releasing `2.5.4` [rebase & merge] #21126

Borda · 2025-08-28T20:16:31Z

What does this PR do?

regular patch release...

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📚 Documentation preview 📚: https://pytorch-lightning--21126.org.readthedocs.build/en/21126/

(cherry picked from commit f6a9151)

(cherry picked from commit 08292b1)

[create-pull-request] automated change Co-authored-by: Borda <[email protected]> Co-authored-by: Jirka Borovec <[email protected]> (cherry picked from commit 5a2b678)

…ware platforms (#21057) * support more hardware platforms and no longer hard code cuda when call _get_default_process_group_backend_for_device * Apply suggestions from code review --------- Signed-off-by: taozhiwei <[email protected]> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Nicki Skafte Detlefsen <[email protected]> Co-authored-by: Jirka Borovec <[email protected]> (cherry picked from commit 119a640)

…ack (#21068) * fix(tuner/lr_finder): apply LR suggestion after checkpoint restore when used as callback Previously, LearningRateFinder applied the suggested LR before restoring the checkpoint, so the optimizer LR was reverted by the restore step. This caused the callback to print “Learning rate set to …” without persisting the change. Change: - Move LR application to after checkpoint restore and update both the LM attr and active optimizer param groups so the LR persists for training. Tests: - Add unit test [test_lr_finder_callback_applies_lr_after_restore] to assert the optimizer LR matches the LR Finder suggestion after the search completes. * changelog * Apply suggestions from code review --------- Co-authored-by: Nicki Skafte Detlefsen <[email protected]> Co-authored-by: Jirka Borovec <[email protected]> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> (cherry picked from commit 3ed9d4e)

(cherry picked from commit 8d1a734)

(cherry picked from commit 8d88f31)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5. - [Release notes](https://github.com/actions/checkout/releases) - [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md) - [Commits](actions/checkout@v4...v5) --- updated-dependencies: - dependency-name: actions/checkout dependency-version: '5' dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> (cherry picked from commit 5751f8c)

…1089) Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.10.3 to 7.10.4. - [Release notes](https://github.com/nedbat/coveragepy/releases) - [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst) - [Commits](nedbat/coveragepy@7.10.3...7.10.4) --- updated-dependencies: - dependency-name: coverage dependency-version: 7.10.4 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> (cherry picked from commit 3ec489e)

…<3.11.0 in /requirements (#21083) build(deps): update matplotlib requirement in /requirements Updates the requirements on [matplotlib](https://github.com/matplotlib/matplotlib) to permit the latest version. - [Release notes](https://github.com/matplotlib/matplotlib/releases) - [Commits](matplotlib/matplotlib@v3.1.1...v3.10.5) --- updated-dependencies: - dependency-name: matplotlib dependency-version: 3.10.5 dependency-type: direct:production ... Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> (cherry picked from commit 8ff2607)

…5.0 in /requirements (#21082) build(deps): update ipython[notebook] requirement in /requirements Updates the requirements on [ipython[notebook]](https://github.com/ipython/ipython) to permit the latest version. - [Release notes](https://github.com/ipython/ipython/releases) - [Commits](ipython/ipython@rel-0.8.4...9.4.0) --- updated-dependencies: - dependency-name: ipython[notebook] dependency-version: 9.4.0 dependency-type: direct:production ... Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> (cherry picked from commit 737c1c6)

…>=1.12.0,<1.23.0 in /requirements (#21090) build(deps): update onnxruntime requirement in /requirements Updates the requirements on [onnxruntime](https://github.com/microsoft/onnxruntime) to permit the latest version. - [Release notes](https://github.com/microsoft/onnxruntime/releases) - [Changelog](https://github.com/microsoft/onnxruntime/blob/main/docs/ReleaseManagement.md) - [Commits](microsoft/onnxruntime@v1.12.0...v1.22.1) --- updated-dependencies: - dependency-name: onnxruntime dependency-version: 1.22.1 dependency-type: direct:production ... Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> (cherry picked from commit e21ee0e)

* build(deps): bump torch from 2.7.1 to 2.8.0 in /requirements Bumps [torch](https://github.com/pytorch/pytorch) from 2.7.1 to 2.8.0. - [Release notes](https://github.com/pytorch/pytorch/releases) - [Changelog](https://github.com/pytorch/pytorch/blob/main/RELEASE.md) - [Commits](pytorch/pytorch@v2.7.1...v2.8.0) --- updated-dependencies: - dependency-name: torch dependency-version: 2.8.0 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <[email protected]> * Apply suggestions from code review --------- Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Jirka Borovec <[email protected]> (cherry picked from commit 345c841)

…0.22.1,<1.8.0 in /requirements (#21084) build(deps): update scikit-learn requirement in /requirements Updates the requirements on [scikit-learn](https://github.com/scikit-learn/scikit-learn) to permit the latest version. - [Release notes](https://github.com/scikit-learn/scikit-learn/releases) - [Commits](scikit-learn/scikit-learn@0.22.2...1.7.1) --- updated-dependencies: - dependency-name: scikit-learn dependency-version: 1.7.1 dependency-type: direct:production ... Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> (cherry picked from commit 5ac872e)

…1057 (#21092) * debug failing tests for Fabric with `ddp_fork` on PT 2.8 * Revert "let `_get_default_process_group_backend_for_device` support more hardware platforms (#21057)" This reverts commit 119a640. --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> (cherry picked from commit 9ca360b)

* build(deps): bump click from 8.1.8 to 8.2.1 in /requirements Bumps [click](https://github.com/pallets/click) from 8.1.8 to 8.2.1. - [Release notes](https://github.com/pallets/click/releases) - [Changelog](https://github.com/pallets/click/blob/main/CHANGES.rst) - [Commits](pallets/click@8.1.8...8.2.1) --- updated-dependencies: - dependency-name: click dependency-version: 8.2.1 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <[email protected]> * Apply suggestions from code review --------- Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Jirka Borovec <[email protected]> (cherry picked from commit 48fa086)

… mutation (#21079) * Fix: AsyncCheckpointIO snapshots tensors to avoid race with parameter mutation Summary - Root cause: Background thread serialized live tensor references; the training thread mutated tensors after scheduling the async save, leading to mixed-step checkpoints. - Fix: Snapshot all tensors on the main thread before submitting the async save using `apply_to_collection(..., torch.Tensor, lambda t: t.detach().clone())`. Implementation - Reproduce the issue in unit test - Clone all tensors in the checkpoint payload on the caller thread to take a point-in-time snapshot. - Supports both positional and keyword `checkpoint` parameters. - Preserves non-tensor values; handles nested containers. - Continues to surface background exceptions on teardown. * chlog --------- Co-authored-by: Jirka B <[email protected]> (cherry picked from commit 2c74bee)

(cherry picked from commit 8ff43d4)

* try `deepspeed >=0.14.1,<=0.15.0` * drop from oldest * pip uninstall -y deepspeed * error::DeprecationWarning (cherry picked from commit ad54bc1)

…nce (#20952) * Make asyncio checkpointing work if validate/fit is called more than once. * Apply suggestions from code review * Add assertion to ensure executor is initialized before saving checkpoint * update --------- Co-authored-by: Jirka Borovec <[email protected]> Co-authored-by: Jirka B <[email protected]> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: bhimrazy <[email protected]> (cherry picked from commit ff64a92)

…#21103) (cherry picked from commit 571310f)

(cherry picked from commit da88f5a)

…strategy` (#21100) * fix mis-alignment column while using rich model summary in DeepSpeed strategy. * test: add minimum gpu requirement in `test_deepspeed_summary_with_rich_model_summary` * chlog --------- Co-authored-by: Jirka B <[email protected]> Co-authored-by: Nicki Skafte Detlefsen <[email protected]> (cherry picked from commit 2460746)

* ci: pin also test requirements for minimal setup * onnx >1.12.0 * numpy >1.20.0 * onnxscript >= 0.1.0 * tensorboard >=2.11 * tensorboardX >=2.6 --------- Co-authored-by: Copilot <[email protected]> (cherry picked from commit a08b64e)

#21108) * fix sanity check breaking on len=0 val dataloader * add testing * changelog (cherry picked from commit 7e9cea4)

docs: fix log_metrics step description (#20677) Co-authored-by: Alexander Zhipa <[email protected]> (cherry picked from commit b581924)

….2.2,<0.5.0 in /requirements (#21113) build(deps): update onnxscript requirement in /requirements Updates the requirements on [onnxscript](https://github.com/microsoft/onnxscript) to permit the latest version. - [Release notes](https://github.com/microsoft/onnxscript/releases) - [Commits](microsoft/onnxscript@v0.2.2...v0.4.0) --- updated-dependencies: - dependency-name: onnxscript dependency-version: 0.4.0 dependency-type: direct:production ... Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> (cherry picked from commit fdcfe0f)

…1115) Bumps [coverage](https://github.com/nedbat/coveragepy) from 7.10.4 to 7.10.5. - [Release notes](https://github.com/nedbat/coveragepy/releases) - [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst) - [Commits](nedbat/coveragepy@7.10.4...7.10.5) --- updated-dependencies: - dependency-name: coverage dependency-version: 7.10.5 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> (cherry picked from commit c10aeb8)

…=0.18.1,<5.0.0 in /requirements (#21114) build(deps): update myst-parser requirement in /requirements Updates the requirements on [myst-parser](https://github.com/executablebooks/MyST-Parser) to permit the latest version. - [Release notes](https://github.com/executablebooks/MyST-Parser/releases) - [Changelog](https://github.com/executablebooks/MyST-Parser/blob/master/CHANGELOG.md) - [Commits](executablebooks/MyST-Parser@v0.18.1...v4.0.1) --- updated-dependencies: - dependency-name: myst-parser dependency-version: 4.0.1 dependency-type: direct:production ... Signed-off-by: dependabot[bot] <[email protected]> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> (cherry picked from commit 91ec79f)

(cherry picked from commit 9e4d469)

* Update versioning governance document per discussion in #21073 * Update docs/source-pytorch/versioning.rst simplify language --------- Co-authored-by: Copilot <[email protected]> Co-authored-by: Jirka Borovec <[email protected]> (cherry picked from commit a8f26e8)

* add h200 support to throughput * add testing * changelog --------- Co-authored-by: Jirka Borovec <[email protected]> (cherry picked from commit e55650d)

github-actions · 2025-08-28T20:16:58Z

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codecov · 2025-08-28T20:24:30Z

Codecov Report

❌ Patch coverage is 96.15385% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 87%. Comparing base (947f939) to head (fae5ca7).
⚠️ Report is 33 commits behind head on release/stable.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@               Coverage Diff               @@
##           release/stable   #21126   +/-   ##
===============================================
- Coverage              87%      87%   -0%     
===============================================
  Files                 268      268           
  Lines               23344    23363   +19     
===============================================
+ Hits                20338    20353   +15     
- Misses               3006     3010    +4

Borda and others added 30 commits August 28, 2025 22:10

update use of CUDA images (#21062)

21b2926

(cherry picked from commit f6a9151)

Clarification of docs on schedulers (#21061)

ad366e8

(cherry picked from commit 08292b1)

Adding test for legacy checkpoint created with 2.5.3 (#21066)

1d9449d

[create-pull-request] automated change Co-authored-by: Borda <[email protected]> Co-authored-by: Jirka Borovec <[email protected]> (cherry picked from commit 5a2b678)

add GPU tests with minimal req. to be required (#21075)

79beae9

(cherry picked from commit 8d1a734)

Couple of Trainer.fit typos (#21080)

f47d409

(cherry picked from commit 8d88f31)

switch to lightning_utilities.cli requirements set-oldest (#21077)

e7b4945

(cherry picked from commit 8ff43d4)

bump: try deepspeed >=0.14.1,<=0.15.0 (#21076)

5ac8273

* try `deepspeed >=0.14.1,<=0.15.0` * drop from oldest * pip uninstall -y deepspeed * error::DeprecationWarning (cherry picked from commit ad54bc1)

docs: add note on TorchMetrics integration for logging best practices (…

601a3ff

…#21103) (cherry picked from commit 571310f)

Fix: TorchMetrics documentation source link (#21104)

088e1a5

(cherry picked from commit da88f5a)

Fix rich progress bar crashing on empty val dataloader sanity checking (

c110661

#21108) * fix sanity check breaking on len=0 val dataloader * add testing * changelog (cherry picked from commit 7e9cea4)

docs: fix log_metrics step description (#21109)

d640c89

docs: fix log_metrics step description (#20677) Co-authored-by: Alexander Zhipa <[email protected]> (cherry picked from commit b581924)

docs: replace broken link to Torch 2.x (#21121)

ec253dc

(cherry picked from commit 9e4d469)

speediedan and others added 2 commits August 28, 2025 22:14

Update throughput table to include H200 stats (#21119)

faaa3f5

* add h200 support to throughput * add testing * changelog --------- Co-authored-by: Jirka Borovec <[email protected]> (cherry picked from commit e55650d)

Borda requested review from lantiga, tchaton, justusschock and ethanwharris as code owners August 28, 2025 20:16

github-actions bot added docs Documentation related ci Continuous Integration release fabric lightning.fabric.Fabric pl Generic label for PyTorch Lightning package dependencies Pull requests that update a dependency file dockers package labels Aug 28, 2025

Borda changed the title ~~releasing 2.5.4 [wip]~~ releasing 2.5.4 [rebase & merge] Aug 29, 2025

releasing 2.5.4

fae5ca7

Borda force-pushed the releasing/2.5.4 branch from 0f03143 to fae5ca7 Compare August 29, 2025 08:16

lantiga approved these changes Aug 29, 2025

View reviewed changes

lantiga merged commit 58b89ed into release/stable Aug 29, 2025
153 checks passed

lantiga deleted the releasing/2.5.4 branch August 29, 2025 10:07

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releasing `2.5.4` [rebase & merge] #21126

releasing `2.5.4` [rebase & merge] #21126

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Borda commented Aug 28, 2025 •

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releasing 2.5.4 [rebase & merge] #21126

releasing 2.5.4 [rebase & merge] #21126

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⚡ Required checks status: All passing 🟢

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releasing `2.5.4` [rebase & merge] #21126

releasing `2.5.4` [rebase & merge] #21126

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