Yes, I'm on Java 11. My scenario is identical to https://bugs.mojang.com/browse/MC-149777?focusedCommentId=659255&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-659255, so it might indeed be the same issue.
I haven't installed any mods or datapacks, neither on the server, nor on the client.
Done
Tofun
Yes, I'm on Java 11. My scenario is identical to https://bugs.mojang.com/browse/MC-149777?focusedCommentId=659255&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-659255, so it might indeed be the same issue.