Upstream has released updates that appear to apply and compile correctly
Paper Changes:
a615186502 Remove the old updatingChunks and visibleChunks fields (#6535)
Upstream has released updates that appear to apply and compile correctly
Paper Changes:
14be4180f6 Use updatingChunks for flush saving (#6533)
2973e1c56e Always use updatingChunks for saveAllChunks (#6534)