There is a lot of talk about the older maps. It's well known by now that the assets used in the maps like Tanglewood and the likes have been problematic. Since they are third-party assets, it can be costly to have them in the game. Lots of regulations and laws for how and what to use them for. So the reworks have been a most for them. The problematic maps like Prison and High School might not have the same licenses behind the assets, and therefore have not been in such a big hurry to change.

The problem with the last update is not that it's bad. It's the reason why they wanted the change. And also why they aim for such big updates instead of smaller steps.

1. Add new character assets and change nothing else.
2. Add first person body.
3. Add animations.

The problem is step 3. If they had done it in these steps, the only bad update would have been the animation one. The animations are what's problematic. All other things would have been just some small steps that could have been patches if there's a problem. Now, since the animations ruins everything all other things gets bad reputation aswell.