I ran into this same issue, and found that it is Fabric API 0.91.2+1.20.4 that causes it. It stops happening as soon as Fabric API is uninstalled. I opened an issue on their GitHub to track it, but this is not a vanilla bug.
jtprince
I ran into this same issue, and found that it is Fabric API 0.91.2+1.20.4 that causes it. It stops happening as soon as Fabric API is uninstalled. I opened an issue on their GitHub to track it, but this is not a vanilla bug.