The immutability of God is a strong ground of consolation and encourages hope and confidence.
Father, please guide them to run for the course of eternal immutability.
Structural sharing relies on the data's immutability to make sharing possible between the old and new instances of the data.
Wherein God, willing more abundantly to shew unto the heirs of promise the immutability of his counsel, confirmed it by an oath.
This is by design, since having a DTO write back to e.g. a domain model would (among other things) take away its immutability, and is often considered an anti-pattern.