Mine came back also, but not in the state I left it in though. It came back turned on, I never turn it on.
On is the default setting. With it going missing, then being back, it's not surprising that it's back to default.
This morning I was able to test with fast.com, and the VDS is definitely working.
VDS On (default)...
VDS Snoozed (Off)...
*** I don't use, nor do I recommend, fast.com for speed testing. I only used it to test and demonstrate the VDS, as it mimics streaming, causing the VDS to kick in and do its job.
This should be resolved now, if you still have any lingering issues with the VDS setting being visible, please let us know. I appreciate your patience while our engineers squared this away.