I call that the OPPOSITE of a modern day internet headline. This was actually answered last month, but a lot of people are still asking about it and apparently we already had an official answer out of Big Jim. It turns out Chrysalis had a voice change for the astounding reason of... making her easier to understand. It turns out some people were worried that her modified buggy voice wouldn't be clear enough for some people to get.
Mystery SOLVED!
Now someone find out why Trixie got an extra eye dot. She always had one eye dot, even within the same season! Is it really Trixie? Or an IMPOSTER?
Thanks to Brawny Buck for the heads up.