Dunno. There was only one minor update after the release of OPRA, and according to the release notes these were the only changes:
Maybe there was a minor unmentioned change.
Give me a minute, I’m on the phone right now, will fetch the tablet …
… back. So this is what I see on the iPad (but I’m using the early access version, so I can’t guarantee that it’s exactly the same):
Starting with no EQ:
Then I see this, and I click a manufacturer:
Then I see this and I click a model:
Then I see this and I click Select (but note: I have to click select, I can’t just click the box and have the curve show up without explicitly selecting):
Then I end up like this:
