When the viewport is in Top (ortho) Lit mode the near plane clips through geometry as you zoom the view in and out. ...
Just a typo that needs to be fixed. ...
This may not compile properly. Should be fixed. ...
This problem is not reproduced in 4.25. ...
I have a fix ready for this in cl: 17967661 ...
Find the root cause and fix it. ...
Issue is detailed in the UDN linked. Investigate and fix. ...
This does not occur in 4.25.4 Binary and is a regression. ...
a fix was proposed in the UDN but it needs to be tested and revised ...
This is a regression from a long while ago that needs to get fixed ...