Symbol keys are currently lost when cloning objects in _changeImmutable. It should be possible to add support by substituting for...in with Reflect.ownKeys. This would be a breaking change in terms of platform compatibility, but I think ES2015 is a reasonable baseline for a library in 2024.
Symbol keys are currently lost when cloning objects in
_changeImmutable. It should be possible to add support by substitutingfor...inwithReflect.ownKeys. This would be a breaking change in terms of platform compatibility, but I think ES2015 is a reasonable baseline for a library in 2024.