Well, at least I use nostr:nprofile1qyxhwumn8ghj7mn0wvhxcmmvqy8hwumn8ghj7mn0wd68ytnddaksqgrafcz9qw4jvc2a6hefasyt222re0jlz7avcvqjkf3zpj4zx243fs4hhwmw, which might support 72.
Then again, Highlighter doesn't work for me for some reason, so I went with the former in order to write reads for Nostr (and Primal in particular).