> For the complete documentation index, see [llms.txt](https://docs.coherent.global/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.coherent.global/whats-new/release-history/2026-02.md).

# 2026-02

| UAT release       | Production release |
| ----------------- | ------------------ |
| February 23, 2026 | March 9, 2026      |

New month, new release. This edition covers the latest Coherent Assistant, Spark Shell, and Neuron updates, plus a step forward in Spark API documentation.

## Notable enhancements

#### 🖱️ Documentation

* We now have [OpenAPI specifications](https://spec.openapis.org/oas/v3.1.1.html) for many of the Spark APIs available in our [documentation](https://docs.coherent.global/spark-apis/spark-openapi-specification) site. OpenAPI is a standard method of documenting APIs to make them more easily consumable through external integrations.
* The Spark [documentation](https://docs.coherent.global/spark-apis/spark-openapi-specification) site also renders the specifications in a user-friendly interface with the ability to test endpoints online.

#### 👥 Coherent Assistant

* Spark Shell: Fix an error relating to login session timeout.
* Spark Shell: Import inputs of source data where fields are not present in target file.
* Spark Shell: Improved handling for Shell 2.0 Xcall formulas failed to execute.
* Spark Shell: New configuration to block submissions that fail Excel formula based validation.
* Spark Shell: Publish service folder list will show favorite folders first
* Spark Shell: Operators and Creators have logout and refresh Xcall buttons.

#### 💡 Neuron compiler enhancements

* Implementation of the `LONGTEXT()` and `SCAN()` functions.
* Fixes for `LAMBDA()` functions.
* Fixes for Excel Data Table calculations.
* Fixes for `Xrichoutput` being inconsistent with prior versions.
* Function enhancements and fixes: `IFS()`, `ISREF()`, `MAP(INDEX())`, `MMULT()`, `SEQUENCE()`, `SUM(IF())`, `TEXT()`.
* Performance enhancements and bug fixes.

#### 🖥️ System improvements

* Security patch updates to address vulnerabilities, ensuring enhanced protection and stability of our systems.

## Version number

`v8.47.0`