On Testlive there’s the part that could affect normal constructions, which is fence foundations in a cross.
Here are some screenshots that showcase what we mean by cross formation (excuse my fantastic Paint skills):
For what matters, this other formation will not be possible since it relies on the same socket. To the best of our knowledge, this placement rule is also on Testlive:
The rest of the fix targets overlapping pieces. It is not available on Testlive to test, but it’s easy to explain. Basically, two pieces into each other looking like one. No need of a screenshot.
The pieces that could bring some destruction are the ones we shared screenshots above and that are available on Testlive right now.