# v0.21.0: Delimiter with Multi-select, New Column UI, Imported Data on Frontend Introducing brand new features to streamline your data import journey ### ✨ New Features * **New Column UI:** With introduction of latest column UI, it will be easy for developers to add and update columns. * **Delimiter Specification in Multi Select:** Now we can define the delimiter in multi-select column. Current available options are `,` and `;`. * **Unique Column Keys:** Now it will be required to provide unique key in column. ### ➕ Improvements * **Streamlined colors:** of import widget. ### 🔧 Bug Fixes * **Fix Inactive Events Handlers:** Fixed event were not reporting on SDK. * **Fix Stretching Columns:** Fixes columns getting shrinked in review step. * **Fix Upload Again Twice Clicks:** During mapping step, upload again has to click twice to reset import. **Stay Connected and Share Your Thoughts** We’re constantly improving how to deliver the best CSV Excel Import Experience for your product, and we value your input. Your feedback is crucial in guiding our development efforts and making Impler better. Feel free to send a message to and join our [Discord](https://discord.impler.io). --- # 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/july-2024/v0.21.0-delimiter-with-multi-select-new-column-ui-imported-data-on-frontend.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.