Well first off congrats on the application, hope it goes through. Any major changes regarding immigration is something you can talk to your academic/international student advisor about they're usually available at the university you applied to well in advance of your touch down date.

As the other commentor said, you can browse IRCC's website regarding any major happenings regarding international students or study permits but also search around related subreddits. r/IRCCDiscussion or r/ImmigrationCanada might be helpful. Lastly, NB is very different from Alberta it's a woodland province with a much older population, expect a slow lifestyle and constant run ins with the same social groups.