Multiple readers (1, 2, 3) have already successfully had their Chase INK Unlimited 75,000 bonus matched to the newer 90,000 points bonus. This is even for applications which were approved a few days back when the 90,000 offer wasn’t as widely available.
Send Chase a secure message to request a match. They should reply confirming the match, and they’ll tell you to message back after meeting the spend so they can manually apply the match.
One reader heard from Chase that they are matching applications from July 25, 2024 through November 17, 2024.