I was able to replicate it, definitely feels like a bug.
The only thing I found that made a difference and could possibly lead to a better solution was the auto weld option.
I turned off “Auto Weld” on the blue cube.

I was able to replicate it, definitely feels like a bug.
The only thing I found that made a difference and could possibly lead to a better solution was the auto weld option.
I turned off “Auto Weld” on the blue cube.
