Modin 0.5.3 release notes

This release includes several fixes to regressions and documentation. We also have preliminary support for an autoscaling cluster (#661). Performance groupby + sum, count, and other dimension reducing operations was increased by up to 10x from the previous implementation (#659).

Bugfixes + Pandas Concordance (🐛 + 🐼)

• Fix usecols when the string name of the column is provided (#652)
• Fixes full axis reduce functions with empty row and/or column partitions (#663)
• Fix memory_usage() for transposed dataframes (#662)
• Default to pandas when trying to get tuple from Series (#689)
• Fix dtypes on empty dataframes calls to to_pandas (#688)

New Functionality ✨

• Initial ray autoscaler support (#661) 🎉

Backend enhancements + Performance 🚀

• Improve performance of Groupby (#659) 🎉
• Fix internal indices calculation for non-compute partitions (#691)

Documentation 📑

• Update documentation for DataFrame methods (#643)
• Update Documentation structure (#665, #666, #667, #668)
• Update utilities documentation for pandas on ray (#669)

Testing 📈

• Remove extraneous teardown module for parquet (#648)

Regressions ↩️

• Fix binary operations after transpose (#676)
• Fix issue with sort_values after transpose (#679)
• Fix concat when QueryCompiler is transposed (#681)
• Fix concat with all Series and axis=1 (#684)
• Fix how we compute the block_widths/lengths after single update (#693)

Contributors this release

The following users contributed code to Modin since the last release.

@williamma12 (Committer)
@devin-petersohn (Admin)

🎉🎉 Thank you! 🎉🎉