Ok, it seems like the best solution is to either:
(i) Revert to an earlier version of Brave
(ii) Set ‘Trackers & ads blocking’ to ‘Disabled’ whenever you want to use Zotero.
I’ll try (i) first… As a sidenote it’s amazing how frequent Brave releases are! I wonder how recent of a “break” this is.
It would be helpful in the future if we could whitelist Zotero or something like that, I don’t see why Zotero shouldn’t work with Brave.
Thanks all!