### Fluentd
* Migrated fluentd addon to daemon set ([#32088](https://github.com/kubernetes/kubernetes/pull/32088), [@piosz](https://github.com/piosz))

* [fluentd-gcp addon] Update Stackdriver plugin to version 0.6.7 ([#52565](https://github.com/kubernetes/kubernetes/pull/52565), [@crassirostris](https://github.com/crassirostris))
* Remove duplicate proto errors in kubelet. ([#52132](https://github.com/kubernetes/kubernetes/pull/52132), [@adityadani](https://github.com/adityadani))

- fluentd-gcp-scaler has been updated to v0.4.0, up from 0.3.0 in v1.11. ([#67691](https://github.com/kubernetes/kubernetes/pull/67691))
- fluentd in fluentd-es-image is unchanged from 1.10: v1.1.0 ([#58525](https://github.com/kubernetes/kubernetes/pull/58525))

* [fluentd-gcp addon] Fixes fluentd deployment on GCP when custom resources are set. ([#55950](https://github.com/kubernetes/kubernetes/pull/55950), [@crassirostris](https://github.com/crassirostris))

- fluentd-gcp-scaler has been updated to v0.5.0 ([#68837](https://github.com/kubernetes/kubernetes/pull/68837))
- Fluentd in fluentd-elasticsearch is unchanged at v1.2.4 since Kubernetes 1.11 ([#67434](https://github.com/kubernetes/kubernetes/pull/67434))
- fluentd-elasticsearch has been updated to v2.2.1 ([#68012](https://github.com/kubernetes/kubernetes/pull/68012))

* fluentd-gcp-scaler is v0.3.0 ([#61269](https://github.com/kubernetes/kubernetes/pull/61269))
* Updated fluentd in fluentd-es-image to fluentd v1.1.0 ([#58525](https://github.com/kubernetes/kubernetes/pull/58525), [@monotek](https://github.com/monotek))
* fluentd-elasticsearch is v2.0.4 ([#58525](https://github.com/kubernetes/kubernetes/pull/58525))

### Other notable changes

* Fix for service controller so that it won't retry on doNotRetry service update failure. ([#54184](https://github.com/kubernetes/kubernetes/pull/54184), [@MrHohn](https://github.com/MrHohn))
* [fluentd-gcp addon] Fluentd now runs in its own network, not in the host one. ([#54395](https://github.com/kubernetes/kubernetes/pull/54395), [@crassirostris](https://github.com/crassirostris))

### GCP

- [stackdriver addon] Bumped prometheus-to-sd to v0.5.0 to pick up security fixes.
[fluentd-gcp addon] Bumped fluentd-gcp-scaler to v0.5.1 to pick up security fixes.
[fluentd-gcp addon] Bumped event-exporter to v0.2.4 to pick up security fixes.
[fluentd-gcp addon] Bumped prometheus-to-sd to v0.5.0 to pick up security fixes.

- fluentd-gcp-scaler is unchanged at v0.5.0 since Kubernetes 1.13 ([#68837](https://github.com/kubernetes/kubernetes/pull/68837))
- Fluentd in fluentd-elasticsearch has been upgraded to v1.3.3 ([#71180](https://github.com/kubernetes/kubernetes/pull/71180))
- fluentd-elasticsearch has been updated to v2.4.0 ([#71180](https://github.com/kubernetes/kubernetes/pull/71180))

* fluentd-gcp-scaler is unchanged from v1.10: v0.3.0 ([#61269](https://github.com/kubernetes/kubernetes/pull/61269))
* fluentd in fluentd-es-image is unchanged from 1.10: v1.1.0 ([#58525](https://github.com/kubernetes/kubernetes/pull/58525))
* fluentd-elasticsearch is unchanged from 1.10: v2.0.4 ([#58525](https://github.com/kubernetes/kubernetes/pull/58525))