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Kubeflow Trainer v2.2: JAX & XGBoost Runtimes, Flux for HPC Support, and TrainJob progress and metrics observability

calendar_today March 20, 2026 person Kubeflow Trainer Team domain kubeflow

Just a little over one week ahead of KubeCon + CloudNativeCon EU 2026, the Kubeflow team is excited to ship Trainer v2.2. The v2.2 release reinforces our commitment to expanding the Kubeflow Trainer ecosystem – meeting developers where they are by adding native support for JAX, XGBoost, and Flux, while also delivering deeper observability into training jobs.

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