I suspect it's a browser issue by Brave, as it failes to open browser extension option pages with other extensions as well..
nostr:npub1getal6ykt05fsz5nqu4uld09nfj3y3qxmv8crys4aeut53unfvlqr80nfm The browser extension (using it in Brave) is very often only showing a black popup when a Nostr client tries to perform an action through the extension (signing events).
I suspect it's a browser issue by Brave, as it failes to open browser extension option pages with other extensions as well..