The original title is: "HTTP QUERY is here: what changes for frontend data fetching?"

Short summary

RFC 10008 standardizes HTTP QUERY, a new safe and idempotent method that supports a request body, combining GET's caching benefits with POST's ability to carry complex payloads. It solves the long-standing problem of encoding rich JSON queries in URLs or misusing POST for read-only fetches. Browser and framework support is still rolling out as of mid-2026, so adoption should be gradual.

• •HTTP QUERY is safe, idempotent, and supports a request body — ideal for complex read-only fetches
• •CDNs and browsers can cache QUERY responses like GET, improving performance
• •Adoption is early; fetch(), frameworks, and intermediaries still need updates

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