Snowflake Connector for Python release notes for 2026

This article contains the release notes for the Snowflake Connector for Python, including the following when applicable:

  • Behavior changes

  • New features

  • Customer-facing bug fixes

Snowflake uses semantic versioning for Snowflake Connector for Python updates.

See Snowflake Connector for Python for documentation.

Version 4.2.0 (Jan 07, 2026)

New features and updates

  • Added the SnowflakeCursor.stats property to expose granular DML statistics (rows inserted, deleted, updated, and duplicates) for operations like CTAS where rowcount is insufficient.

  • Added support for injecting Snowpark Container Services (SPCS) service identifier tokens (SPCS_TOKEN) into login requests when present in SPCS containers.

  • Introduced a shared library for extended telemetry to identify and prepare testing platforms for native Rust extensions.

Bug fixes

  • None.

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