Registration bug in QMP 3.02?

I downloaded the newest release of QMidi Pro, version 3.02, to my 2019 iMac,
running MacOS Sequoia 15.7.5 . Made sure it was the QMidi Pro download, not
the standard version. Upon launch, it wouldn't accept the license info from my
earlier purchase/registration. This is the first time in many releases since I
purchased QMP that my information was rejected. I know my registration info
is correct. And just as in the past, I copy/pasted it directly from the confirmation
email sent directly from Mixage to me. It has always worked for years until now.
Is there a bug in this release for registered users?

Your key is valid for v2, which can be downloaded here:
https://www.mixagesoftware.com/all_qmidi_downloads.html

Version 3 is an optional, paid upgrade.
To download / upgrade to v3:
https://www.mixagesoftware.com/en/qmidi/index.html
https://www.mixagesoftware.com/en/qmidi/qmidi_upgrade.html