This is likely a spec relaxation of certain components that has limited to no impact on the accuracy of the assembly. This is really common in optics where ear

This is likely a spec relaxation of certain components that has limited to no impact on the accuracy of the assembly. This is really common in optics where early design decisions get made and carried forward due to schedule concerns because making changes impacts a ton of things further down like reliability, assembly, etc... I don't see this as a big deal it's just making decisions that improve manufacturability and yield while not having much impact on the overall device.