Build Version: 4.10 from launcher (Version: 4.10.0-2758231+++depot+UE4-Releases+4.10). Issue: If you add a child actor component to a blueprint and set it’s child actor class to something with a mesh or that’s otherwise visible, you can immediately see it in the viewport but you still can’t select …

Hi -, Thank you for your report. I was able to reproduce this and have entered a bug report, UE-23810, to be assessed by the development staff.

Can't select child actor component in blueprint viewport

Tonetfal (Tonetfal) March 4, 2025, 6:02am 14

It was marked as fixed in 2016. Maybe they eventually broke it again