Yeah, that wording is not new and while that would be the "normal" way of interpreting it, that's not what they mean.

If, during your year, you reach the required amount to retain, you are informed of that fact in the manner shown below (as Gold).

But your year doesn't reset (think about it - if you're Silver, and you reach the retention threshold, and they "reset" your year...how could you ever reach Gold? Each "retention" would reset your Silver and give you another year of Silver...and you would never be allowed to try to push onwards for Gold...).

Although the case of a Silver is different from that of a Gold - because with Gold there is no higher level to aim for - in both cases, you still don't formally "retain" your status until you reach the end of the current year.