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  This behavior will change to:
  - Services that have been set  IPFamilyPolicy = PreferDualstack will not be upgraded when the service object is updated. User can still change policy, type etc and existing behaviors remain the same. ([#102898](https://github.com/kubernetes/kubernetes/pull/102898), [@khenidak](https://github.com/khenidak)) [SIG Network and Testing]

  
  Users upgrading from 1.18 who have cordoned nodes should set the `node.kubernetes.io/exclude-from-external-load-balancers` label on the impacted nodes before upgrading if they wish those nodes to remain excluded from service load balancers. ([#90823](https://github.com/kubernetes/kubernetes/pull/90823), [@smarterclayton](https://github.com/smarterclayton)) [SIG Apps, Cloud Provider and Network]