@darnell@one.darnell.one @silverpill @tallship@public.mitra.social @tallship@socialhome.network @darnell@darnellclayton.com We test every change up to PHP 8.2 (and I am also using 8.2 on my blog), so it might be the configuration of your 8.2?!?
https://github.com/Automattic/wordpress-activitypub/blob/master/.github/workflows/phpunit.yml
But Content-Negotiation is always tricky on Shared-Hosting 😞