PHP PDO Driver for Snowflake release notes for 2026

This article contains the release notes for the PHP PDO Driver for Snowflake, including the following when applicable:

  • Behavior changes

  • New features

  • Customer-facing bug fixes

Snowflake uses semantic versioning for PHP PDO Driver for Snowflake updates.

See PHP PDO Driver for Snowflake for documentation.

Version 3.5.0 (Feb 03, 2026)

New features and updates

  • Added support for Red Hat Enterprise Linux (RHEL) 9.

  • Deprecated CentOS 7 builds. Rocky 8/RHEL8 is now the minimum system version.

  • Added a warning for HTTP usage in OAuth authentication flows.

  • Set LOCAL_APPLICATION as a default for the client_id and client_secret for the OAuth Authorization code flow.

  • Updated Curl to 8.16.0.

  • Removed the workload identity federation (WIF) auto-detection mechanism.

  • Added auto-detection of the application path and included it in the CLIENT_ENVIRONMENT variable.

  • Updated OpenSSL to 3.0.18

Bug fixes

  • Fixed the expired file lock on Linux for the Secure Storage.

  • Removed the username requirement for the WIF authentication.

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