3.14.0

• v3.14.0(March 03, 2025)
  • Bumped pyOpenSSL dependency upper boundary from <25.0.0 to <26.0.0.
  • Added a <19.0.0 pin to pyarrow as a workaround to a bug affecting Azure Batch.
  • Optimized distribution package lookup to speed up import.
  • Fixed a bug where privatelink OCSP Cache url could not be determined if privatelink account name was specified in uppercase.
  • Added support for iceberg tables to write_pandas.
  • Fixed base64 encoded private key tests.
  • Fixed a bug where file permission check happened on Windows.
  • Added support for File types.
  • Added unsafe_file_write connection parameter that restores the previous behaviour of saving files downloaded with GET with 644 permissions.

3.13.2

• v3.13.2(January 29, 2025)
  • Changed not to use scoped temporary objects.

3.13.1

• v3.13.1(January 29, 2025)
  • Remedied SQL injection vulnerability in snowflake.connector.pandas_tools.write_pandas. See more GHSA-2vpq-fh52-j3wv
  • Remedied vulnerability in deserialization of the OCSP response cache. See more: GHSA-m4f6-vcj4-w5mx
  • Remedied vulnerability connected to cache files permissions. See more: GHSA-r2x6-cjg7-8r43

3.13.0

• v3.13.0(January 23,2025)
  • Added a feature to limit the sizes of IO-bound ThreadPoolExecutors during PUT and GET commands.
  • Updated README.md to include instructions on how to verify package signatures using cosign.
  • Updated the log level for cursor's chunk rowcount from INFO to DEBUG.
  • Added a feature to verify if the connection is still good enough to send queries over.
  • Added support for base64-encoded DER private key strings in the private_key authentication type.

3.12.4

• v3.12.4(December 3,2024)
  • Fixed a bug where multipart uploads to Azure would be missing their MD5 hashes.
  • Fixed a bug where OpenTelemetry header injection would sometimes cause Exceptions to be thrown.
  • Fixed a bug where OCSP checks would throw TypeError and make mainly GCP blob storage unreachable.
  • Bumped pyOpenSSL dependency from >=16.2.0,<25.0.0 to >=22.0.0,<25.0.0.

3.12.3

• v3.12.3(October 25,2024)
  • Improved the error message for SSL-related issues to provide clearer guidance when an SSL error occurs.
  • Improved error message for SQL execution cancellations caused by timeout.

3.12.2

• v3.12.2(September 11,2024)
  • Improved error handling for asynchronous queries, providing more detailed and informative error messages when an async query fails.
  • Improved inference of top-level domains for accounts specifying a region in China, now defaulting to snowflakecomputing.cn.
  • Improved implementation of the snowflake.connector.util_text.random_string to reduce the likelihood of collisions.
  • Updated the log level for OCSP fail-open warning messages from ERROR to WARNING.

3.12.1

• v3.12.1(August 20,2024)
  • Fixed a bug that logged the session token when renewing a session.
  • Fixed a bug where disabling client telemetry did not work.
  • Fixed a bug where passing login_timeout as a string raised a TypeError during the login retry step.
  • Use pathlib instead of os for default config file location resolution.
  • Removed upper cryptogaphy version pin.
  • Removed reference to script snowflake-export-certs (its backing module was already removed long ago)
  • Enhanced retry mechanism for handling transient network failures during query result polling when no server response is received.

3.12.0

• v3.12.0(July 24,2024)
  • Set default connection timeout of 10 seconds and socket read timeout of 10 minutes for HTTP calls in file transfer.
  • Optimized to_pandas() performance by fully parallel downloading logic.
  • Fixed a bug that specifying client_session_keep_alive_heartbeat_frequency in snowflake-sqlalchemy could crash the connector.
  • Fixed incorrect type hint of connection parameter private_key.
  • Added support for connectivity to multiple domains.
  • Bumped keyring dependency from >=23.1.0,<25.0.0 to >=23.1.0,<26.0.0.
  • Disabled OOB Telemetry.

3.11.0

• v3.11.0(June 17,2024)

  • Added support for token_file_path connection parameter to read an OAuth token from a file when connecting to Snowflake.
  • Added support for debug_arrow_chunk connection parameter to allow debugging raw arrow data in case of arrow data parsing failure.
  • Added support for disable_saml_url_check connection parameter to disable SAML URL check in OKTA authentication.
  • Fixed a bug that OCSP certificate signed using SHA384 algorithm cannot be verified.
  • Fixed a bug that status code shown as uploaded when PUT command failed with 400 error.
  • Fixed a bug that a PermissionError was raised when the current user does not have the right permission on parent directory of config file path.
  • Fixed a bug that OCSP GET url is not encoded correctly when it contains a slash.
  • Fixed a bug that an SSO URL didn't accept : in a query parameter, for instance, https://sso.abc.com/idp/startSSO.ping?PartnerSpId=https://xyz.snowflakecomputing.com/.