- Added support for kube-proxy iptables mode to track packets that were wrongfully marked invalid by conntrack and subsequently dropped by introducing `kubeproxy_iptables_ct_state_invalid_dropped_packets_total` metric. ([#122812](https://github.com/kubernetes/kubernetes/pull/122812), [@aroradaman](https://g...

- Transparent kube-proxy restarts when using IPVS are now allowed. ([#75283](https://github.com/kubernetes/kubernetes/pull/75283), [@lbernail](https://github.com/lbernail))
- Packets considered INVALID by conntrack are now dropped. In particular, this fixes
a problem where spurious retransmits in a long-running TCP connection to a service

* Fix Service Update on LoadBalancerSourceRanges Field ([#37720](https://github.com/kubernetes/kubernetes/pull/37720), [@freehan](https://github.com/freehan))
* Bug fix. Incoming UDP packets not reach newly deployed services ([#32561](https://github.com/kubernetes/kubernetes/pull/32561), [@zreigz](https://github.com/zreigz))

- Fix CVE-2020-8555 for Quobyte client connections. ([#95206](https://github.com/kubernetes/kubernetes/pull/95206), [@misterikkit](https://github.com/misterikkit)) [SIG Storage]
- Fix IP fragmentation of UDP and TCP packets not supported issues on LoadBalancer rules ([#96464](https://github.com/kubernetes/kubernetes/pull/96464), [@nilo19](https://github.com/nilo19)) [SIG Cloud Provider]

- Added CEL runtime cost calculation into CustomerResource...