I have also experienced this in 1.16.201
I'll be able to work around it by making my honey(comb) farm larger, but it still exists.
I went back in and looked at the behavior packs installed on my realm. There were 2 "unknown" packs that were there. I removed those and now the spawn eggs and elytra can no longer be crafted.
I just logged into my realm from a second computer and the spawn egg recipes and other recipes (such as Elytra) are still in the recipe book. I didn't have time to do more work on the realm but I will try some other troubleshooting and get the information tonight.
Still running into this for my bedrock realm after updating to 1.20.70
I always have to re-set player sleeping percentage to 0.