Deadzone producing imaginary values

Product: Need for Speed: Unbound
Platform:Xbox Series X
Summarize your bug Controller deadzone in settings reverts to a new value when adjusted.
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? Pause>settings>controls>deadzone Adjust to 21%, 23%, 26% Close the game
What happens when the bug occurs? Deadzone reverts to a different value than the previously selected value. Values 21-21.5%, 23-23.5%, and 26-26.5% are all bugged. Values increase or decrease to an imaginary value when game is restarted, such as 21.33% or 23.66%
What do you expect to see? Each value should only be adjustable by increments of .5% ranging from 0-30.5%. Values should remain unchanged when saved in settings.

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Bug has been present since the game launched. Previous title (NFS Heat) did not have this issue when the deadzone setting was added. There may be other values in the deadzone range that are similarly bugged. It's become a hassle resetting the deadzone to default before every session just to retain the desired value. There is a noticeable difference in gameplay when values are inconsistent. This can be replicated on any platform.