Due to the global COVID-19 pandemic, the Canadian Opera Company cancelled all live in-person performances for the 2020/2021 season.

[9] The operas originally planned for that season were Parsifal, The Marriage of Figaro, Carmen, Katya Kabanova, La Traviata, and Orfeo ed Euridice.