Multiple components within a single blueprint cannot have variables that use PostEditChangeProperty() updated simultaneously. This is most visible when attemting to set Max Draw Distance after changing "Allow Cull Distance Volume" simultaneously.
Current max draw distance will register multiple values, despite both cubes being told to set max draw distance to 200.
Current max draw distance set to 200 for both cubes.
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-33622 in the post.