Oh snap, you’re right.
View attachment 1843201
I swear I don’t remember that being the case, but I’m also guilty of virtually never doing any page layout work on this iMac (and, at that, virtually all of my stuff is still — still — done in Quark because I’m no longer doing stuff for clients). I’m one of those “OK I’ll do it in InDesign if I absolutely must” folks because I’ve been lightning-fast in Quark environment for decades — which of course is, as you know, one of those quirks about the oddity of its steep learning curve but, once mastered, becomes as effortless as breathing.)
Anyway, ID4 isn’t happening on High Sierra… today I (re-)learnt!