List view

Support AMD GPUs with the MPS backend

accelerator: mpsApple Silicon GPUApple Silicon GPU

help wantedOpen to be worked onOpen to be worked on

questionFurther information is requestedFurther information is requested

Status: Closed (completed).

#15861 In Lightning-AI/pytorch-lightning;

· by dbl001 was closed on Sep 1, 2025

Checkpoints and loggers saving to different directories

featureIs an improvement or enhancementIs an improvement or enhancement

help wantedOpen to be worked onOpen to be worked on

priority: 1Medium priority taskMedium priority task

Status: Closed (completed).

#9097 In Lightning-AI/pytorch-lightning;

· by mattwarkentin was closed on Sep 2, 2025

Remove 401 by use __all__

breaking changeIncludes a breaking changeIncludes a breaking change

good first issueGood for newcomersGood for newcomers

let's do it!approved to implementapproved to implement

refactor

Status: Closed (completed).

#11592 In Lightning-AI/pytorch-lightning;

· by chunyang-wen was closed on Jun 11, 2025

Integrate TorchTensorRt in order to increase speed during inference

3rd partyRelated to a 3rd-partyRelated to a 3rd-party

featureIs an improvement or enhancementIs an improvement or enhancement

performance

Status: Closed (completed).

#11438 In Lightning-AI/pytorch-lightning;

· by Actis92 was closed on Aug 15, 2025

Add version compatibility matrix

docsDocumentation relatedDocumentation related

help wantedOpen to be worked onOpen to be worked on

Status: Closed (completed).

#11717 In Lightning-AI/pytorch-lightning;

· by SkafteNicki was closed on Aug 7, 2025

instantiate_class should be recursive

featureIs an improvement or enhancementIs an improvement or enhancement

lightningclipl.cli.LightningCLIpl.cli.LightningCLI

Status: Closed (completed).

#13279 In Lightning-AI/pytorch-lightning;

· by aRI0U was closed on Feb 23, 2024

Support <code>str(datamodule)</code>

data handlingGeneric data-related topicGeneric data-related topic

featureIs an improvement or enhancementIs an improvement or enhancement

good first issueGood for newcomersGood for newcomers

Status: Closed (completed).

#9947 In Lightning-AI/pytorch-lightning;

· by carmocca was closed on Dec 11, 2024

🚀 Add FLOPs count to model summary

callback: model summary

featureIs an improvement or enhancementIs an improvement or enhancement

plGeneric label for PyTorch Lightning packageGeneric label for PyTorch Lightning package

Status: Closed (completed).

#12567 In Lightning-AI/pytorch-lightning;

· by pietrolesci was closed on Jun 2, 2025

https://pytorch-lightning.readthedocs.io/en/stable/advanced/multi_gpu.html does not say or hint at cluster config

distributedGeneric distributed-related topicGeneric distributed-related topic

docsDocumentation relatedDocumentation related

Status: Closed (completed).

#12143 In Lightning-AI/pytorch-lightning;

· by johngrabner was closed on Feb 28, 2024

Non-functioning gradient clipping repeatably leads to exploding gradients

featureIs an improvement or enhancementIs an improvement or enhancement

help wantedOpen to be worked onOpen to be worked on

loggingRelated to the `LoggerConnector` and `log()`Related to the `LoggerConnector` and `log()`

Status: Closed (completed).

#12595 In Lightning-AI/pytorch-lightning;

· by amorehead was closed on Mar 6, 2025

CheckpointConnector should support loading with <code>strict=False</code>

checkpointingRelated to checkpointingRelated to checkpointing

designIncludes a design discussionIncludes a design discussion

featureIs an improvement or enhancementIs an improvement or enhancement

help wantedOpen to be worked onOpen to be worked on

Status: Closed (completed).

#13246 In Lightning-AI/pytorch-lightning;

· by Ir1d was closed on Feb 6, 2024

Validation takes place every N time

featureIs an improvement or enhancementIs an improvement or enhancement

trainer: argument

trainer: fit

Status: Closed (completed).

#13324 In Lightning-AI/pytorch-lightning;

· by paantya was closed on Sep 4, 2025

Option to install only the <code>apps</code> part of the lightning framework

app (removed)Generic label for Lightning App packageGeneric label for Lightning App package

featureIs an improvement or enhancementIs an improvement or enhancement

good first issueGood for newcomersGood for newcomers

Status: Closed (completed).

#15245 In Lightning-AI/pytorch-lightning;

· by KogaiIrina was closed on Dec 7, 2023

Provide the ability to instantiate the model using the config file generated with LightningCLI

discussionIn a discussion stageIn a discussion stage

featureIs an improvement or enhancementIs an improvement or enhancement

lightningclipl.cli.LightningCLIpl.cli.LightningCLI

Status: Closed (completed).

#15427 In Lightning-AI/pytorch-lightning;

· by mouroutzoglou was closed on Feb 23, 2024

Replace <code>tmpdir</code> usage with <code>tmp_path</code> in our tests

good first issueGood for newcomersGood for newcomers

tests

Status: Closed (completed).

#16188 In Lightning-AI/pytorch-lightning;

· by carmocca was closed on Mar 17, 2024

Make <code>RichProgressBar</code> visible for both light and dark theme by default

featureIs an improvement or enhancementIs an improvement or enhancement

good first issueGood for newcomersGood for newcomers

progress bar: rich

Status: Closed (completed).

#17118 In Lightning-AI/pytorch-lightning;

· by tshu-w was closed on Sep 30, 2024

Support context manager when toggling optimizers

featureIs an improvement or enhancementIs an improvement or enhancement

help wantedOpen to be worked onOpen to be worked on

lightningmodulepl.LightningModulepl.LightningModule

optimization

Status: Closed (completed).

#17294 In Lightning-AI/pytorch-lightning;

· by kaparoo was closed on Jun 10, 2025

Refactor Fabric tests that use the old <code>.run()</code> method

fabriclightning.fabric.Fabriclightning.fabric.Fabric

help wantedOpen to be worked onOpen to be worked on

priority: 2Low priority taskLow priority task

refactor

tests

Status: Closed (completed).

#17479 In Lightning-AI/pytorch-lightning;

· by awaelchli was closed on Jan 30, 2024

Add <code>torch.compile</code> guide to docs

docsDocumentation relatedDocumentation related

fabriclightning.fabric.Fabriclightning.fabric.Fabric

performance

plGeneric label for PyTorch Lightning packageGeneric label for PyTorch Lightning package

torch.compile

Status: Closed (completed).

#18852 In Lightning-AI/pytorch-lightning;

· by carmocca was closed on Feb 28, 2024

Filter test names in <code>run_standalone_tests.sh</code> when checking for errors

featureIs an improvement or enhancementIs an improvement or enhancement

help wantedOpen to be worked onOpen to be worked on

tests

Status: Closed (completed).

#19039 In Lightning-AI/pytorch-lightning;

· by awaelchli was closed on Dec 21, 2023

Input validation for Trainer's <code>min_time</code> and <code>max_time</code> when passed as string

callback: timer

featureIs an improvement or enhancementIs an improvement or enhancement

help wantedOpen to be worked onOpen to be worked on

Status: Closed (completed).

#19454 In Lightning-AI/pytorch-lightning;

· by kylebgorman was closed on Feb 24, 2024

Support computing parameter count in ModelSummary for FSDP models

callback: model summary

featureIs an improvement or enhancementIs an improvement or enhancement

strategy: fsdpFully Sharded Data ParallelFully Sharded Data Parallel

Status: Closed (completed).

#20151 In Lightning-AI/pytorch-lightning;

· by awaelchli was closed on Aug 5, 2024

MPS AMP Support

accelerator: mpsApple Silicon GPUApple Silicon GPU

featureIs an improvement or enhancementIs an improvement or enhancement

precision: ampAutomatic Mixed PrecisionAutomatic Mixed Precision

priority: 1Medium priority taskMedium priority task

Status: Closed (completed).

#14358 In Lightning-AI/pytorch-lightning;

· by justusschock was closed on Sep 25, 2025

Get <code>num_nodes</code> automatically

duplicateThis issue or pull request already existsThis issue or pull request already exists

featureIs an improvement or enhancementIs an improvement or enhancement

strategy: ddpDistributedDataParallelDistributedDataParallel

Status: Not planned (skipped).

#20104 In Lightning-AI/pytorch-lightning;

· by BakerBunker was closed on Jul 19, 2024

Switch from click to google Fire

app (removed)Generic label for Lightning App packageGeneric label for Lightning App package

discussionIn a discussion stageIn a discussion stage

Status: Not planned (skipped).

#13931 In Lightning-AI/pytorch-lightning;

· by nicolai86 was closed on Jul 5, 2024