# Delay (ticks) before lowering view distance after a client change.
update-delay: 600

# Log level: off | minimal | all
log-changes: minimal

# Apply view distance on join before client sends its settings.
wait-for-client-settings: true

# Check all players' view distance every N ticks. -1 to disable.
polling-interval: 200

# Re-check delays (ticks) after PlayerClientOptionsChangeEvent.
options-change-retries: [20, 60]

world-settings:
  default:
    maximum-view-distance: -1   # -1 = server's world view distance
    # minimum-view-distance: 2  # optional floor

Per-world example

world-settings:
  default:
    maximum-view-distance: 12
  creative:
    maximum-view-distance: 6
  survival:
    minimum-view-distance: 4
    maximum-view-distance: 16

seemorenext.bypass — players with this permission are not clamped (ops, builders, etc).