SetShowOnlyActors of category Scene Capture Component is no longer exposed to Blueprints.
Also missing in Main CL# 4247867
1 Open any Blueprint
2 Uncheck context sensitive
3 Search for Set Show Only Actors
Result: Node is found in 4.19 but not 4.20
There's no existing public thread on this issue, so head over toAnswerHub just mention UE-62547 in the post.