> ## Documentation Index
> Fetch the complete documentation index at: https://docs.trychannel3.com/llms.txt
> Use this file to discover all available pages before exploring further.

# v3.3.0 — May 2026

> Variants, structured attributes, color filters, and new locales

* Added `variants` to [`GET /v1/products/{product_id}`](/api-reference/v1/product-detail) and [`POST /v1/lookup`](/api-reference/v1/lookup-product) responses — includes `options` (e.g. Color, Size) with availability per value, and `selected` for current selections
* Added `structured_attributes` to [`GET /v1/products/{product_id}`](/api-reference/v1/product-detail) and [`POST /v1/lookup`](/api-reference/v1/lookup-product) responses — extracted product attributes keyed by handle (e.g. `color`, `material`)
* Added `attributes` filter to [`POST /v1/search`](/api-reference/v1/search) — filter by attribute key/value pairs (e.g. `{"color": ["blue", "red"]}`)
* Added `colors` filter to [`POST /v1/search`](/api-reference/v1/search) — filter products by color palette using hex values **(Beta)**
* Added `age` filter to [`POST /v1/search`](/api-reference/v1/search) — filter by age group (`newborn`, `infant`, `toddler`, `kids`, `adult`)
* Added support for Greece (`GR`) and Romania (`RO`) locales, `RON` currency, and `el`/`ro` languages
* Updated `Category.attributes` description to clarify usability as keys in search filters