# Major Updates - [Changes in Version 1.19.0 (10/2024)](https://docs.decisionrules.io/doc/product-updates/major-updates/changes-in-version-1.19.0-10-2024.md): The version 1.19.0 of DecisionRules brings ground-breaking new features and improvements. This page features a summary of the main changes, which may be of importance mainly to current users. - [Changes in Version 1.20.0 (4/2025)](https://docs.decisionrules.io/doc/product-updates/major-updates/changes-in-version-1.20.0-4-2025.md): Version 1.20.0 of DecisionRules introduces a refreshed, more intuitive layout along with key usability upgrades. This page provides an overview of what’s new—especially relevant for existing users. - [Changes in Version 1.21.2 (09/2025)](https://docs.decisionrules.io/doc/product-updates/major-updates/changes-in-version-1.21.2-09-2025.md): A broad application redesign that brings a smoother, more consistent user experience across the platform, and new validations, enhanced security and more, to ensure safer and more reliable usage. --- # 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://docs.decisionrules.io/doc/product-updates/major-updates.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.