I was just messing around again, and the extension pack as well as the widget are both unsupported also.I haven't tried this yet, but a couple of thoughts...
My N5 has Scrapbook v. 16.1.20 and Photonote v. 4.2.08
These are the versions available on apkmirror.com:
https://www.apkmirror.com/?post_type=app_release&searchtype=apk&s=Scrapbook+samsung
https://www.apkmirror.com/?post_type=app_release&searchtype=apk&s=Photo+note+samsung
Was considering uninstalling the ones I linked to from the N7 fix and trying one of those. But wanted to ask those of you have used those 2 features how different, if at all they are from what is built into S Note (see pic).
//uploads.tapatalk-cdn.com/20170906/f731833673f51e5678046276321c5144.jpg
Personally, I really can't speak to the differences you're asking about. My first Note was 7, and I'm not one of the few who decided to keep the live grenade, hoping it never went off (but I've really missed that phone).I know the little research I've done into Photo Note, thatcouks be a really useful app.
The more I saw people frustrated about the paring down of S Note to what's left, the more research I did to see what all the hullabaloo was about, & saw that it used to be something that was pretty defining for the Note line.
I've tried downloading a couple different versions of each of the apps, to see if I could get any of them to work, and I get error messages for each of them. "No longer supported" blah blah blah.