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Kubeflow Trainer v2.4 Release
#4188 · andreyvelich opened on Oct 7, 2026
6
KEP-3562: OptimizationJob CRD for HPO: The Evolution of the Katib Project
#3562 · akshaychitneni opened on Jan 27, 2026
26
KEP-3015: Support Workload API for TrainJob Scheduling
#3015 · andreyvelich opened on Dec 2, 2025
14

Validate runtime patch volume references during EnforceMLPolicy stage
kubeflow/trainer#4342 · opened on Oct 28, 2026
3
TrainJob controller ignores groupKindConcurrency and always runs one worker
kubeflow/trainer#4339 · opened on Oct 27, 2026
HuggingFace dataset initializer fails with IndexError for dataset ids without a namespace (hf://imdb)
kubeflow/trainer#4315 · opened on Oct 26, 2026
S3 initializer matches ignore_patterns against the full object key, so relative patterns never match
kubeflow/trainer#4313 · opened on Oct 26, 2026
1
docs: add an MPI user guide
kubeflow/trainer#4311 · opened on Oct 26, 2026
1
ExtractResourcePerNodeFromRuntime panics on a replicatedJob whose Job template omits metadata, so TrainJob creation is rejected with an opaque 500
kubeflow/trainer#4303 · opened on Oct 24, 2026
1
test(helm): add helm-unittest tests for the public ConfigMap
kubeflow/trainer#4299 · opened on Oct 23, 2026
1
Proposal: allow selecting ReplicatedJobs for PodGroupPolicy in sequential runtimes
kubeflow/trainer#4298 · opened on Oct 23, 2026
1
TrainJob accepts env names and resource requests that its Pods cannot use, and then never starts
kubeflow/trainer#4292 · opened on Oct 21, 2026
OptimizationJob accepts trainer env vars its trials can't use, then stalls without failing
kubeflow/trainer#4285 · opened on Oct 21, 2026
1
perf(cache): reuse one Flight connection per worker instead of reconnecting for every batch
kubeflow/trainer#4280 · opened on Oct 20, 2026
1
DRA: resolve numProcPerNode from ResourceClaimTemplate (KEP-2782 follow-up)
kubeflow/trainer#4267 · opened on Oct 19, 2026
1
[BUG]: Data cache discards failures and reports success
kubeflow/trainer#4261 · opened on Oct 18, 2026
1
TrainJob accepts names that are too long for the JobSet it creates, and the TrainJob then never starts
kubeflow/trainer#4260 · opened on Oct 18, 2026 · v2.4
12
[PERF]: Data cache does quadratic work at startup and on every query
kubeflow/trainer#4258 · opened on Oct 17, 2026
2
bug: RuntimePatch manager validation loses list index in error field path
kubeflow/trainer#4256 · opened on Oct 17, 2026
Quick survey: your experience as a PyTorch Ecosystem maintainer
kubeflow/trainer#4252 · opened on Oct 16, 2026
2
bug(runtime): Runtime resource creation errors not surfaced in TrainJob status
kubeflow/trainer#4251 · opened on Oct 16, 2026
1
CPU E2E: local-container-mnist notebook intermittently hangs because the node-1 container never exits
kubeflow/trainer#4240 · opened on Oct 14, 2026
3
bug(runtime): prevent existing TrainJob runtime snapshots from being overwritten
kubeflow/trainer#4238 · opened on Oct 14, 2026
4
Document the custom metrics and the scraping configuration
kubeflow/trainer#4215 · opened on Oct 12, 2026
5
Expose custom trainer metrics via the /metrics scrape endpoint
kubeflow/trainer#4214 · opened on Oct 12, 2026
5
Add ServiceMonitor to Helm and Kustomize deploy configuration.
kubeflow/trainer#4213 · opened on Oct 12, 2026
3
bug(controller): TrainJob reconciler reverts external JobSet suspension and omits JobSetSuspended from status
kubeflow/trainer#4212 · opened on Oct 12, 2026
8
MPI runtime numNodes scales the launcher Job instead of the node Job
kubeflow/trainer#4210 · opened on Oct 12, 2026
3