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feat: add new callback hook <code>on_checkpoint_write_end</code>

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plGeneric label for PyTorch Lightning packageGeneric label for PyTorch Lightning package

Status: Open (in progress).

Lightning-AI/pytorch-lightningnumber 21323

#21323 In Lightning-AI/pytorch-lightning;

· Iruos8805 opened on Nov 2, 2025

feat: add new callback hook <code>on_before_optimizer_setup</code>

docsDocumentation relatedDocumentation related

plGeneric label for PyTorch Lightning packageGeneric label for PyTorch Lightning package

Status: Open (in progress).

Lightning-AI/pytorch-lightningnumber 21272

#21272 In Lightning-AI/pytorch-lightning;

· deependujha opened on Oct 6, 2025

[Fabric] Ignore Keyword Arguments Outside of Callback Signature

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fabriclightning.fabric.Fabriclightning.fabric.Fabric

Status: Open (in progress).

Lightning-AI/pytorch-lightningnumber 21258

#21258 In Lightning-AI/pytorch-lightning;

· SkafteNicki opened on Oct 1, 2025

update maintainers/codeowners

ciContinuous IntegrationContinuous Integration

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plGeneric label for PyTorch Lightning packageGeneric label for PyTorch Lightning package

Status: Open (in progress).

Lightning-AI/pytorch-lightningnumber 21240

#21240 In Lightning-AI/pytorch-lightning;

· Borda opened on Sep 22, 2025

Document tensorboard experiment property

dependenciesPull requests that update a dependency filePull requests that update a dependency file

docsDocumentation relatedDocumentation related

fabriclightning.fabric.Fabriclightning.fabric.Fabric

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loggerRelated to the LoggersRelated to the Loggers

logger: tensorboard

plGeneric label for PyTorch Lightning packageGeneric label for PyTorch Lightning package

Status: Draft (not ready).

Lightning-AI/pytorch-lightningnumber 21101

#21101 In Lightning-AI/pytorch-lightning;

· SkafteNicki opened on Aug 21, 2025

docs(csv_logs): Clarify CSV and YAML logging distinction and improve examples

docsDocumentation relatedDocumentation related

loggerRelated to the LoggersRelated to the Loggers

logger: csv

plGeneric label for PyTorch Lightning packageGeneric label for PyTorch Lightning package

Status: Open (in progress).

Lightning-AI/pytorch-lightningnumber 20951

#20951 In Lightning-AI/pytorch-lightning;

· bhimrazy opened on Jul 1, 2025

docs(LightningModule): update docs for <code>.training</code> mode in loops

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plGeneric label for PyTorch Lightning packageGeneric label for PyTorch Lightning package

Status: Open (in progress).

Lightning-AI/pytorch-lightningnumber 20716

#20716 In Lightning-AI/pytorch-lightning;

· adosar opened on Apr 15, 2025

Add Deepspeed Zero 3 MiCS support

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fabriclightning.fabric.Fabriclightning.fabric.Fabric

plGeneric label for PyTorch Lightning packageGeneric label for PyTorch Lightning package

strategy: deepspeed

Status: Open (in progress).

Lightning-AI/pytorch-lightningnumber 20461

#20461 In Lightning-AI/pytorch-lightning;

· hehepig4 opened on Dec 3, 2024

[Backend]: Support device backend registration for a wide range of third-party hardware

accelerator

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fabriclightning.fabric.Fabriclightning.fabric.Fabric

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plGeneric label for PyTorch Lightning packageGeneric label for PyTorch Lightning package

Status: Open (in progress).

Lightning-AI/pytorch-lightningnumber 20349

#20349 In Lightning-AI/pytorch-lightning;

· zhiyuan1i opened on Oct 19, 2024

Include VertexAI cluster environment for Fabric

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fabriclightning.fabric.Fabriclightning.fabric.Fabric

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plGeneric label for PyTorch Lightning packageGeneric label for PyTorch Lightning package

Status: Draft (not ready).

Lightning-AI/pytorch-lightningnumber 19911

#19911 In Lightning-AI/pytorch-lightning;

· miguelalba96 opened on May 27, 2024

Bugfix: multi optimizer step count behaviour

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has conflicts

plGeneric label for PyTorch Lightning packageGeneric label for PyTorch Lightning package

waiting on authorWaiting on user action, correction, or updateWaiting on user action, correction, or update

Status: Open (in progress).

Lightning-AI/pytorch-lightningnumber 19589

#19589 In Lightning-AI/pytorch-lightning;

· Anner-deJong opened on Mar 7, 2024

[WIP] Support all CombinedLoader modes in prediction loop

communityThis PR is from the communityThis PR is from the community

data handlingGeneric data-related topicGeneric data-related topic

docsDocumentation relatedDocumentation related

featureIs an improvement or enhancementIs an improvement or enhancement

has conflicts

plGeneric label for PyTorch Lightning packageGeneric label for PyTorch Lightning package

trainer: predict

Status: Draft (not ready).

Lightning-AI/pytorch-lightningnumber 17749

#17749 In Lightning-AI/pytorch-lightning;

· katzkowski opened on Jun 4, 2023

· 

future