No, it's always been that way from the initial release. It's literally the only file system interopt that exists.
You're not supposed to access the Linux filesystem from Windows -- it's in a system hidden area of your profile but some people still tried to mess with it with unfortunate consequences.
You're not supposed to access the Linux filesystem from Windows -- it's in a system hidden area of your profile but some people still tried to mess with it with unfortunate consequences.