Still can't auto-mount network shares without prompting for credentials (even if saved in keychain). Pretty lame bug. I'd verify that the bug report for it is still open...but, "An error has occurred. For assistance accessing Apple Bug Reporter, please contact Apple Developer Program Support."
I can't believe they STILL haven't fixed that bug! I won't be updating my Mac Pro from El Capitan until this one is fixed.
Kind of fitting, really. I'm not updating my Mac Pro... and Apple aren't updating [the hardware] of their Mac Pros either. Grrrrrr.