I don't like how they nerfed chip damage across the board. It needed to be nerfed for Lao and Tanya, sure. But plenty of weak characters like Fisticuffs and Unbreakable relied on the high amount of chip in this game to be remotely viable variations.
A lot of these changes haven't actually nerfed the characters that needed to be nerfed, they just widened the gap between casual and competitive play. Quan still has absurd combos and mixups, you just need to manage your meter better. Jacqui has a good wakeup option to put her back in the neutral, but she is still trash in the neutral anyways. 4u4 was made an easier input, but it's still stupidly hard to perform for absolutely no reason, other than to warn people who want to pick this character to stay the hell away unless they enjoy putting in a ton of work for very little reward.
Kenshi got a couple issues fixed, some combos are easier, and they threw him some neat gimmicks. There's still absolutely no reason to pick that character. Same with Jason, same with Unbreakable, same with Goro, same with Ferra/Torr. They look all shiny and new, but the same issues that kept those characters from being good are still there. They're lazy fake buffs.
They nerfed Tremor and Tanya just so that KP2 would sell. No other reason. Nobody complained about Tremor. Nobody thought he was OP. Nobody thought he didn't require skill. They destroyed the character people paid money for so that people would shell out more money for Sektor. Tanya's rekka pressure was nerfed into oblivion so that people would buy Alien and use his rekka pressure. They got your money, they don't care about those characters or the people who play them. And now that everybody's bought KP2 it's time to nerf everyone in it, starting with Sektor because casual crybabies can't be patient.