v0.7.0a5

This is the release notes of v0.7.0a5. See here for the complete list of solved issues and merged PRs.

New Features

• DataFrame
  • Implements DataFrame.{eval,query} (#1898)
  • Implements {DataFrame, Series}.duplicated() (#1907)
  • Implements is_monotonic properties (#1939)
  • Implements {DataFrame,Series}.set_axis (#1950)

Project Galois

• [oscar] Add actor driver & structure adjustment (#1925)
• [oscar][ray backend] Actor creation (#1916, thanks @fyrestone!)
• Add new serializer implementation (#1937)
• Implement storage lib of Arrow plasma as well as disk (#1904)

Enhancements

• Allow set verify_ssl to False for kubernetes configuration (#1911)
• Optimize generating mock DataFrames (#1913)
• Move opcodes out of protobuf definition (#1944)

Bug fixes

• To vineyard: avoid copy when chunks are already in vineyard (vineyard is the backend). (#1899)
• Fix rechunk when input tileable has unknown shape (#1912)
• Fix KeyError when comparing series (#1920)
• Fix rechunk when chunks have different dtypes that cannot compare (#1922)
• Collect available ports before running LightGBM task (#1927)
• Fix KeyError when column pruning is applied (#1929)
• Fix shuffling data in mars.learn module (#1931)
• Fix memory estimation of StartTracker for XGBoost (#1934)
• Fix accuracy_score for distributed execution (#1945)

Tests

• Add tests and releases for Python 3.9 (#1954)