I am sure there's more "hidden", unreleased, etc fan footage than we know of or have ever seen/heard. (The page before this one, check what Rdkopper said)

There's a lot more out there than we can ever guess in terms of recordings. I'd say that probably up to around 90% of all shows since the SWW/NJ era have been bootlegged as at least either audio or video and about a quarter of it is available at best.
And underground trading circles do (or did) exist in one way or the other. Otherwise it's not to explain how the Pro Shot of Yokohama 1991 or the uncut audios of the "An Evening With" shows/rehearsals could all leak in 2013.

And about the rumour of Hammersmith having had a full radio broadcast: That one was stirred up by a user on Youtube commenting on one of the videos that he had listened to the full show back in the day. As it turned out, he didn't know that it had been actually a full-length set and only assumed (due to the obscure track choices) that it had been sort of a special/promo gig with a just a few tracks having been played.

What exactly is a leak for you?
I mean I remember the What Do You Got? "Alternative Version" was directly posted from Universal

Something that became available and not being posted by e.g. Universal like that version of What Do You Got.
Like the Pro Shot videos of Buffalo 1993 or Yokohama that have been all over Youtube. Supposedly, Alec sold those to fans after his departure from the band from his personal archives and at some point fans gave those videos to other fans, uploaded it to Youtube etc.
Or the rehearsals from 1992. No way they were officially uploaded. I rather think someone working close to the band at that time had these and gave them away at some point. Or they were stored in the MTV archives. Stuff like that happens all the time, but it truly has been a while since something interesting had shown up.

Okay, 90'sboy lol
yeah, like Wembley was a BJ employee, etc.

Ok, this is going be a bit controversial. For me, the show is not that good. Come at me! :D

The acoustic set is amazing
THe other stuff is routine really but nice to hear JBJ singing live like he has no chance of doing now.

I'm not a big fan of acoustic songs in general so I guess that's why the show is just decent for me.

Really? Wow. Love going back and shooting star. Also love 7 days.

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But only the first 6 songs are acoustic...

The rest is a full on electric show!

https://www.setlist.fm/setlist/bon-j...-73d38e71.html