Child actors do not replicate properly to clients when their parent blueprint is nativized.
Regression?: Yes
This did not occur in 4.20.3
See also [Link Removed]
open ?listen
open 127.0.0.1
Result: In the client (second instance) the child actor attached to the player is not visible due to not being properly replicated. It is visible to the host.
Expected: The child actors are visible to both the host and client.
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-70467 in the post.