[etcd-druid]

⚠️ Breaking Changes

[OPERATOR] Claim logic for PodDisruptionBudgets have been removed. Already existing PodDisruptionBudget objects cannot be adopted anymore (gardener/etcd-druid#430, @aaronfern)
[OPERATOR] Logic for deleting any leftover CronJobs created by etcd-druid:v0.6.0 has been removed. Please deploy a lower version of etcd-druid before upgrading if you still have any leftover CronJobs or manually delete them (gardener/etcd-druid#430, @aaronfern)

[OPERATOR] Applying the annotation druid.gardener.cloud/ignore-reconciliation on the ETCD CR will stop etcd-druid from reconciling it. (gardener/etcd-druid#446, @abdasgupta)
- This is helpful for operators to apply any manual fixes to the ETCD components, such as manually fixing permanent quorum loss as per the playbook.

[OPERATOR] Updated condition used to decide when the gardener.cloud/scaled-to-multi-node annotation is added (gardener/etcd-druid#455, @aaronfern)
[OPERATOR] A bug has been fixed that caused the wrong minAvailable configuration being calculated for multi-node etcd PodDisruptionBudget. (gardener/etcd-druid#441, @timuthy)

[OPERATOR] Enables etcd-druid to trigger restarts of the etcd pods when peer URL is TLS enabled. (gardener/etcd-druid#421, @unmarshall)
[OPERATOR] Etcd druid will now use policy/v1 for PodDisruptionBudgets for kubernetes >= 1.21. However, for kubernetes < 1.21, PodDisruptionBudgets will still default to policy/v1beta1 (gardener/etcd-druid#430, @aaronfern)
[OPERATOR] Golang version used upgraded to 1.18.6 (gardener/etcd-druid#431, @aaronfern)
[OPERATOR] etcd-custom-image upgraded to v3.4.13-bootstrap-8 (gardener/etcd-druid#432, @aaronfern)
[OPERATOR] Added new field to the etcd CRD etcd.Spec.Etcd.clientService (gardener/etcd-druid#438, @aaronfern)
- Users can now add annotations to the client service by specifying them in the above field of the etcd resource
[OPERATOR] The BackupReady condition is not considered anymore when the PodDisruptionBudget configuration is calculated. This earlier blocked rolling out fixes that potentially solved problems with backup procedures. (gardener/etcd-druid#441, @timuthy)
[OPERATOR] Enhance BackupReady condition to take into account statefulset being scaled down and the backup section not being defined (gardener/etcd-druid#415, @aaronfern)

[OPERATOR] To avoid potential race-condition between go-routines updated probeEtcd func() to use shorter timeout. (gardener/etcd-backup-restore#532, @ishan16696)

[OPERATOR] Always update member peer URL, changed the way scale-up of etcd cluster is identified. (gardener/etcd-backup-restore#534, @unmarshall)
[OPERATOR] Decreases the likelihood of potential race condition between the go-routines while closing the snapshotter. (gardener/etcd-backup-restore#537, @ishan16696)
[OPERATOR] [bug-fix] backup-restore does not return error when it fails to update PeerURL of member. (gardener/etcd-backup-restore#540, @aaronfern)

[OPERATOR] Updated golang version used to build images to 1.18.6 (gardener/etcd-backup-restore#535, @aaronfern)
[OPERATOR] Updated golang version to 1.18 (gardener/etcd-backup-restore#535, @aaronfern)

[OPERATOR] Etcd-custom-image will now retry fetching etcd configuration in case of any error (gardener/etcd-custom-image#26, @aaronfern)