https://paste.ubuntu.com/p/yWptXtpTJk/
log the day we played on the world
https://paste.ubuntu.com/p/WsnjsHdnFQ/
log from day after initially playing and chunks courrupted
as far as i can recall we only played on 1.15 pre release-6
i do hope this helps clear up the issue.
i want to add i just counted the chunks from my spawnpoint to the edge of the bugged area and its exactly 7 chunks so render distance is definitely a factor in this.
https://paste.ubuntu.com/p/yWptXtpTJk/
log the day we played on the world
https://paste.ubuntu.com/p/WsnjsHdnFQ/
log from day after initially playing and chunks courrupted
as far as i can recall we only played on 1.15 pre release-6
i do hope this helps clear up the issue.