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torch.compile doesn't work with self.toggle_optimizer() in lightning module

bugSomething isn't workingSomething isn't working

torch.compile

ver: 2.5.x

Status: Open.

#21513 In Lightning-AI/pytorch-lightning;

· Mo-Junyang opened on Jan 26, 2026

Tensorboard logging breaks with certain scalar values with numpy >= 2.4.0

bugSomething isn't workingSomething isn't working

loggerRelated to the LoggersRelated to the Loggers

logger: tensorboard

ver: 2.5.x

Status: Open.

#21503 In Lightning-AI/pytorch-lightning;

· pganssle-google opened on Jan 23, 2026

[Optimization] Use fs.pipe() or fs.put() instead of f.write() in atomic_save for faster cloud checkpointing

refactor

Status: Open.

#21499 In Lightning-AI/pytorch-lightning;

· ankitaluthra1 opened on Jan 19, 2026

Dataloader reload bug when loading from checkpoint

bugSomething isn't workingSomething isn't working

checkpointingRelated to checkpointingRelated to checkpointing

lightningdatamodulepl.LightningDataModulepl.LightningDataModule

ver: 2.5.x

Status: Open.

#21492 In Lightning-AI/pytorch-lightning;

· rogergheser opened on Jan 16, 2026

Add interval: "batch" option for learning rate schedulers

featureIs an improvement or enhancementIs an improvement or enhancement

needs triageWaiting to be triaged by maintainersWaiting to be triaged by maintainers

optimizer

Status: Open.

Feature

#21491 In Lightning-AI/pytorch-lightning;

· smithblack-0 opened on Jan 16, 2026

forced CPU-GPU optimization at the end of every training step resulting in underutilization of GPU

Status: Open.

#21487 In Lightning-AI/pytorch-lightning;

· mojtababahrami opened on Jan 14, 2026

LightningModule -Inference in Research- phrasing issue

docsDocumentation relatedDocumentation related

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

Status: Open.

#21472 In Lightning-AI/pytorch-lightning;

· federicosiciliano opened on Jan 5, 2026

Trackio logger

featureIs an improvement or enhancementIs an improvement or enhancement

loggerRelated to the LoggersRelated to the Loggers

Status: Open.

#21466 In Lightning-AI/pytorch-lightning;

· edufschmidt opened on Jan 2, 2026

[Doc] https://lightning.ai/docs/pytorch/stable/ not showing the latest 2.6.0 doc

bugSomething isn't workingSomething isn't working

docsDocumentation relatedDocumentation related

Status: Open.

#21465 In Lightning-AI/pytorch-lightning;

· wingkitlee0 opened on Jan 1, 2026

Manual <code>Dataloader</code> reloading during training

featureIs an improvement or enhancementIs an improvement or enhancement

needs triageWaiting to be triaged by maintainersWaiting to be triaged by maintainers

Status: Open.

#21448 In Lightning-AI/pytorch-lightning;

· FilippoOlivo opened on Dec 23, 2025

Lightning sets shuffle=True for custom samplers when wrapping them for distributed sampling

bugSomething isn't workingSomething isn't working

distributedGeneric distributed-related topicGeneric distributed-related topic

ver: 2.5.x

Status: Open.

#21447 In Lightning-AI/pytorch-lightning;

· mojtababahrami opened on Dec 22, 2025

Fix broken examples exploration link in README (404 Error)

docsDocumentation relatedDocumentation related

Status: Open.

#21445 In Lightning-AI/pytorch-lightning;

· shokrydev opened on Dec 22, 2025