After the update to #ActivityPub 1.0.0, the publication on Mastodon of the posts from my two federated blogs has stopped working. The new blocks don't work either. What should I check, please? Before the update everything worked perfectly.

cc nostr:npub1psaqlqsvwy5puz0f7jqts384fxpgj3zcxmpe99hrd4uvs5mq20tqgfxhme