# 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.

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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.