v0.8.4

This is the release notes of v0.8.4. See here for the complete list of solved issues and merged PRs.

New Features

• Tensor
  • Implements mars.tensor.setdiff1d (#2829)
• Learn
  • Added support for mars.learn.metrics.roc_auc_score (#2841)
• Others
  • Use versioneer to manage release versions (#2807)
  • Use cibuildwheel to release wheels (#2854)

Enhancements

• Support generating a DOT file for subtask graph (#2818)
• Enhance subtask details in logs (#2842)
• Configure cores of XGBoost jobs (#2847)
• Improved performance of mars.learn.metrics.{roc_curve, roc_auc_score} (#2850)
• Fix store duplicate chunk and meta per subtask (#2851)
• Bump minimist and nanoid in Mars UI due to security alerts (#2851)

Bug fixes

• Fix race condition of set_subtask_result (#2819)
• Fix duplicate subtask submit (#2819)
• Fixes the failure on Vineyard CI by ensure the input tensor chunk is a numpy's ndarray (#2819)
• Fix default value of gpu property for some operands (#2820)
• Fix running xgboost on Ray cluster (#2830)
• Change StorageHandlerActor to stateful (#2830)
• Fix FileSystem.ls for OSS (#2842)
• Stop fetching data when pure dependencies specified (#2843)

Tests

• [Ray] Refine ray tests (#2810)
• Build docker images cronically (#2807)