Release Notes

See changes to the relationalai Python package, including the rai CLI, and the RelationalAI Native App in one timeline. Open a version to read its complete release note.

• All updates
• Python package and CLI
• Native App

Subscribe to all updates via RSS

October 2026

1. Oct 9, 2026Python package and CLI

   1.35.2

   Earlier deployment checks and predictive date and time checks.

2. Oct 8, 2026Python package and CLI

   1.35.1

   Corrected rule results, clearer shared-model source.

3. Oct 7, 2026Native App

   2026.10.4-c79bac1

   Fixes empty Snowflake table exports and makes predictive reasoner forecasts repeatable.

4. Oct 6, 2026Python package and CLI

   1.35.0

   Deploy multiple PyRel models in one Snowflake schema with custom object names.

5. Oct 1, 2026Python package and CLI

   1.34.0

   Standalone properties now deploy as their own Snowflake tables, plus model deployment reliability fixes.

September 2026

1. Sep 30, 2026Native App

   2026.9.26-0821a55

   Fixes a few bugs in incremental maintenance and predictive reasoners.

2. Sep 29, 2026Python package and CLI

   1.33.0

   Python 3.14 support, Snowflake masking and projection policies, and various bug fixes.

3. Sep 23, 2026Native App

   2026.9.19-cde4001

   Fixes a crash under heavy concurrent query load and prevents full recomputation when a model definition changes without source data changing under incremental maintenance (Public Preview).

4. Sep 22, 2026Python package and CLI

   1.32.0

   If you use prescriptive reasoning (Public Preview, by request), review optimization problems after upgrading because some formerly accepted constraints and objectives now error or change meaning.

5. Sep 16, 2026Native App

   2026.9.11-438c741-1

   Clear, actionable errors for write-write conflicts, plus improved prescriptive problem validation.

6. Sep 16, 2026Python package and CLI

   1.31.1

   Deploying a model to Snowflake now needs one less tag, plus a uniqueness-requirement deploy fix.

7. Sep 15, 2026Python package and CLI

   1.31.0

   New variance and variance_samp aggregates measure how spread out your data is.

8. Sep 15, 2026Python package and CLI

   1.30.4

   PyRel 1.30.4 fixes math.haversine() distances, so recompute prior results, and a select() containing only a function call on a literal can now return a null row instead of no rows.

9. Sep 10, 2026Python package and CLI

   1.30.3

   Adds new Snowflake sign-in options, a floats module, and faster refresh, plus aggregate and deployment fixes.

10. Sep 9, 2026Native App

    2026.9.6-b010153

    Adds clearer error messages for Snowflake-managed Iceberg table exports and functional dependency violations.

11. Sep 2, 2026Native App

    2026.8.31-3a37425

    Loads data faster and gives a clearer error when a solver parameter has the wrong type.

12. Sep 1, 2026Python package and CLI

    1.30.1

    Model deployment now validates generated SQL by default and supports scheduled prescriptive solves in Snowflake for users of the by-request prescriptive reasoning Public Preview who configure a Snowflake identity.

13. Sep 1, 2026Python package and CLI

    1.30.0

    Fixes grouped aggregates that collapsed to one row in a union, and a deploy blocked after Rel App activity.

August 2026

1. Aug 31, 2026Python package and CLI

   1.29.1

   Speeds up model deployment and fixes bugs.

2. Aug 28, 2026Python package and CLI

   1.29.0

   Prescriptive reasoning users must stop passing part= or where= to Problem.display() and pass only one argument to all_different() after upgrading.

3. Aug 26, 2026Native App

   2026.8.23-6e405e5

   Fixes correctness issues when using Snowflake-managed Iceberg tables.

4. Aug 25, 2026Python package and CLI

   1.28.0

   In the model deployment Public Preview, op log recording now turns on by default when you deploy, so rai models branch, pull, and merge work without extra setup.

5. Aug 18, 2026Python package and CLI

   1.27.1

   Speeds up undirected-graph queries and deployments; now requires DuckDB 1.5.0 or newer.

6. Aug 18, 2026Python package and CLI

   1.27.0

   Deployments now create SQL views for eligible direct sources, and common.hash() values have changed: check stored hashes before upgrading and plan to recompute those that must stay stable.

7. Aug 17, 2026Native App

   2026.8.17-c5208f8

   Creating a data stream on a Snowflake-managed Iceberg table now fails immediately because CDC streams cannot process those sources, so use a supported source instead.

8. Aug 14, 2026Native App

   2026.8.9-8d1935f-6

   Fixes an issue where expired OAuth tokens could cause reasoner operations to fail without retrying.

9. Aug 13, 2026Python package and CLI

   1.26.2

   Adds account usage reports, faster model builds for deployment, and fixes several bugs.

10. Aug 12, 2026Native App

    2026.8.9-8d1935f

    Speeds deployed-model refreshes and fixes query errors when you enable incremental maintenance (Public Preview, off by default).

11. Aug 5, 2026Python package and CLI

    1.26.1

    Improves rai models CLI commands and fixes several bugs.

12. Aug 3, 2026Python package and CLI

    1.26.0

    PyRel 1.26.0 makes model.deploy() run a full, tracked deployment from Python and notebooks, plus many Snowflake deploy and query fixes.

13. Aug 3, 2026Native App

    2026.8.3-49c7820

    Adds PAT authentication support for prescriptive reasoners and fixes several data stream issues.

July 2026

1. Jul 29, 2026Python package and CLI

   1.25.0

   Adds model.teardown() and fixes several bugs.

2. Jul 29, 2026Native App

   2026.7.27-74739c9

   Fixes query export and data stream bugs.

3. Jul 24, 2026Python package and CLI

   1.24.0

   PyRel 1.24.0 fixes several Snowflake deploy and query correctness bugs and warns about unrecognized raiconfig.yaml keys.

4. Jul 22, 2026Python package and CLI

   1.23.1

   PyRel 1.23.1 adds a default refresh schedule to deployed models and fixes several bugs.

5. Jul 22, 2026Python package and CLI

   1.23.0

   PyRel 1.23.0 corrects Snowflake deployments of models with entity identity keys, and adds an option to preserve column-name case.

6. Jul 22, 2026Native App

   2026.7.21-f60cc22-1

   Upgrading the Native App fixes a remote code execution vulnerability in predictive reasoners and restores a required query permission on older installations.

7. Jul 20, 2026Python package and CLI

   1.22.0

   PyRel 1.22.0 adds a home-level ~/.rai/raiconfig.yaml file so you can share connections across projects, and improves deploy diagnostics and query performance.

8. Jul 18, 2026Python package and CLI

   1.21.4

   PyRel 1.21.4 fixes duplicated rows in some deployed models and speeds up refreshes for models with declared primary keys.

9. Jul 16, 2026Python package and CLI

   1.21.3

   PyRel 1.21.3 improves refresh performance for deployed models.

10. Jul 16, 2026Python package and CLI

    1.21.2

    PyRel 1.21.2 improves error messages and fixes several bugs with model deployment.

11. Jul 15, 2026Python package and CLI

    1.21.1

    In the model deployment Public Preview, manual mode (auto_deploy=False) starts queries faster but can return stale results, so use it only in development.

12. Jul 13, 2026Python package and CLI

    1.21.0

    PyRel 1.21.0 introduces a new public preview feature called deploy mode that lets you deploy a PyRel model to a Snowflake schema as SQL tables and views.

13. Jul 13, 2026Native App

    2026.7.13-470c23f

    Version 2026.7.13-470c23f improves write-conflict errors and engine startup timeout handling.

14. Jul 9, 2026Python package and CLI

    1.20.1

    PyRel 1.20.1 makes deployed Cortex tools start returning results faster and fixes queries that returned NULL for Snowflake columns with mixed-case or special-character names.

15. Jul 8, 2026Native App

    2026.7.3-57280fc

    Custom automation must stop calling the removed app.finalize_upgrade() procedure because upgrades finalize automatically, and app activation now checks for incompatible Snowflake account settings.

16. Jul 8, 2026Python package and CLI

    1.20.0

    PyRel 1.20.0 adds a prefix field to DeploymentConfig so multiple Cortex agents can share one Snowflake schema, and improves the error message for unsupported operators in prescriptive problem expressions.

17. Jul 6, 2026Python package and CLI

    1.19.4

    PyRel 1.19.4 makes predictive dataset diagrams easier to render and save and removes a dependency incompatible with Python 3.13.

18. Jul 2, 2026Python package and CLI

    1.19.3

    PyRel 1.19.3 restores Snowflake table export via .into(Table(...)) and fixes an Unused variable declared error in expressions using the | operator.

19. Jul 1, 2026Native App

    2026.6.29-a85c9fc

    Fixes data stream interruptions from transient CDC service suspensions and a jupyter-server XSS vulnerability in predictive reasoners' notebook server conversion handlers.

20. Jul 1, 2026Python package and CLI

    1.19.2

    PyRel 1.19.2 improves reasoner name validation.

21. Jul 1, 2026Python package and CLI

    1.19.1

    PyRel 1.19.1 fixes queries against quoted and case-sensitive Snowflake table names.

22. Jul 1, 2026Python package and CLI

    1.19.0

    PyRel 1.19.0 fixes queries that read multiple fields from the same Property.

June 2026

1. Jun 30, 2026Python package and CLI

   1.18.0

   PyRel 1.18.0 adds diagnosis reports to the rai doctor CLI command and fixes several bugs.

2. Jun 25, 2026Python package and CLI

   1.17.0

   PyRel 1.17.0 adds relationship keyword arguments, supports per(...).product(...), and fixes several bugs.

3. Jun 24, 2026Native App

   2026.6.22-cd93f88

4. Jun 23, 2026Python package and CLI

   1.16.0

   PyRel 1.16.0 adds OplogConfig so you can opt in to recording model oplogs during deploys.

5. Jun 17, 2026Python package and CLI

   1.15.0

   PyRel 1.15.0 adds relationalai.semantics.alias() so you can give any value an output alias, including Python literals.

6. Jun 17, 2026Native App

   2026.6.14-4f4ec3d

   Version 2026.6.14-4f4ec3d of the RAI Native App adds a transaction_attributes column to api.transactions for filtering transactions by query attributes.

7. Jun 16, 2026Python package and CLI

   1.14.0

   PyRel 1.14.0 sends background job guidance to stderr instead of stdout, keeping script output cleaner.

8. Jun 15, 2026Python package and CLI

   1.13.0

   PyRel 1.13.0 adds SQL backend regex support, clearer rai doctor:report summaries, earlier Direct Access authenticator warnings, and correct DeploymentConfig.role handling.

9. Jun 10, 2026Python package and CLI

   1.12.0

   PyRel 1.12.0 adds query support for aggregates.product() and expands diagnostics in rai doctor:report.

10. Jun 9, 2026Python package and CLI

    1.11.0

    PyRel 1.11.0 now stops at the first model compilation error.

11. Jun 9, 2026Python package and CLI

    1.10.0

    PyRel 1.10.0 adds support for stddev_samp() in queries, improves rai doctor:report diagnostics, and fixes query, import, and Snowflake deployment issues.

12. Jun 8, 2026Native App

    2026.6.7-1a518f4-1

    Adds experimental observability_preview metrics views for predictive and prescriptive reasoners.

13. Jun 4, 2026Python package and CLI

    1.9.0

    Concept.filter_by() and Ref.filter_by() still work in PyRel 1.9.0 but now emit deprecation warnings, so switch to .lookup() when updating your code.

14. Jun 3, 2026Native App

    2026.6.1-38f8bad-1

May 2026

1. May 28, 2026Python package and CLI

   1.8.1

   The off-by-default LogicReasonerConfig.readonly_queries option can improve performance when you run multiple queries against the same model.

2. May 27, 2026Native App

   2026.5.24-a67d5bb

3. May 27, 2026Python package and CLI

   1.8.0

   PyRel 1.8.0 now includes the packages needed for GNN workflows, runs independent Snowflake exports concurrently, and uses a stable load order for predictive GNN edge tables.

4. May 22, 2026Python package and CLI

   1.7.1

   PyRel 1.7.1 is available with bug fixes.

5. May 22, 2026Python package and CLI

   1.7.0

   PyRel 1.7.0 adds Snowflake oauth_client_credentials authentication and a new rai reasoners sizes CLI command.

6. May 20, 2026Native App

   2026.5.17-26db430-1

   Version 2026.5.17-26db430-1 of the RAI Native App includes minor improvements to performance and stability.

7. May 20, 2026Python package and CLI

   1.6.0

   PyRel 1.6.0 adds new rai clean CLI commands for cache and debugger cleanup.

8. May 19, 2026Python package and CLI

   1.5.0

   PyRel 1.5.0 adds a new rai doctor CLI command group for diagnostics, supports additional Snowflake connection settings in config, and includes several bug fixes.

9. May 15, 2026Python package and CLI

   1.4.2

   PyRel 1.4.2 improves rai config use profile selection and fixes cleanup when model.keep is set to False.

10. May 15, 2026Python package and CLI

    1.4.1

    PyRel 1.4.1 adds predictive reasoning APIs and includes several bug fixes.

11. May 13, 2026Native App

    2026.5.11-57723fa

12. May 13, 2026Python package and CLI

    1.3.1

    PyRel 1.3.1 includes a bug fix for identity field handling in Concept.new().

13. May 13, 2026Python package and CLI

    1.3.0

    PyRel 1.3.0 adds new rai diagnose, rai whoami, and rai version CLI commands for troubleshooting and environment checks, plus enhanced prescriptive problem display options.

14. May 7, 2026Python package and CLI

    1.2.2

    PyRel 1.2.2 adds more consistent CLI JSON and YAML output, new wait controls for long-running workflows, and Cortex agent deployment diagnostics.

15. May 6, 2026Python package and CLI

    1.2.1

    PyRel 1.2.1 adds several new CLI commands and features for managing configuration profiles.

16. May 5, 2026Native App

    2026.5.4-535f669-3

    Version 2026.5.4-535f669-3 of the RAI Native App includes minor improvements to performance and stability.

17. May 5, 2026Python package and CLI

    1.2.0

    PyRel 1.2.0 adds easier CLI navigation, directed graph support in Graph.cosine_similarity(), and fixes several bugs.

April 2026

1. Apr 30, 2026Python package and CLI

   1.1.1

   PyRel version 1.1.1 makes pagination clearer in the rai jobs:list and rai reasoners:list CLI commands, and adds upgrade notices to all CLI commands when your installed relationalai version is out of date.

2. Apr 29, 2026Native App

   2026.4.27-2ba1778

   Version 2026.4.27-2ba1778 of the RAI Native App includes minor improvements to performance and stability.

3. Apr 29, 2026Python package and CLI

   1.1.0

   PyRel version 1.1.0 adds directed graph support for Graph.jaccard_similarity() and fixes a bug in the CLI.

4. Apr 28, 2026Python package and CLI

   1.0.19

   PyRel 1.0.19 removes the currently unsupported std.re APIs and speeds up Graph.is_acyclic() on many large graphs.

5. Apr 27, 2026Python package and CLI

   1.0.18

   PyRel 1.0.18 adds support for passing an existing Snowpark session to create_config() and fixes several bugs.

6. Apr 24, 2026Python package and CLI

   1.0.17

   PyRel 1.0.17 rejects Relationship, Property, Concept, and Table as property or relationship names on concepts, so rename those attributes before upgrading.

7. Apr 23, 2026Python package and CLI

   1.0.16

   PyRel 1.0.16 speeds up repeated Graph API calls, improves data security, and fixes several property and concept inheritance issues.

8. Apr 22, 2026Native App

   2026.4.19-001506c-3

   Version 2026.4.19-001506c-3 of the RAI Native App includes minor improvements to performance and stability.

9. Apr 21, 2026Python package and CLI

   1.0.15

   PyRel 1.0.15 adds the RAI_ACTIVE_PROFILE env var, reduces Model.Table() schema fetch overhead, and fixes several configuration, debugger, and Model.data() issues.

10. Apr 16, 2026Python package and CLI

    1.0.14

    PyRel 1.0.14 improves the experience using PyRel in notebooks, expands CLI and reasoner configuration options, and fixes several query and data-handling bugs.

11. Apr 15, 2026Native App

    2026.4.13-d558733

12. Apr 8, 2026Native App

    2026.4.6-dde787d

13. Apr 8, 2026Python package and CLI

    1.0.13

    With multiple prescriptive solutions, query the returned ProblemVariable instead of deprecated Problem.variable_values(), and stop calling Problem.load_point() with nonzero indices.

14. Apr 3, 2026Native App

    2026.3.29-58b69bc-1

    Version 2026.3.29-58b69bc-1 is a hotfix release that fixes an issue with SPCS deployment.

15. Apr 1, 2026Native App

    2026.3.29-58b69bc

    Version 2026.3.29-58b69bc of the RAI Native App includes minor improvements to performance and stability.

16. Apr 1, 2026Python package and CLI

    1.0.12

    PyRel 1.0.12 adds support for configuring source tables and export targets in raiconfig.yaml and a new type parameter for Model.Table() to specify Snowflake table types.

March 2026

1. Mar 31, 2026Python package and CLI

   1.0.11

   PyRel 1.0.11 clarifies the warning shown for unsupported direct_access: true configurations in v1.

2. Mar 30, 2026Python package and CLI

   1.0.10

   PyRel 1.0.10 makes DSL objects easier to inspect and fixes .in_() filters in select() so they no longer mutate model state.

3. Mar 28, 2026Python package and CLI

   1.0.9

   PyRel 1.0.9 adds explicit config-file loading, restores Snowflake OAuth authorization-code sign-in for Direct Access, and includes graph support and behavior updates.

4. Mar 25, 2026Python package and CLI

   1.0.8

   PyRel version 1.0.8 fixes exports to destination tables that do not exist yet and improves error messages for cross-model usage and relationship field access.

5. Mar 24, 2026Native App

   2026.3.23-7c6ad4c-1

6. Mar 21, 2026Python package and CLI

   1.0.7

   PyRel 1.0.7 moves auto_suspend_mins to rai reasoners:alter and await_storage_vacuum to rai reasoners:create instead of raiconfig.yaml.

7. Mar 19, 2026Python package and CLI

   1.0.6

   Version 1.0.6 fixes require() and isclose(), improves reserved-name errors, and deprecates use_direct_access in favor of direct_access.

8. Mar 18, 2026Native App

   2026.3.16-75ea12b-1

   Version 2026.3.16-75ea12b-1 of the RAI Native App no longer supports creating data streams outside the standard app-managed workflow.

9. Mar 17, 2026Python package and CLI

   1.0.5

   Version 1.0.5 adds explicit schema support for in-memory data and fixes several configuration and execution issues.

10. Mar 12, 2026Python package and CLI

    1.0.4

    Version 1.0.4 adds a new CLI config inspection command and fixes several bugs.

11. Mar 11, 2026Native App

    2026.3.9-4685f01-1

    Version 2026.3.9-4685f01-1 of the RAI Native App adds support for configuring multiple warm reasoners and introduces new SQL APIs for managing jobs.

12. Mar 11, 2026Python package and CLI

    1.0.3

    PyRel 1.0.3 adds prescriptive reasoning (Public Preview, by request) and caps DataConfig.data_freshness_mins at three weeks, warning when it clamps larger values.

13. Mar 4, 2026Native App

    2026.3.2-62ce088

14. Mar 4, 2026Python package and CLI

    1.0.2

    PyRel 1.0.2 deprecates raiconfig.toml in favor of raiconfig.yaml, and Snowflake stored procedures that relied on implicit config loading must now pass an explicit Config.

15. Mar 4, 2026Python package and CLI

    1.0.1

    Version 1.0.1 of the Python SDK is a patch release with bug fixes and reliability improvements.

16. Mar 2, 2026Python package and CLI

    1.0.0

    PyRel 1.0.0 changes model syntax and CLI commands, so treat upgrading as a migration and test existing workflows before switching.

February 2026

1. Feb 25, 2026Native App

   2026.2.23-91bdaf5-1

2. Feb 18, 2026Native App

   2026.2.17-f9af1b6

3. Feb 11, 2026Native App

   2026.2.8-e6a1f8a

   The WARM_PROVISION column in api.engines and api.get_engine() now shows whether a logic reasoner used warm capacity.

4. Feb 4, 2026Native App

   2026.2.2-51ae489

January 2026

1. Jan 28, 2026Native App

   2026.1.26-ba18c9d-2

   Version 2026.1.26-ba18c9d-2 of the RAI Native App introduces a new stored procedure to show information about warm engines.

2. Jan 21, 2026Native App

   2026.1.17-e94e8cc-6

3. Jan 14, 2026Native App

   2026.1.11-d4d9cef

4. Jan 7, 2026Native App

   2026.1.4-301050f

   This release replaced set_warm_engines with enable_warm_engine and disable_warm_engine to manage warm logic capacity, which incurs ongoing compute costs.