Yes, I'd assume the same mechanism is causing both bugs due to some change in the spidertron's pathing algorithm. If I had to guess it's perhaps because of the new patrol features?

My experience suggests it doesn't just cause slight timing differences but also meaningful unintended behaviour. I was ...

Apologies if this is a duplicate of bug report https://forums.factorio.com/134383 .
I am describing a slightly different issue but I expect the underlying cause is similar.

What Happened?
After updating to the latest experimental 2.1 patch, spidertrons' legs are sometimes unable to find a stable ...