While modeling exhibition places like stadium or theaters we often need to work on several seating configurations. We used to do a lot manual adjustments to fill up all the spaces with the correct amount of seats. Especially on the corners, we were not able to get the interactivity provided by the curve modifier without experiencing some distortion...
With some of the brand new nodes introduced in the latest 3.0 alpha, we are now able to easily control the distribution, ensuring the same distance between each instance.
Here's quick video showing the basics of the setup: