a thing that might be noteworthy: from personal experience, it seems that the chunk rendering is significantly more smooth and less laggy by using the loopback adress of the server rather than the public one.
I can also confirm my players and me are having the symptoms of MC-149178
Hello, I ran the debug command for 1 minute. the file is uploaded in the attachements of the report.
a thing that might be noteworthy: from personal experience, it seems that the chunk rendering is significantly more smooth and less laggy by using the loopback adress of the server rather than the public one.