Changes in `2.5.5`

PyTorch Lightning

Changed

Include exclude_frozen_parameters to DeepSpeedStrategy (#21060)
Include PossibleUserWarning that is raised if modules are in eval mode when training starts (#21146)

Fixed

Fixed LightningCLI not using ckpt_path hyperparameters to instantiate classes (#21116)
Fixed callbacks by defer step/time-triggered ModelCheckpoint saves until validation metrics are available (#21106)
Fixed with adding a missing device id for pytorch 2.8 (#21105)
Fixed TQDMProgressBar not resetting correctly when using both a finite and iterable dataloader (#21147)
Fixed cleanup of temporary files from Tuner on crashes (#21162)

Lightning Fabric

Changed

Include exclude_frozen_parameters to DeepSpeedStrategy (#21060)
Let _get_default_process_group_backend_for_device support more hardware platforms (
#21057, #21093)

Fixed

Fixed with adding a missing device id for pytorch 2.8 (#21105)
Respecting verbose=False in seed_everything when no seed is provided (#21161)

Full commit list: 2.5.4 -> 2.5.5

Contributors

We thank all folks who submitted issues, features, fixes and doc changes. It's the only way we can collectively make Lightning ⚡ better for everyone, nice job!

In particular, we would like to thank the authors of the pull-requests above, in no particular order:

@Borda, @KAVYANSHTYAGI, @littlebullGit, @mauvilsa, @SkafteNicki, @taozhiwei

Thank you ❤️ and we hope you'll keep them coming!

lightning 2.5.5 Lightning v2.5.5 on Python PyPI

Changes in 2.5.5

PyTorch Lightning

Lightning Fabric

Contributors

lightning 2.5.5
Lightning v2.5.5

on Python PyPI

Changes in `2.5.5`