1.5.1 – May 15, 2025

Features

• Expose arrow streams
• Preserve metadata (roles) of getml dataframes when converting to pandas, arrow, parquet
• Support python 3.13

Developer-focused

• More efficient build chain
• Expose GETML_CMAKE_FRESH_PRESET
• Use uv for env mangement
• Introduce mise

Bug fixes

• Fix slow parquet writing (by using the exposed arrow stream instead of materializing batches as arrow tables on the engine side)
• Fix XGBoost deprecation warnings
• Support numpy>=2.0.0
• Fix parquet reader for parquet files containing custom metadata
• Fix set unit when setting time_stamp role directly in from_... factories

1.5.0 – Sep 24, 2024

Features

• Overhaul and better integration of API documentation and web page:
  • Switch from sphinx to mkdocs
  • Restructuring of User Guide, multiple amendments to documentation
• Introduce strict typing regiment for feature learning aggregations and loss functions
• Clean up and maintenance of example notebooks, make them executable in Colab
• More informative progress bar and status updates using rich
• Completely reworked IO
  • Leveraging PyArrow to improve reliability, speed and maintainability
• Introduce reflect-cpp for parsing and de/serialization
• Introduce overhauled getML Docker runtime available from Docker Hub, allowing for easy setup
  • See docker-related section of the new getML documentation for details

Developer-focused

• Complete rework of the build pipeline (docker and linux native)
  • Introduce CCache, conan, vcpkg
  • User multi-stage docker builds leveraging buildx and buildkit
  • Centralized VERSION
• Ruff for linting and formatting
• Hatch for python package management

Bug fixes

• Generalization of Placeholder.join's on argument
• Improved timestamp handling
• Slicing improvements
  • Slicing of DataFrames returned wrong results: Remove short circuit for slices with upper bound
  • Introduce set semantics for slicing of DataFrame (return empty collections instead of erroring)
• Fix displaying of parameter lists with values that exceed the presentable width
• Fix displaying of DataFrames with one row or less
• Fix progress bar output on Google Colab