I had this same issue. Try the x86 build. I think they got swapped around accidentally.
nostr:npub1acg6thl5psv62405rljzkj8spesceyfz2c32udakc2ak0dmvfeyse9p35c I'm getting "This app is damaged and can't be opened" when trying to run the arm .dmg file for gossip. And ideas?
I had this same issue. Try the x86 build. I think they got swapped around accidentally.
I do not think they are swapped.