Highlights

The KubeRay 0.5.0 release includes the following improvements.

Interact with KubeRay via a Python client
Integrate KubeRay with Kubeflow to provide an interactive development environment (link).
Integrate KubeRay with Ray TLS authentication
Improve the user experience for KubeRay on AWS EKS (link)
Fix some Kubernetes networking issues
Fix some stability bugs in RayJob and RayService

Contributors

The following individuals contributed to KubeRay 0.5.0. This list is alphabetical and incomplete.

[Feature][Doc] Kubeflow integration (#937, @kevin85421)
[Feature] Ray restricted podsecuritystandards for enterprise security and Kubeflow integration (#750, @kevin85421)

Read cluster domain from resolv.conf or env (#951, @harryge00)
[Feature] Replace service name with Fully Qualified Domain Name (#938, @kevin85421)
[Feature] Add default init container in workers to wait for GCS to be ready (#973, @kevin85421)

Fix issue with head pod not monitered by Prometheus under certain condition (#963, @Yicheng-Lu-llll)
[Feature] Improve and fix Prometheus & Grafana integrations (#895, @kevin85421)
Add example and tutorial to explain how to create custom metrics for Prometheus (#914, @Yicheng-Lu-llll)
feat: enrich kubectl get output (#878, @davidxia)

Fix issue with operator OOM restart (#946, @wilsonwang371)
[Feature][Hotfix] Add observedGeneration to the status of CRDs (#979, @kevin85421)
Customize the Prometheus export port (#954, @Yicheng-Lu-llll)
[Feature] The default ImagePullPolicy should be IfNotPresent (#947, @kevin85421)
Inject the --block option to ray start command automatically (#932, @Yicheng-Lu-llll)
Inject cluster name as an environment variable into head and worker pods (#934, @Yicheng-Lu-llll)
Ensure container ports without names are also included in the head node service (#891, @Yicheng-Lu-llll)
fix: .status.availableWorkerReplicas (#887, @davidxia)
fix: only filter RayCluster events for reconciliation (#882, @davidxia)
refactor: remove redundant import in raycluster_controller.go (#884, @davidxia)
refactor: use equivalent, shorter Builder.Owns() method (#881, @davidxia)
[RayCluster controller] [Bug] Unconditionally reconcile RayCluster every 60s instead of only upon change (#850, @architkulkarni)
[Feature] Make head serviceType optional (#851, @kevin85421)
[RayCluster controller] Add headServiceAnnotations field to RayCluster CR (#841, @cskornel-doordash)

[Hotfix][release blocker][RayJob] HTTP client from submitting jobs before dashboard initialization completes (#1000, @kevin85421)
[RayJob] Propagate error traceback string when GetJobInfo doesn't return valid JSON (#943, @architkulkarni)
[RayJob][Doc] Fix RayJob sample config. (#807, @DmitriGekhtman)

Add rayVersion in the RayCluster chart (#975, @Yicheng-Lu-llll)
[Feature] Support environment variables for KubeRay operator chart (#978, @kevin85421)
[Feature] Add service account section in helm chart (#969, @ducviet00)
Update apiserver chart location in readme (#896, @psschwei)
add sidecar container option (#920, @akihikokuroda)
match selector of service to pod labels (#918, @akihikokuroda)
[Feature] Nodeselector/Affinity/Tolerations value to kuberay-apiserver chart (#879, @alex-treebeard)
[Feature] Enable namespaced installs via helm chart (#860, @alex-treebeard)
Remove unused fields from KubeRay operator and RayCluster charts (#839, @kevin85421)
[Bug] Remove an unused field (ingress.enabled) from KubeRay operator chart (#812, @kevin85421)
[helm] Add memory limits and resource documentation. (#789, @DmitriGekhtman)

[Feature] Add python client test to action (#993, @jasoonn)
[CI][Buildkite] Fix the PATH issue (#952, @kevin85421)
[CI][Buildkite] An example test for Buildkite (#919, @kevin85421)
refactor: Fix flaky tests by using RetryOnConflict (#904, @Yicheng-Lu-llll)
Use k8sClient from client.New in controller test (#898, @Yicheng-Lu-llll)
[Bug] Fix flaky test: should be able to update all Pods to Running (#893, @kevin85421)
Enable test framework to install operator with custom config and put operator in a namespace with enforced PSS in security testing (#876, @Yicheng-Lu-llll)
Ensure all temp files are deleted after the compatibility test (#886, @Yicheng-Lu-llll)
Adding a test for the document for the Pod security standard (#866, @Yicheng-Lu-llll)
[Feature] Run config tests with the latest release of KubeRay operator (#858, @kevin85421)
[Feature] Define a general-purpose cleanup method for CREvent (#849, @kevin85421)
[Feature] Remove Docker container and NodePort from compatibility test (#844, @kevin85421)
Remove Docker from BasicRayTestCase (#840, @kevin85421)
[Feature] Move some functions from prototype test framework to a new utils file (#837, @kevin85421)
[CI] Add workflow to manually trigger release image push (#801, @DmitriGekhtman)
[CI] Pin go version in CRD consistency check (#794, @DmitriGekhtman)
[Feature] Improve the observability of integration tests (#775, @jasoonn)

Improve ray-cluster.external-redis.yaml (#986, @Yicheng-Lu-llll)
remove ray-cluster.getting-started.yaml (#987, @Yicheng-Lu-llll)
[Feature] Read Redis password from Kubernetes Secret (#950, @kevin85421)
[Ray 2.3.0] Update --redis-password for RayCluster (#929, @kevin85421)
[Bug] KubeRay does not work on M1 macs. (#869, @kevin85421)
[Post Ray 2.3 Release] Update Ray versions to Ray 2.3.0 (#925, @cadedaniel)
[Post Ray 2.2.0 Release] Update Ray versions to Ray 2.2.0 (#822, @DmitriGekhtman)

Update contribution doc to show users how to reach out via slack (#936, @gvspraveen)
[Feature][Docs] Explain how to specify container command for head pod (#912, @kevin85421)
[post-0.4.0 KubeRay release] update proto version to 0.4.0 (#830, @scarlet25151)
[0.4.0 release] Update changelog for KubeRay 0.4.0 (#836, @DmitriGekhtman)
[Docs] Revise release note docs (#835, @DmitriGekhtman)
[release] Add release command and guidance for KubeRay cli (#834, @Jeffwan)
[Release] Add tools and docs for changelog generator (#833, @Jeffwan)
[Bug] error: git cmd when following docs (#831, @kevin85421)
[post-0.4.0 KubeRay release] Update KubeRay versions (#821, @DmitriGekhtman)
[Feature][Doc] End-to-end KubeRay operator development process on Kind (#826, @kevin85421)
[Release][Docs] Update release instructions (#819, @DmitriGekhtman)
[docs] Tweaks to main README, add basic API Server README. (#809, @DmitriGekhtman)
update docs for release v0.4.0 (#778, @scarlet25151)
[docs] Update KubeRay operator README. (#808, @DmitriGekhtman)
[Release] Update docs for release v0.4.0 (#779, @kevin85421)