Snowflake Connector for Spark release notes for 2025

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

  • Behavior changes
  • New features
  • Customer-facing bug fixes

Snowflake uses semantic versioning for Snowflake Connector for Spark updates.

See Snowflake Connector for Spark for documentation.

Version 3.1.5 (September 23, 2025)

Bug fixes

  • Fixed an issue that prevented temporary AWS credentials from accessing the S3 bucket and directory used to exchange data between Spark and Snowflake.

Version 3.1.4 (August 20, 2025)

Bug fixes

  • Updated the S3 client to explicitly use BASIC authentication for proxy connections when a user and password are provided, preventing connection failures caused by unsupported authentication methods.

Improvements

  • Upgraded the suggested commons-lang version.

Version 3.1.3 (June 18, 2025)

New features

  • Added a force option when writing DataFrames to tables.

Version 3.1.2 (June 03, 2025)

New features

  • Upgraded JDBC to version 3.24.2 to incorporate a bug fix for the Java TrustManager.
  • Upgraded the parquet-avro library to mitigate security vulnerabilities.

Bug fixes

  • None.