# Revision History The version history for DesignStudio Array product documentation: | Version | Date | Description of Change | | ------- | ---------------- | ------------------------------------------------------------------------------------------------------------------- | | 1.0.0 | 2016 | Initial release. | | 1.1.2 | Jul 25, 2019 | Node-sass issue fix and header security updates. | | 1.2.0 | May 6, 2022 | Manifest Checker. | | 2.0.0 | Apr 4, 2023 | dbSNP updates, Ex-24/48 enablement in background. | | 2.0.1 | May 26, 2023 | dbSNP UI Upates. | | 2.0.2 | Jan 3, 2024 | Hotfix to incorporate platform security protocol changes and update UI version numbers. | | 2.1.0 | Feb 20, 2024 | Replication feature, error-code improvements. | | 2.2.0 | May 27, 2024 | Regex updates, multi-allelic UI enhancements, EX-24/48 support, DSS validation integration, and UI version updates. | | 2.2.1 | Aug 21, 2024 | Enable add-on for Excalibur, Summary page improvements. | | 2.2.2 | Sep 23, 2024 | Make Ex-24/48 visible | | 3.0.0 | December 3, 2025 | Methylation enablement. | | 3.1.0 | March 2026 | Arrays Finder tool (commercial base content overlap search). | --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://help.connected.illumina.com/design-studio-array/reference/revision-history.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.