Snowflake Python APIs release notes for 2026¶

See Snowflake Python APIs: Managing Snowflake objects with Python for documentation.

Version 1.14.0 (Oct 22, 2026)¶

New features and updates¶

• Identifier improvements:
  • Added IdentifierString for string-compatible identifier values and Identifier for spelling-preserving, Snowflake-aware equality and hashing.
  • Added CanonicalName to distinguish an object identifier from the object’s name.
  • Added QualifiedIdentifier for immutable, Identifier-based qualified names with optional schema and database qualifiers.
  • Deprecated FQN in favor of QualifiedIdentifier. FQN will be removed in the next major release of snowflake.core.
• Dropped support for Python 3.10.
• Added the SNOWFLAKE_MIN_TLS_VERSION environment variable to raise the minimum TLS version of the connections snowflake.core opens to Snowflake. It accepts the same values as the Snowflake Connector for Python: 1.2, 1.3, TLSv1.2, or TLSv1.3, case-insensitively. Set this variable before creating Root objects. An unrecognized value raises SnowflakePythonError when a Root is created. Leaving the variable unset keeps the current behavior.
• Added the SNOWFLAKE_TLS_CIPHERS environment variable to restrict the ciphers of the connections snowflake.core opens to Snowflake. It takes a colon-separated list of OpenSSL cipher names. Names starting with TLS_ are TLS 1.3 cipher suites and require Python 3.15 or later. On earlier Python versions, those names raise SnowflakePythonError. Other names restrict TLS 1.2 only, and TLS_ names restrict TLS 1.3 only. A TLS version with no names in the list keeps OpenSSL’s default ciphers. The setting doesn’t apply to the connection to an HTTPS proxy. Set this variable before creating Root objects. A value without any cipher names raises SnowflakePythonError when a Root is created.
• Raised the minimum urllib3 version to 2.
• Raised the minimum certifi version to 2026.10.19.
• Deprecated snowflake.core.notebook. The package will be removed in the next major release of snowflake.core, and importing it emits a DeprecationWarning. Snowflake is disabling creation of new Legacy Notebooks, starting September 1, 2026. A later change, planned for November 2026, forbids editing and executing existing Legacy Notebooks as well. For the timeline, see Disable Legacy Notebook creations.

Bug fixes¶

• A DAGTask whose StoredProcedureCall passes imports=[] or packages=[] now gets no imports or packages, instead of the DAG’s defaults.

Version 1.13.2 (Sep 24, 2026)¶

New features and updates¶

• None.

Bug fixes¶

• simple_file_logging now creates its log file with owner-only permissions. It won’t write to a symlink or to a file owned by another user, and it raises PermissionError in those cases.
• Each Root now connects using the TLS, proxy, and connection pool settings of its own Configuration, rather than those of the first Configuration used in the process. Connections are still shared between configurations whose settings match. SSL_CERT_FILE and HTTPS_PROXY continue to take precedence over Configuration.

Version 1.13.1 (Aug 12, 2026)¶

New features and updates¶

• Code Bundle API:
  • Added typed BundleSpec and CodeBundleSpecification models for code bundles and code bundle executions.
  • Added iter() support for code bundle executions.
• Dynamic Table API:
  • Added initialization_warehouse, frozen_where, backfill_from, default_ddl_collation, log_level, row_timestamp, cluster_by_raw, and start_at fields to DynamicTable.
  • Added DataMetricSchedule, DataMetricCronSchedule, DataMetricMinutesSchedule, and DataMetricTriggerOnChangesSchedule models for data metric scheduling.
  • Extended refresh_mode with ADAPTIVE and CUSTOM_INCREMENTAL values.

Bug fixes¶

• None.

Version 1.13.0 (Aug 10, 2026)¶

New features and updates¶

• Task and DAG APIs:
  • Added condition parameter to DAG to support setting a WHEN condition on the root task.
  • Added the recursive argument to TaskResource.fetch_task_dependents.
  • Added support for defining task schedules and target completion intervals at a granularity of seconds, including intervals under a minute.
  • Added overlap_policy on Task and on the DAG root task.
  • Added success_integration and execute_as_user on Task and DAGTask.
• Code Bundle API:
  • Added support for managing code bundles through root.databases[<db>].schemas[<schema>].code_bundles (create, iterate, fetch, add a version, execute, and drop).
  • Added support for code bundle executions through root.code_bundle_execution (execute a code bundle from a stage location, and fetch the status of or cancel an execution).
  • Added the _SNOWFLAKE_SKIP_ASYNC_EXEC_POLLING environment variable. When set to true, a request submitted with asyncExec=true that receives a 202 Accepted response returns that accepted response (carrying the job id) immediately, instead of polling the execution to completion. Transient-error retries, for example, 429/503/504, are unaffected.

Bug fixes¶

• copy.copy, copy.deepcopy, and pickling of IntervalSchedule and TargetCompletionInterval now work; previously they would raise an exception.
• Security improvements - for more information, see CVE-2026-19594:
  • Improved validation of path parameters; values consisting solely of dot-segments (. or ..) now raise a clear ValueError.
  • Improved encoding of URL query parameters; resource names containing special characters, such as &, =, or #, are now percent-encoded correctly, preventing failures on rename, swap, and clone operations for resources whose names include such characters.
  • Fixed DagRun._repr_html_() to correctly escape special characters in property values.
  • Improved validation of single-quoted string literals used in stage paths; strings with unescaped embedded quotes are no longer incorrectly treated as valid.
  • Improved sanitization of stage path values; backslash sequences immediately preceding a single quote are now doubled.

Version 1.12.1 (Jun 10, 2026)¶

New features and updates¶

• None.

Bug fixes¶

• Proxy configuration through environment variables now honors both the uppercase HTTPS_PROXY and the lowercase https_proxy variable.
• The CA bundle used for TLS verification now honors the SSL_CERT_FILE environment variable (both uppercase SSL_CERT_FILE and lowercase ssl_cert_file), allowing connections through corporate proxies with a custom trust store.

Version 1.12.0 (Feb 12, 2026)¶

New features and updates¶

• Added support for setting (set_tags), unsetting (unset_tags), and fetching tag assignments (get_tags). Tagging support for specific resources is introduced in the following Snowflake server releases:
  • 10.3: Alert, database, database role, dynamic table, event table, image repository, network policy, notebook, password policy, pipe, procedure, role, schema, stream, table, task, user, user-defined function, view, warehouse.
  • 10.4: API integration, catalog integration, compute pool, function, iceberg table, notification integration, Streamlit.

Bug fixes¶

• None.

Version 1.11.0 (Jan 21, 2026)¶

New features and updates¶

• The DAGTask object type now accepts custom objects with a to_sql() method as task definitions.
• The UserDefinedFunction object type now supports executing scalar UDFs using the execute method.

Bug fixes¶

• Creating, fetching, and listing stored procedures that use a staged handler (where the body property is empty) no longer raises a ValidationError.
• Pydantic deprecation warnings related to class-based config and the update_forward_refs, parse_obj, and _iter methods no longer occur.