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Weights & Biases 0.27.0

UpdateUnverifiedAdded Sep 24, 2026

Notable Changes This version drops support for Python 3.9 and Pydantic v1. Pydantic v2.6 or newer is now required. Added The stop_on_fatal_error setting to stop a run (using stop_fn ) after a fatal error that prevents it from uploading metrics ( @timoffex in #11774 ) New wandb.sandbox package and the wandb beta sandbox cli for using wandb sandbox (...

Topics: Observability, Developer tools

CoreWeave's release notes

More Weights & Biases releases

Every Weights & Biases release
DateRelease
Jun 4Weights & Biases 0.27.1unverified
Update
Apr 23Weights & Biases 0.26.1unverified
Update
Jun 6Weights & Biases 0.27.2unverified
Update
Apr 14Weights & Biases 0.26.0unverified
Update
Jun 23Weights & Biases 0.28.0unverified
Update
Jul 23Weights & Biases 0.28.1unverified
Update
Aug 12Weights & Biases 0.28.2unverified
Update
Aug 26Weights & Biases 0.29.0unverified
Update

Also shipped on May 14, 2026

CoreWeave in May 2026

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