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Blog post for v1.2.1 and tags update
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‎website/blog/releases/v1.2.1.md‎

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---
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date: 2025-05-06
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title: 'Spice v1.2.1 (May 5, 2025)'
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type: blog
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authors: [sgrebnov]
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tags: [release,databricks,data-connector,m2m,parameterized queries]
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---
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Announcing the release of Spice v1.2.1! 🔥
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Spice v1.2.1 includes several data connector fixes and improves query performance for accelerated views. This release also introduces Databricks Service Principal (M2M OAuth) authentication and expands parameterized queries.
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## Highlights in v1.2.1
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- **Databricks Service Principal Support**: Databricks datasets and catalogs now support Machine-to-Machine (M2M) OAuth authentication via Service Principals, enabling secure machine connections to Databricks.
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Example `spicepod.yaml`:
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```yaml
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datasets:
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- from: databricks:spiceai.datasets.my_awesome_table # A reference to a table in the Databricks unity catalog
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name: my_delta_lake_table
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params:
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mode: delta_lake
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databricks_endpoint: dbc-a1b2345c-d6e7.cloud.databricks.com
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databricks_client_id: ${secrets:DATABRICKS_CLIENT_ID}
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databricks_client_secret: ${secrets:DATABRICKS_CLIENT_SECRET}
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```
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For details, see documentation for:
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- [Databricks Data Connector](https://spiceai.org/docs/components/data-connectors/databricks)
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- [Databricks Unity Catalog Connector](https://spiceai.org/docs/components/catalogs/databricks)
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- **Iceberg Data Connector**: Now supports cross-account table access via the AWS Glue Catalog Connector and fixes an issue when querying data from append mode datasets.
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- **Iceberg Catalog API**: Full compatibility with the Iceberg HTTP REST Catalog API to consume Spice datasets from Iceberg Catalog clients.
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For details, see documentation for:
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- [Iceberg Data Connector](https://spiceai.org/docs/components/data-connectors/iceberg)
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- [S3 Data Connector](https://spiceai.org/docs/components/data-connectors/s3)
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- **Improved Parameterized Query Support**: Expanded type inference for placeholders in:
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- `IN` list expressions
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- `LIKE` patterns
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- `SIMILAR TO` patterns
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- `LIMIT` clauses
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- Subqueries
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## New Contributors 🎉
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- [@nuvic](https://github.com/nuvic) made their first contribution in [#5673](https://github.com/spiceai/spiceai/pull/5673)
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## Contributors
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- [@peasee](https://github.com/peasee)
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- [@ewgenius](https://github.com/ewgenius)
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- [@karifabri](https://github.com/karifabri)
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- [@phillipleblanc](https://github.com/phillipleblanc)
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- [@kczimm](https://github.com/kczimm)
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- [@Jeadie](https://github.com/Jeadie)
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- [@sgrebnov](https://github.com/sgrebnov)
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- [@Sevenannn](https://github.com/Sevenannn)
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- [@nuvic](https://github.com/nuvic)
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## Breaking Changes
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No breaking changes.
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## Cookbook Updates
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New recipes for:
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- [Language Model Evaluations](https://github.com/spiceai/cookbook/tree/trunk/evals/README.md): Use Spice.ai OSS to evaluate language models.
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- [LLM as a Judge](https://github.com/spiceai/cookbook/tree/trunk/llm-judge/README.md): Use LLM judge models to evaluate the performance of other language models.
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The [Spice Cookbook](https://spiceai.org/cookbook) now includes 68 recipes to help you get started with Spice quickly and easily.
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## Upgrading
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To upgrade to v1.2.1, use one of the following methods:
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**CLI**:
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```console
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spice upgrade
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```
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**Homebrew**:
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```console
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brew upgrade spiceai/spiceai/spice
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```
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**Docker**:
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Pull the `spiceai/spiceai:1.2.1` image:
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```console
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docker pull spiceai/spiceai:1.2.1
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```
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For available tags, see [DockerHub](https://hub.docker.com/r/spiceai/spiceai/tags).
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**Helm**:
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```console
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helm repo update
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helm upgrade spiceai spiceai/spiceai
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```
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## What's Changed
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### Dependencies
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- No major dependency changes.
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### Changelog
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```text
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- Fix: Specify metric type as a dimension for testoperator by [@peasee](https://github.com/peasee) in [#5630](https://github.com/spiceai/spiceai/pull/5630)
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- Fix: Add option to run dispatch schedule by [@peasee](https://github.com/peasee) in [#5631](https://github.com/spiceai/spiceai/pull/5631)
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- Infer placeholder datatype for InList, Like, and SimilarTo by [@kczimm](https://github.com/kczimm) in [#5626](https://github.com/spiceai/spiceai/pull/5626)
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- Add QA analytics for 1.2.0 by [@phillipleblanc](https://github.com/phillipleblanc) in [#5640](https://github.com/spiceai/spiceai/pull/5640)
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- Fix: Use SPICED_COMMIT for spiced_commit_sha by [@peasee](https://github.com/peasee) in [#5632](https://github.com/spiceai/spiceai/pull/5632)
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- New crates/tools by [@Jeadie](https://github.com/Jeadie) in [#5121](https://github.com/spiceai/spiceai/pull/5121)
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- Update openapi.json by [@github-actions](https://github.com/github-actions) in [#5643](https://github.com/spiceai/spiceai/pull/5643)
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- Enable metrics reporting for models benchmarks (evals) by [@sgrebnov](https://github.com/sgrebnov) in [#5639](https://github.com/spiceai/spiceai/pull/5639)
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- Implement CatalogBuilder, add app and runtime references to catalog component, add runtime reference to connector params by [@ewgenius](https://github.com/ewgenius) in [#5641](https://github.com/spiceai/spiceai/pull/5641)
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- Fix eventing bug in LLM progress; Add tool and worker progress by [@Jeadie](https://github.com/Jeadie) in [#5619](https://github.com/spiceai/spiceai/pull/5619)
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- Handle small precision differences in TPCH answer validation by [@phillipleblanc](https://github.com/phillipleblanc) in [#5642](https://github.com/spiceai/spiceai/pull/5642)
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- Add TokenProviderRegistry to the runtime by [@ewgenius](https://github.com/ewgenius) in [#5651](https://github.com/spiceai/spiceai/pull/5651)
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- Provide ModelContextLayer for evals by [@Jeadie](https://github.com/Jeadie) in [#5648](https://github.com/spiceai/spiceai/pull/5648)
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- Databricks data_components refactor. Databricks Spark connect - add set_token method and writable spark session by [@ewgenius](https://github.com/ewgenius) in [#5654](https://github.com/spiceai/spiceai/pull/5654)
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- Extract AWS Glue warehouse for cross-account Iceberg tables by [@phillipleblanc](https://github.com/phillipleblanc) in [#5656](https://github.com/spiceai/spiceai/pull/5656)
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- Refactor Dataset component by [@phillipleblanc](https://github.com/phillipleblanc) in [#5660](https://github.com/spiceai/spiceai/pull/5660)
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- Fix Iceberg API returning 404 when schema contains a Dictionary by [@phillipleblanc](https://github.com/phillipleblanc) in [#5665](https://github.com/spiceai/spiceai/pull/5665)
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- Fix dependencies: downgrade swagger-ui to v8; force zip to 2.3.0 by [@kczimm](https://github.com/kczimm) in [#5664](https://github.com/spiceai/spiceai/pull/5664)
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- Add DuckDB indexes spicepod, additional dispatches by [@peasee](https://github.com/peasee) in [#5633](https://github.com/spiceai/spiceai/pull/5633)
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- Update readme: update data federation link by [@nuvic](https://github.com/nuvic) in [#5673](https://github.com/spiceai/spiceai/pull/5673)
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- Support metadata columns for object-store based data connectors by [@phillipleblanc](https://github.com/phillipleblanc) in [#5661](https://github.com/spiceai/spiceai/pull/5661)
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- Add model name to LLM judges, and add model_graded_scoring task by [@Jeadie](https://github.com/Jeadie) in [#5655](https://github.com/spiceai/spiceai/pull/5655)
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- Add SF1000 TPCH test spicepods for delta lake by [@Sevenannn](https://github.com/Sevenannn) in [#5606](https://github.com/spiceai/spiceai/pull/5606)
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- Validate Github Connector resource existence before building the github connector graphql table by [@Sevenannn](https://github.com/Sevenannn) in [#5674](https://github.com/spiceai/spiceai/pull/5674)
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- Remove hard-coded embedding performance tests in CI by [@Sevenannn](https://github.com/Sevenannn) in [#5675](https://github.com/spiceai/spiceai/pull/5675)
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- Databricks M2M auth for spark connect data connector by [@ewgenius](https://github.com/ewgenius) in [#5659](https://github.com/spiceai/spiceai/pull/5659)
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- Enable federated data refresh support for accelerated views by [@sgrebnov](https://github.com/sgrebnov) in [#5677](https://github.com/spiceai/spiceai/pull/5677)
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- Add pods watcher integration test by [@Sevenannn](https://github.com/Sevenannn) in [#5681](https://github.com/spiceai/spiceai/pull/5681)
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- Add m2m support for databricks delta connector by [@ewgenius](https://github.com/ewgenius) in [#5680](https://github.com/spiceai/spiceai/pull/5680)
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- Update end_game.md by [@sgrebnov](https://github.com/sgrebnov) in [#5684](https://github.com/spiceai/spiceai/pull/5684)
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- Update StaticTokenProvider to use SecretString instead of raw str value by [@ewgenius](https://github.com/ewgenius) in [#5686](https://github.com/spiceai/spiceai/pull/5686)
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- Add M2M Auth support for Databricks catalog connector by [@ewgenius](https://github.com/ewgenius) in [#5687](https://github.com/spiceai/spiceai/pull/5687)
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- Update UX to disable acceleration federation by [@sgrebnov](https://github.com/sgrebnov) in [#5682](https://github.com/spiceai/spiceai/pull/5682)
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- Improve placeholder inference (LIMIT & Expr::InSubquery) by [@phillipleblanc](https://github.com/phillipleblanc) in [#5692](https://github.com/spiceai/spiceai/pull/5692)
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- Tweak default log to ignore aws_config::imds::region by [@phillipleblanc](https://github.com/phillipleblanc) in [#5693](https://github.com/spiceai/spiceai/pull/5693)
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- Make Spice properly Iceberg Catalog API compatible for load table API by [@phillipleblanc](https://github.com/phillipleblanc) in [#5695](https://github.com/spiceai/spiceai/pull/5695)
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- Use deterministic queries for Databricks m2m catalog tests by [@ewgenius](https://github.com/ewgenius) in [#5696](https://github.com/spiceai/spiceai/pull/5696)
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- Support retrieving the latest Iceberg table on table scan by [@phillipleblanc](https://github.com/phillipleblanc) in [#5704](https://github.com/spiceai/spiceai/pull/5704)
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```
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**Full Changelog**: [v1.2.0...v1.2.1](https://github.com/spiceai/spiceai/compare/v1.2.0...v1.2.1)

‎website/blog/tags.yml‎

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@@ -134,6 +134,10 @@ llm-tools:
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label: 'llm-tool'
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permalink: '/llm-tools'
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description: 'Tools for working with large language models'
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m2m:
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label: 'm2m'
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permalink: '/m2m'
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description: 'Machine-to-Machine related topics and usage'
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machine-learning:
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label: 'machine-learning'
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permalink: '/machine-learning'

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