Lightning-AI/torchmetrics v1.9.0

Release v1.9.0

Repository: Lightning-AI/torchmetrics

Tag: v1.9.0

Published: 2026-03-09T17:40:37Z

Prerelease: no

Release notes:

[1.9.0] - 2026-03-06

Changed

• Defaulting Dice score average="macro" (#3042)
• Dropped Python 3.9 support, set 3.10 as minimum (#3330)
• Replaced pkg_resources with packaging (#3329)

Fixed

• Fixed device mismatch in Metric base class (#3316)
• Fixed n-d slicing deprecation warning (#3319)
• Fixed tensor copy warning in logAUC (#3295)
• Fixed memory issues when computing retrieval metrics with high-valued indices (#3291)
• Fixed race condition in _safe_divide by creating tensor directly on device (#3284)

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Key Contributors

@adaliaramon, @bhimrazy, @GdoongMathew, @Isalia20, @KyleMylonakisProtopia, @VijayVignesh1

New Contributors

• @PussyCat0700 made their first contribution in https://github.com/Lightning-AI/torchmetrics/pull/3182
• @iamkulbhushansingh made their first contribution in https://github.com/Lightning-AI/torchmetrics/pull/3196
• @adosar made their first contribution in https://github.com/Lightning-AI/torchmetrics/pull/3282
• @bhimrazy made their first contribution in https://github.com/Lightning-AI/torchmetrics/pull/3306
• @VijayVignesh1 made their first contribution in https://github.com/Lightning-AI/torchmetrics/pull/3295
• @KyleMylonakisProtopia made their first contribution in https://github.com/Lightning-AI/torchmetrics/pull/3319
• @GdoongMathew made their first contribution in https://github.com/Lightning-AI/torchmetrics/pull/3316
• @adaliaramon made their first contribution in https://github.com/Lightning-AI/torchmetrics/pull/3291

_If we forgot someone due to not matching commit email with GitHub account, let us know :]_

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Full Changelog: https://github.com/Lightning-AI/torchmetrics/compare/v1.8.0...v1.9.0