I think by 2 months it's past the sink or swim period already.
They should (and I think they will) describe the way out within the next 1-3 days to remove all confusion and set the plan in motion immediately.

If it's truly an issue that can't be permanently resolved quick enough, I wouldn't be surprised if they give 2 options to current owners:

1. Free replacement when the fixed revision becomes available, in the meanwhile they offer a free bumper to mitigate the issue.
2. Full refund.