Short answer: not really — frame rust/drainage problems are still a concern, and it doesn’t appear Toyota has “solved” them fully (as of publicly available info). But the risks and severity may differ between the 2017 (5th-gen) and 2025 (6th-gen) models. Here’s a breakdown of what I found, and...
Always get a 4x4 in Canada, no matter the province.
When it snows, you either get very religeous or have a lot of fun 4x4ing around other cars.
Don't cheap out. Out of 8 cars I owned over the years, only 4x4s provided the safety for a long life.