# April 2026 2026-04-17 ### Mapping Update * **StablR USD** has been remapped from `usdir` to `usdr` * `usdr` is now mapped to **StablR USD** (previously Tangible's Real USD) * `usdir` has been deprecated and removed * All StablR USDR instruments across Kraken, BigONE, WhiteBIT, MEXC, CoinEx, Bitmart, Curve, Uniswap V3 and Uniswap V4 are now tracked under `usdr` 2026-04-29 ### Mapping Update * Instruments previously mapped to **Midnight Evergreen** have been updated to reflect the correct asset, **Midnight** * Instrument code `midnight` has been updated to `night` for applicable instruments following a mapping review * A number of instruments have been remapped from code `robor` to code `robof`, with the corresponding asset updated to **Fabric Protocol** --- # 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.kaiko.com/whats-new/2026/april-2026.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.