One of the other sub's here had something about it earlier, I can't find it of course.

Some people seemed to be redirected, others reported no problems.

Some users were also reporting that a Gmail address was now required for new signups, others said no.

Seems like probably an A/B test.

I no longer have an account there, I still use Stealth (Android) for search redirects and have no issues, others say Stealth doesn't work at all.