PodGroup represents a runtime instance of pods grouped together. PodGroups are created by workload controllers (Job, LWS, JobSet, etc...) from Workload.podGroupTemplates. PodGroup API enablement is toggled by the GenericWorkload feature gate.
Workload allows for expressing scheduling constraints that should be used when managing the lifecycle of workloads from the scheduling perspective, including scheduling, preemption, eviction and other phases. Workload API enablement is toggled by the GenericWorkload feature gate.