Neither this period nor the previous period reached 90% but in the USA everyone is celebrating the taproot lock-in.
Direct quote from the tweet you linked to:
so Taproot should lock in during the next signaling period.
Too many mining pools were not signaling for taproot during the start of this difficulty period, and so we cannot hit 90% of blocks during this difficult period.
However, several of these mining pools which were not signaling for taproot have now started signaling for taproot. At present values, 96.9% of the hashrate signals for taproot:
https://taproot.watch/minersIf this continues, then taproot should lock in during the next signaling period.