Sorry for late reply.

https://www.youtube.com/watch?v=h4njmGKkPKI

Windows x64

1) create cube
2) ctrl-c cube (copy cube)
3) del cube
4) ctrl-v cube (paste cube). Nothing happen. There is no cube in the scene.
5) Click save as - cube will paste properly.

This is very annoying on bigger projects.

Cheers!!!