No, just the Rav 4 in all versions. I wonder if the engines were built in Ontario or if they come from Japan, to be installed in Canada?
It appears that this is more than just a head gasket problem, but actual block failure. Engine Failure Threatens Some 2019-20 Toyota Models - The Car Guide
Porous casting. Affects about 4 model lines and about 30k vehicles in all. Not just hybrids. Not just Rav4s. Announced 2/6/20
Toyota is recalling 52,000 vehicles in North America over a heightened risk for coolant leakage, which could lead to engine overheating and damage, possibly stalling and even a fire. The recall covers the 2020-model-year Toyota Camry, Camry Hybrid and Lexus ES 300h models; as well as 2019- and 2020-model-year Toyota RAV4 and RAV4 Hybrid SUVs. In the United States, around 44,000 vehicles may be affected; in Canada, that number is 8,214 cars and trucks.