All it takes is opening the LiveCamera.txt file in your Documents>Cameras folder with a text editor and changing these two parameters near the bottom to a higher value. Doesn’t matter if you're using a custom camera mod or not. Those parameters should be there. I have set mine like this (remember to save a backup just in case you don't like these changes).

It might seem a bit extreme, but I still think it’s fine.

-The top parameter, floorheightsamplerange, handles how much the floors “extend out”, so the camera object can stand on it mid-air. The higher it is, the further the floor will extend. This will make it so your camera will be able to stick to the floor you’re on, even if you pan away from the building. No more annoying jumps up and down!

-The parameter below that, floorheightsampleinnerrange, handles the transition between sticking to the current floor and dropping to the ground level once it goes past the edge. The higher it is, the smoothest the fall will be.

I’ll note though that the behaviour of these parameters might not be 100% accurate with how the game actually works, but from what I tested I think it’s pretty close as an explanation. If someone knows better how this Live Camera works, please let me know and I’ll try my best to correct any inaccuracies.

Save the .txt file and check how it works in game. It might feel weird at first, but personally I find it so much smoother and easier to handle. If you’re not happy with these values, close the game and edit those parameters until you find your sweet spot. Unfortunately, you will have to close and open the game every time you change it to check how it works.

There’s so many cool Custom Camera mods out there that I thought it’s probably better to just show how to edit those 2 parameters than editing and reuploading all of them.