# v0.25.0: Advanced Validations, Add Column Improvements and 88% Smaller SDKs In this release of Impler v0.25.0, we're happy to release the most awaited and used feature in Impler. ### ✨ Latest Features * [**Advanced Validations**](https://docs.impler.io/validations/advanced), Validate user data strictly with advanced validation methods like `range`, `length`, and `unique fields combinations`. * **Show Updated Cells Count**, which showed updated cell counts in the find and replace modal. ### ➕ Enhancements * [**Angular SDK with observables**](https://docs.impler.io/importer/angular-embed#listening-for-events), Extended SDK to listen to various events happening on the importer. * **Sort Columns by Sequence and Freeze**: Sort columns shown in import details in the manner of sequence and freeze. ### 🔧 Bug Fixes * **Multiselect Value Response:** Fixed multi-select value response not getting as array. * **Revalidation Issues:** Some edge cases while revalidating the data. * [**Data Seeding**](https://docs.impler.io/features/data-seeding): Data was not getting populated in the generated Excel file. *** If you have any questions, suggestions, or comments. Feel free to reach out to us over [**Discord**](https://discord.impler.io). We’re constantly improving to deliver the best Data Importer for your product, and we value your input. --- # 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://changelog.impler.io/september-2024/v0.25.0-advanced-validations-add-column-improvements-and-88-smaller-sdks.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.