# Apr 7, 2025 ## New Features * Added a **coupon registration feature**, allowing users to redeem coupons for extra credits or membership upgrades. ## **Changes** * Changed the **stack filter condition** from matching all selected stacks to matching any of them. ## Bug Fixes * Fixed the bug where some UI elements were not displayed correctly in dark/light theme. * Fixed a bug where notifications for container creation were being added incorrectly. --- # 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.arkain.io/whats-new/arkain-release-note/apr-7-2025.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.