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Merge pull request #15653 from hakman/release_notes_1.27 

Update release nodes for kOps 1.27
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Kubernetes Prow Robot 2023-07-17 10:53:12 -07:00 committed by GitHub
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docs/releases/1.27-NOTES.md
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@ -1,19 +1,15 @@
## Release notes for kOps 1.27 series
**⚠ kOps 1.27 has not been released yet! ⚠**
This is a document to gather the release notes prior to the release.
# Significant changes
* **The default image has been updated to [Ubuntu 22.04 (Jammy)](https://kops.sigs.k8s.io/operations/images/#ubuntu-2204-jammy)**.
* **The default image has been updated to [Ubuntu 22.04 (Jammy)](https://kops.sigs.k8s.io/operations/images/#ubuntu-2204-jammy/)**.
* The default retention duration for the etcd backups is now set to 90 days.
This behaviour can be overridden by setting `spec.etcdClusters[*].manager.backupRetentionDays` in the cluster spec.
* external-dns is now supported in IPv6 clusters.
* `Karpenter` has been upgraded to version `0.27.x` and the feature flag is no longer necessary.
* Using [swap memory](https://kubernetes.io/blog/2021/08/09/run-nodes-with-swap-alpha/) is now possible by setting `spec.kubelet.memorySwapBehavior`.
## AWS
@ -22,8 +18,14 @@ Newly created clusters will be configured as necessary to have these settings.
* As of Kubernetes version 1.27, credentials for private ECR repositories will be handled by the out-of-tree credential provider. This is an additional binary that each instance downloads from the assets repository.
* `Karpenter` has been upgraded to version `0.27.x` and the feature flag is no longer necessary.
## GCP
* Improved support for private topology.
* Support for bastions has been added.
## Openstack
* Nodes will now assign floating IPs when they are in a subnet that is of type `Public`. Previously