v0.4.0b2

This is the release notes of v0.4.0b2. See here for the complete list of solved issues and merged PRs.

New Features

• DataFrame
  • Support calling df.agg() with lists or dicts for transform (#1093)
  • Implements at and iat for DataFrame (#1101)
  • Implements Series.isin (for Series type). (#1058)

Enhancements

• Optimize performance of executor when running ops less than number of parallelism (#1096)

Bug fixes

• Fix validate_axis when input tileable has unknown shape (#1091)
• Support creating DataFrame from dict in which scalar exists (#1098)
• Support slice that can be integer or other types on non-int64 index (#1103)

Tests

• Check metadata consistency for output chunks and tileables (#1071)