Scale on one axis randomly disappears when selecting more than one object at the same time

systeminfo: Rhino 7 SR4 2021-3-19 (Rhino 7, 7.4.21078.01001, Git hash:master @ a432d22ab7f0f - Pastebin.com
Here is a photo of what I do mean: Imgur: The magic of the Internet

In rhino, go to help>check for updates and grab the latest service release. Still misbehaving? please let us know.

yes it does still missbehave

any consistencies you can identify?

any 3rd party plugins?

clippingplanes, blocks, etc?

not really…

I don’t have any third party plugin installed