For all the back and forth in French about Québécois vs traditional French, it's nothing compared to Spanish lmao. Every damn country has its own accent, grammar, and vocabulary. I'm a native speaker (Costa Rican) and struggle to understand Puerto Ricans and Spaniards more than anyone else.
Puerto Rican Spanish doesn't pronounce the letter S. Spaniards pronounce Z/C like th and use a different 2nd person if I'm not mistaken. My native dialect only really uses "usted"