9.0.1

This patch releases resolves a build issue when VW is built against fmtlib version 8 or newer as well as a few bugs.

• fix: use different syntax for opening namespace for custom formatters
• build: use correct platform suffix for Python native shared library
• fix: dftovw address post PR feedback
• ci: run twine check in ci
• fix: Remove content from image directives in README.rst
• build: fixing run_tests.py with custom paths
• fix: add long_description_content_type
• fix: fix compile issues when consuming fmt 8.1.1

9.0.0

Vowpal Wabbit 9 is the first major release in over 6 years! There are a number of usability improvements, new reductions, bug fixes and internal improvements here. The Python package has undergone a bit of a modernization with a more understandable module structure, naming and types. Most changes should be non breaking for standard use cases. See here for the Python migration guide.

Click here to read the full release notes.

8.11.0

This release includes python API improvements, --cubic ::: and --interactions [:]* speedup, deprecations, logging line limiting, bug fixes and more

Click here to read the full release notes.

8.10.2

This patch release contains a fix for model loading in --cb_explore

Fixes

• fix: Fix model corruption on reading model for --cb_explore (#3063)

8.10.1

This release includes no code changes but fixes the Python source distribution, and adds support for Python 3.9 binary wheels on MacOS and Windows.

Since this only affects Python, only the PyPi release channel will be updated.

All changes:

• ci: run CI on release branches (#2942)
• ci: update brew to mitigate bintray brownout (#2941)
• chore: update version to 8.10.1
• build: add 3.9 to windows python build (#2939)
• Fix python manifest for ext_libs (#2938)
• build: Update build_python_wheels_macos.yml (#2937)

8.10.0

This release includes quadratic interaction speed improvements, ARM support, logging updates and more.

Click here to read the full release notes.

8.9.2

This patch release contains a fix for Neural Network reduction (--nn).

Fixes

• [nn] fix double free (#2802)

8.9.1

This patch release contains a fix for the Java bindings. It changes no other code paths apart from the version number changing.

Fixes

• Don't export lib symbols from vw_jni binary when static linking (#2789)

8.9.0

This release includes major features such as continuous actions, square CB, probabilistic label tree, slates, CB distributionally robust optimization, CB ADF RND, Python wheels and many bug fixes.

Click here to read the full release notes.

8.8.1

This patch release fixes an issue in the Python bindings where parsing examples from text sometimes caused crashes.

Fixes:

• Fix delete behavior for examples created using parse function (#2206)