Ingress enhancements using the IngressBackend API to support plaintext HTTP and HTTPS ingress with mutual-TLS or TLS
Ingress gateway integration with Contour ingress controller
Ability to override OSM CLI defaults and commands based on the environment
OSM CLI command to generate bug reports
Validating webhook to validate API resources managed by OSM
Control plane error code logging and documentation
Pod Disruption Budget for OSM control plane pods
Deprecate support for Kubernetes v1.18
Preset mesh config has been changed from kind: MeshConfig to kind: ConfigMap
Prometheus scraping flag has been deprecated in favor of automatic scraping of metrics from pods in namespaces enabled for metrics collection
CRD upgrades are now handled by OSM, requiring no updates to the CRDs or CRs from the user prior to updating the OSM version. This includes support for multiple CRD versions, so going forward OSM will be backward compatible to x-1 CRD versions.
Experimental support for Mutlicluster using a feature flag