After a few minutes the undo stops working in 3.1.
I have to close and reopen Unity to get it to work again.
This has happened twice so far, reopening for the third time.
Am going back and forth from Max to Unity and did have the asset store open and closed.
Don’t know if these things are having an effect on the issue.
Will be filing an error report.
I’ve had a similar issue, except that undo will just crash Unity under 3.1. Already filed a bug report.
Ok, thanks for posting.
Also filed a report.
Undo does not work for me at all in unity3.1. I had to go back to unity3. Also when I drag a material across my project to drop it say on a sidewalk, it applies to everything I drag it across. I went back to Unity3 and it only applies to the object I drag over and drop on, not everything I drag it over to get to that object. As it does in Unity3.1. So sadly I can not use 3.1. 8(